JP3900190B2 - Recording and / or reproducing apparatus using a tape cassette - Google Patents

Description

  The present invention relates to a recording and / or reproducing apparatus using a tape cassette as a recording medium.

  2. Description of the Related Art Conventionally, a tape recorder using a tape cassette that stores a recording medium for information signals in the form of a tape such as a magnetic tape has been widely used. In this tape recorder, a cassette holder in which a tape cassette is inserted and held is rotatably arranged in a recorder body provided with a recording / reproducing unit for recording / reproducing information signals to / from a magnetic tape stored in a tape cassette. ing. Then, the tape cassette is inserted and held in the cassette holder, and the cassette holder is rotated to the recording / reproducing unit disposed on the recorder body side, whereby the cassette mounted on the upper surface side of the recording / reproducing unit is mounted. It is attached to the part.

  The cassette mounting portion includes a pair of reel drive shafts that are relatively engaged with a pair of tape reels wound with a magnetic tape that is rotatably housed in a tape cassette, and a capstan shaft that allows the magnetic tape to run at a constant speed. And a tape feed mechanism comprising a pinch roller, and a magnetic head for recording and reproducing information signals such as musical tone signals with respect to the magnetic tape running at a constant speed by the tape feed mechanism.

  In this tape recorder, when a tape cassette is loaded in the cassette loading section of the recording / reproducing section, the reel drive shaft is engaged with the tape reel on the tape cassette side, the tape reel is rotated, and the capstan shaft is pinched. The information is recorded and reproduced by the roller being pressed and the magnetic tape stored in the tape cassette running at a constant speed, and the magnetic head slidingly contacting the magnetic tape.

  And in the tape recorder, what was miniaturized to the magnitude | size substantially equal to the external shape of the tape cassette with which a cassette mounting part is mounted | worn is provided.

  In this type of tape recorder used in the past, the cassette holder for mounting the tape cassette in the cassette mounting portion is configured so that one of the long sides facing each other is inserted as an insertion end. Has been. That is, the tape cassette is inserted into and removed from the cassette holder with its longitudinal direction as the insertion end in the horizontal direction.

  This is because the tape cassette is formed with an opening on the side surface along one side of the long sides facing each other so that a part of the magnetic tape faces outward, and this opening is made to face the magnetic head. This is because the recording / reproducing unit of the tape recorder is configured such that the magnetic head is advanced and retracted with respect to the opening.

  In the tape recorder in which the tape cassette is inserted / removed sideways with respect to the cassette holder, the tape cassette is inserted / removed into / from the cassette holder by gripping a pair of opposing short sides. Further, since the tape cassette is inserted sideways into the cassette holder, the amount of insertion / removal with respect to the cassette holder is reduced. From such a situation, it may be difficult to hold the tape cassette and insert / remove the cassette holder, and it may be difficult to securely attach the cassette to the cassette mounting portion.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the problems caused by inserting / removing a tape cassette having a rectangular planar shape into a recording / reproducing apparatus such as a tape recorder with a longitudinal direction as an insertion end. Another object of the present invention is to provide a novel recording and / or reproducing apparatus that makes it possible to easily insert and remove a tape cassette.

  Another object of the present invention is to provide a recording and / or reproducing apparatus that enables a tape cassette to be securely mounted at a mounting position in the apparatus main body.

  Furthermore, an object of the present invention is to protect the head by making the head for recording and / or reproducing the information signal close to and away from the tape cassette in relation to the insertion / removal operation of the tape cassette. It is to provide a recording and / or reproducing apparatus.

  Furthermore, an object of the present invention is to prevent the tape cassette from being inserted / removed accidentally during the recording and / or reproducing operation of the information signal, and to record and / or reproduce the tape cassette and the recording and / or reproducing apparatus. It is an object of the present invention to provide a recording and / or reproducing apparatus capable of reliably protecting a head and other mechanisms constituting the means.

  Still further, an object of the present invention is to move the head after the tape cassette is mounted on the cassette mounting portion or after the cassette mounting portion is separated, and is stored in the tape cassette. An object of the present invention is to provide a recording and / or reproducing apparatus that realizes protection of a tape-shaped recording medium such as a magnetic tape and a head constituting recording and / or reproducing means.

In order to achieve the above-described object, a recording and / or reproducing apparatus according to the present invention includes a main body having a rectangular plane and an information signal provided on the tape-shaped recording medium in the tape cassette. The recording and / or reproducing means for recording and / or reproducing and the tape cassette having a rectangular planar shape are inserted with one side of a pair of short sides facing each other as the front end in the insertion direction. Rotating between a mounting position where the tape cassette is mounted on the recording and / or reproducing means and a separation position where the tape cassette inserted in the cassette holding means is separated from the recording and / or reproducing means. When the cassette holding means arranged on the short side of the main body and the cassette holding means are rotated to the mounting position for mounting the tape cassette on the recording and / or reproducing means, And locking means for locking the serial cassette holding means to said mounting position, provided to the short side of the insertion side of the tape cassette of the body, by being pressed in the same direction as the insertion direction of the tape cassette, the lock The cassette holding means is unlocked by the means, and the cassette holding means can be rotated from the mounting position to the separated position .

  The recording and / or reproducing means records or reproduces an information signal on a tape-like recording medium of a tape cassette, and is movable between a position inserted in the cassette holding means and a position separated from the cassette holding means. The apparatus further includes moving means for moving the head to the separated position when the cassette holding means moves from the mounting position to the separating position.

  The tape cassette used here has a head entry opening formed on one side surface in the longitudinal direction, and the head enters the head entry opening from a direction substantially perpendicular to the insertion direction of the tape cassette into the cassette holding means. It is provided to enter or leave the section.

  The cassette holding means includes a first holding portion for holding one of the opposing long sides of the tape cassette, and the other long side at a position where the insertion of the tape cassette is completed. A holder for holding the tape cassette inserted in the cassette holding means provided with a second holding section for holding; and a short side of the main body on which the cassette holding means is provided, and the recording and / or recording A lid that rotates together with the holder between an open position for opening the reproducing means and a closed position for closing the recording and / or reproducing means is provided.

  Furthermore, the recording and / or reproducing means records or reproduces an information signal on a tape-like recording medium of a tape cassette, and is provided so as to be movable between a position inserted into the holder and a position separated from the holder. The apparatus further includes moving means for moving the head to the separated position by moving the holder and the lid from the mounting position to the separating position.

  The recording and / or reproducing apparatus according to the present invention further comprises operating means for operating the lid to move to the open position, and the moving means inserts the head by operating the operating means. It is moved from the position to the position separated from the position.

  The recording and / or reproducing apparatus according to the present invention further includes locking means for locking the lid body at the closed position.

  The recording and / or reproducing apparatus according to the present invention further comprises blocking means for blocking the operation of unlocking the lid by the locking means when the recording and / or reproducing means is in a recording or reproducing operation. ing.

  The cassette holding means moves the tape cassette held by the cassette holding means from the cassette holding means when the cassette holding means is moved by the tape cassette insertion operation and moved to the separated position. Cassette moving operation means for moving in the discharging direction is provided.

  The recording and / or reproducing apparatus according to the present invention further includes an opening / closing mechanism that is attached to the main body and to which the lid body can be freely opened and closed, and the lid body is attached to the hinge portion of the opening / closing mechanism and the cassette holder. Installed.

  The recording and / or reproducing apparatus according to the present invention further includes urging means for urging the tape cassette held by the cassette holder toward the recording and / or reproducing means, and the urging means is the lid. A tape cassette provided on the back side of the body and held by the cassette holder is biased toward the recording and / or reproducing means side through an opening formed in the cassette holder.

  Further, the cassette moving operation means includes a moving portion that is movably provided on the cassette holding means and is operated to move by a tape cassette inserted into the cassette holder, and a tape having the moving portion inserted into the cassette holder. An urging means for urging the cassette in a direction to eject the cassette; and a lock portion for locking the moving portion to a position where the cassette holder has been inserted into the cassette holder. When moved to the first position, the moving part is unlocked.

  A recording and / or reproducing apparatus according to the present invention includes a cassette holding mechanism such as a cassette holder that is inserted with one side of a pair of short sides facing each other as a front end in the insertion direction. The cassette holding mechanism is disposed with the short side of the main body as a support end, and the position where the inserted tape cassette is mounted on the recording and / or reproducing unit, and the tape cassette inserted in the cassette holding mechanism is recorded. And / or recording and / or reproduction in which the tape cassette is inserted / removed with the longitudinal direction serving as the insertion end because the main body is rotatably supported between the position and the position separated from the reproduction unit. The problem of the apparatus can be solved and the tape cassette can be easily inserted and removed.

  The recording and / or reproducing apparatus according to the present invention separates the head from the mounting position of the tape cassette when the cassette holding mechanism moves to a position for separating the tape cassette from the position for mounting the tape cassette on the recording and / or reproducing section. Since it is made to move to a position, a mechanism part and a tape cassette can be reliably protected on the apparatus side such as a head.

  Furthermore, the recording and / or reproducing apparatus according to the present invention is configured to perform the head moving operation after the tape cassette is mounted on the cassette mounting portion or after the tape cassette is separated from the cassette mounting portion. Protection of a tape-shaped recording medium such as a magnetic tape housed in a cassette and a head constituting recording and / or reproducing means can be realized.

  Furthermore, the recording and / or reproducing apparatus according to the present invention locks when the recording and / or reproducing unit is in a state enabling recording and / or reproducing of an information signal with respect to a tape-shaped recording medium in the tape cassette. The mechanism keeps the lid locked, so that it can be reliably prevented that the tape cassette is ejected in the middle of recording and / or playback due to an erroneous operation, and the head, tape running mechanism, etc. Can be protected.

  Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

The embodiment shown here is applied to a tape recorder which is a recording / reproducing apparatus using a tape cassette containing a tape-shaped magnetic tape as an information signal recording medium. [1] Tape cassette A tape cassette used in the tape recorder of this embodiment will be described. The tape cassette 201 is a standard size tape cassette, and is a so-called Philips type.

  As shown in FIG. 1, the tape cassette 201 includes a cassette half 209 formed in a thin box shape having a rectangular planar shape. A pair of tape reels 202 and 203 are rotatably supported in the cassette half 209, and a magnetic tape 206 is wound between the tape reels 202 and 203. A magnetic head insertion hole 207, a pinch roller insertion hole 208, and the like are formed on the front side along one long side 209a of the pair of long sides 209a and 209b facing each other of the cassette half 209. The portion of the magnetic tape 206 housed in the cassette half 209 between the pair of tape reels 202 and 203 faces the outside of the cassette half 209 via the magnetic head insertion hole 207, the pinch roller insertion hole 208, and the like. Has been.

In addition, a pair of reel shaft insertion holes 210 and 211 are formed in the flat portion of the cassette half 209 so that the reel hubs 202a and 203a formed at the center of the pair of tape reels 202 and 203 face outward.
[2] Tape Recorder The tape recorder of the present embodiment using the tape cassette 201 shown in FIG. 1 as a recording medium corresponds to the planar shape of the tape cassette 201 mounted therein as shown in FIGS. In addition, it is configured as a thin rectangular parallelepiped having a rectangular planar shape.

  In this tape recorder, the cassette mounting unit 4 to which the tape cassette 201 is mounted is configured, and the magnetic tape 206 in the tape cassette 201 mounted in the cassette mounting unit 4 is operated to carry information. A recorder main body 1 having a recording / reproducing unit provided with a magnetic head for recording and reproducing signals and a lid 5 rotatably supported by the recorder main body 1 are provided.

  The recorder body 1 includes a housing 2 in which a mechanism such as a tape running mechanism for running and operating the magnetic tape 206 is disposed, and a U-shaped outer portion disposed so as to be fitted to the outer peripheral side of the housing 2. Frame 3. The housing 2 constituting the recorder body 1 is formed by punching and bending a thin metal plate, and is formed in a box shape having a rectangular planar shape substantially corresponding to the planar shape of the tape cassette 201 mounted on the tape recorder. ing. Further, the outer frame 3 is formed by molding a synthetic resin, and as shown in FIG. 6, an outer periphery extending from one side of a pair of short sides facing each other to a pair of long sides of the housing 2 having a rectangular shape. It is formed in a U shape so as to be fitted to the side.

The lid 5 is rotatably supported and attached to a part of the recorder body 1 so as to open and close the opened main surface side of the housing 2 constituting the recorder body 1. That is, the lid 5 is formed to have a size sufficient to cover the cassette mounting portion 4 configured on the opened main surface side of the housing 2, and the tape mounted on the cassette mounting portion 4. It is formed in a rectangular shape substantially corresponding to the planar shape of the cassette 201. The lid 5 is supported via a hinge portion constituted by a rotating shaft 45 (described later) provided on one short side of a pair of short sides facing each other of the recorder main body 1. in Figure 3 is rotationally operated in the arrow a ₁ direction and the arrow a ₂ direction, to open and close the cassette loading portion 4.

  And in the housing 2 which comprises the recorder main body 1, as shown in FIG. 6, the tape running mechanism which makes the magnetic tape 206 accommodated in the tape cassette 201 with which the cassette mounting part 4 was mounted | worn drive | work at constant speed, and drive | works. A chassis 6 is provided that constitutes a mechanism part that constitutes a recording / reproducing unit such as a magnetic head that slidably contacts the magnetic tape 206 to record and reproduce information signals. The chassis 6 is formed by punching a thin metal plate and bending a part thereof.

  On one main surface side of the chassis 6 disposed in the housing 2, a cassette mounting portion 4 to which the tape cassette 201 is mounted is configured. A pair of positioning pins 15 and 16 for positioning and mounting the tape cassette 201 and a magnetic tape 206 housed in the tape cassette 201 mounted on the mounting portion 4 are slidably contacted with the cassette mounting portion 4 and the magnetic tape 206 is positioned. A magnetic head 9 for recording / reproducing information signals with respect to the tape 206, a pair of first and second capstan shafts 17 and 18 that sandwich the magnetic tape 206 housed in the tape cassette 201 and run at a constant speed, and a pair of A pair of reel drive shafts 19 and 20 that engage with the first and second pinch rollers 11 and 12 and the reel housings 202a and 203a of the tape reels 202 and 203 in the tape cassette 201 and rotate the tape reels 202 and 203. Is disposed.

  The pair of positioning pins 15 and 16 are planted so as to protrude toward one main surface of the chassis 6 and engage with a pair of positioning holes 214 and 214 provided in the cassette half 209, respectively. The mounting position of the tape cassette 201 mounted on the mounting unit 4 is positioned. The first and second capstan shafts 17 and 18 are rotatably attached to the chassis 6 and are rotated at a constant rotational speed by a drive motor disposed on the other main surface side of the chassis 6. The Note that the rotation directions of the first and second capstan shafts 17 and 18 are opposite to each other. The capstan shafts 17 and 18 enter the back side of the magnetic tape 206 running in the cassette half 209 through a pair of capstan shaft insertion holes 213 and 213 provided in the cassette half 209. Further, the pinch rollers 11 and 12 are rotatably supported and are movable on the capstan shafts 17 and 18 so as to be movable toward and away from the capstan shafts 17 and 18. The pinch rollers 11 and 12 enter the cassette half 209 through the pinch roller insertion holes 208 and 208 formed on the front side of the cassette half 209, and cooperate with the capstan shafts 17 and 18 to generate magnetism. The tape 206 is clamped and the magnetic tape 206 is run at a constant speed at a constant speed. Furthermore, the magnetic head 9 enters the cassette half 209 through the magnetic head insertion hole 207 formed on the front surface side of the cassette half 209 and comes into sliding contact with the magnetic tape 206. Information signals are recorded on the magnetic tape 206. Or replay.

  A cassette holder 8 having a main surface portion 8a having a rectangular shape substantially corresponding to the planar shape of the tape cassette 201 on the inner surface facing the cassette mounting portion 4 of the lid 5 rotatably supported by the recorder body 1. Are arranged to overlap each other. As shown in FIG. 3, the cassette holder 8 has a cover 5 that is pivoted to a position where the cassette mounting portion 4 is opened. The tape cassette 201 is inserted. That is, the tape cassette 201 is inserted into the cassette holder 8 with one short side 209c side of the pair of short sides 209c and 209d facing each other as an insertion end. When the cassette holder 8 into which the tape cassette 201 is inserted is rotated so as to close the cassette mounting portion 4, the positioning pins 15 and 16 are engaged with the positioning holes 214 and 214 so that the tape cassette 201 is inserted into the cassette mounting portion. 4. Position and attach to 4.

  Further, as shown in FIG. 6, a substantially U-shaped side plate 7 is attached to the periphery of the chassis 6 so as to surround the main surface of the chassis 6, and the outer frame is superimposed on the outer peripheral surface side of the side plate 7. 3 is attached. The housing 2 is disposed so that the rising peripheral wall 2a formed at the peripheral edge is fitted to a part of the outer frame 3, and the rising peripheral wall 2a is fixed to the side plate 7 using a fixing screw or the like.

On the surface located on the housing 2 side, which is the other main surface opposite to the main surface on which the cassette mounting portion 4 of the chassis 6 is configured, the operation state of the magnetic tape 206 is set such as setting each operation mode of this tape recorder. An electronic circuit board 10 on which a control circuit unit for controlling the above is configured is disposed.
[3] On the outer surface side of the operation button housing 2 opposite to the side on which the cassette mounting portion 4 is formed, an operation button 74 serving as an operation portion constituting an operation portion for selecting an operation mode of the tape recorder is disposed. And is exposed to the outside of the housing 2 through the opening 90. As shown in FIG. 5, the operation button 74 includes a constant speed running mode (Play) in which the magnetic tape 206 runs at a constant speed in the forward direction (forward direction) or the reverse direction (reverse direction), a stop mode (Stop), and a fast forward. Four pressing portions respectively corresponding to the mode (FF) and the rewind mode (Rew) are provided. As shown in FIG. 6, these pressing portions are opposed to a sheet switch provided on an electronic circuit board 10 disposed on the chassis 6. Then, by pressing the pressing portion corresponding to each operation mode of the operation button 74, the sheet switch is pressed, and the operation mode corresponding to the pressing portion is selected.

  The operation button 74 is covered with a shutter plate 92 slidably attached to the housing 2 as shown in FIGS. The shutter plate 92 is formed of a metal plate and is slidably disposed on the outer surface side of the housing 2. The shutter plate 92 is disposed in a recess 106 provided on the outer surface of the housing so as to be flush with the outer surface of the housing 2, and is slid within the range of the recess 106 to open and close the operation button 74. .

Incidentally, the shutter plate 92 is attached with a connecting member 95 in which a pair of connecting pins 96, 96 and a pair of mounting pins 97, 97 are integrally formed. The connecting member 95 is attached to the shutter plate 92 by inserting the mounting pins 97 and 97 into a pair of mounting holes 94 and 94 provided in the shutter plate 92 and caulking the tip side of the mounting pins 97 and 97. It has been. The connecting member 95 has the connecting pins 96 and 96 inserted through a pair of through holes 93 and 93 formed in the shutter plate 92. Each connecting pin 96, 96 protrudes into the housing 2 through an opening 89 formed in the housing 2. A slide guide plate 76 is attached to the inner surface side of the housing 2 corresponding to the opening hole 89. A pair of long grooves 80 and 80 and a slide guide groove 81 are formed in the slide guide plate 76 at positions corresponding to the opening holes 89. The connecting pins 96 and 96 are inserted into the long grooves 80 and 80 and protrude further inward of the housing 2 than the slide guide plate 76.
An operation button 74 is attached to one end side of the slide guide plate 76. The operation button 74 is attached to one end side of the slide guide plate 76 via a leaf spring 75 attached to the back surface facing the inner side of the housing 2. The leaf spring 75 is attached to the surface of the slide guide plate 76 that faces the inner surface of the housing 2, and is supported by the slide guide plate 76 on the inner surface of the housing 2. The leaf spring 75 has a plurality of through holes 99 corresponding to the pressing portions of the operation button 74. These through holes 99 are for projecting each pressing portion of the operation button 74 inward of the housing 2. Further, through holes 77, 77, 79 and a notch 78 are formed on one end side of the slide guide plate 76. These through-holes 77, 77, 79 and the notch 78 are for projecting each pressing portion of the operation button 74 facing the through-hole 99 formed in the leaf spring 75 to the inside of the housing 2. is there.

  Further, a protrusion is formed on the back side of each pressing portion of the operation button 74. These protrusions are for pressing the sheet switch provided on the electronic circuit board 10 side when each pressing portion of the operation button 74 is pressed.

  Further, a support plate 105 having a flat plate shape in which a metal plate is punched and mounting holes 87 and 87 are formed is attached to the distal ends of the connection pins 96 and 96 of the connection member 95. The support plate 105 is attached to the connection member 95 by inserting the connection pins 96 and 96 into the attachment holes 87 and 87, respectively, and crimping the distal ends of the connection pins 96 and 96.

  Further, a guide pin 88 is provided on the support plate 105 so as to project inward of the housing 2 between the mounting holes 87 and 87. The guide pin 88 is inserted into the slide guide groove 81 from the inner side of the housing 2.

  In addition, a guide groove 86 is formed in the support plate 105 in parallel with the slide guide groove 81. In the guide groove 86, a guide pin 82 projecting inward of the housing 2 is inserted and engaged with the other end of the slide guide plate 76.

  The shutter plate 92 is guided by the slide guide groove 81 and the guide groove 86 and is supported so as to be slidable with respect to the housing 2. The shutter plate 92 is slid between a position covering the operation button 74 shown in FIG. 4 and a position where the operation button 74 shown in FIG. 5 faces outward.

  Each arm portion of the toggle spring 84 is between the locking pin 83 protruding from the other end of the slide guide plate 76 and the locking pin 85 protruding from the other end of the support plate 105. It is locked. The toggle spring 84 urges the support plate 105 in a direction away from the center position of the slidable range of the support plate 105. That is, the shutter plate 92 is urged in one of a direction where the operation button 74 is covered by the urging force of the toggle spring 84 and a direction where the operation button 74 is exposed outward.

  The portion of the connecting member 95 that protrudes to the surface side of the shutter plate 92 functions as a finger hook when the shutter plate 92 is moved and operated by fingers.

[4] Operation Mode Switching Mechanism As shown in FIGS. 7 to 9 on the other main surface side facing the inner side of the housing 2 facing the one main surface constituting the cassette mounting portion 4 of the chassis 6. In addition, a drive motor 119 is attached, and the drive motor 119 is selectively transmitted to the reel drive shafts 19 and 20 and the first and second capstan shafts 17 and 18 in accordance with the selected operation mode. A mode switching mechanism is provided. This switching mechanism includes a solenoid plunger 301 and a cam gear 320 that operate when each operation mode is selected. The cam gear 320 is rotated by the driving force of the drive motor 119 and stopped at the rotation angle position corresponding to each operation mode according to the operation of the solenoid plunger 301. This switching mechanism is configured between the chassis 6 and the electronic circuit board 10.

  A pulley 147 is attached to the drive shaft of the drive motor 119. An endless drive belt 120 is wound around the pulley 147. The drive belt 120 is wound around a transmission pulley 148 rotatably supported on the other main surface side of the chassis 6 and a flywheel 152 on the forward side. The drive belt 120 is in contact with a reverse flywheel 151 that is paired with a forward flywheel 152. The transmission pulley 148 is rotatably supported via a support shaft 149 planted on the other main surface side of the chassis 6.

  Capstan shafts 17 and 18 are planted at the center of each flywheel 152 and 151, and the base ends of the capstan shafts 17 and 18 are supported by bearings 154 and 153 attached to the chassis 6. By doing so, it is rotatably supported by the chassis 6. The first and second capstan shafts 17 and 18 planted on the flywheels 152 and 151 are cassette mounting portions formed on one main surface side of the chassis 1 via the bearings 154 and 153, respectively. It protrudes to the 4th side.

  When the drive motor 119 rotates the flywheels 152 and 151 and the capstan shafts 17 and 18 planted integrally with the flywheels 152 and 151, the flywheels 152 and 151 are opposite to each other. It is rotated.

  A drive gear 319 is integrally provided on the surface of the forward flywheel 152 facing the chassis 6. The drive gear 319 meshes with a first transmission gear 158 that is rotatably supported via a support shaft 159 planted on the other main surface side of the chassis 6. A cam drive gear 379 having a smaller diameter than that of the first transmission gear 158 is integrally provided at the central portion of the first transmission gear 158.

  The cam drive gear 379 faces the outer peripheral portion of the cam gear 320 rotatably supported by a support shaft 190 planted on the other main surface side of the chassis 6, and is formed on the outer peripheral edge of the cam gear 320. It is configured to be able to mesh with the portion 323.

  Selection of each operation mode in this tape recorder is performed according to the rotational angle position of the cam gear 320. That is, an operation mode switching lever 118 that is moved by the cam gear 320 is disposed on the other main surface of the chassis 6. The operation mode switching lever 118 is formed by inserting and supporting the long holes 191 and 188 drilled with a long diameter in the longitudinal direction through the support shafts 190 and 189 planted in the chassis 6. It is movable on the chassis 6 and disposed on the chassis 6.

The operation mode switching lever 118 is formed with a spring contact piece 187 rising on one end side, and arm portions of the torsion coil spring 186 supported on the chassis 6 are in pressure contact with both sides of the spring contact piece 187, respectively. . In the torsion coil spring 186, the coil portion is supported by the support shaft 315 planted in the chassis 6, and the pair of arm portions press and support the spring contact piece 187 from both sides with urging forces opposite to each other. The mode switching lever 118 is held at the neutral position. The operation mode switching lever 118 is held at the neutral position when the stop mode, fast forward mode, and rewind mode are selected. When the forward mode in which the magnetic tape 206 travels in the forward direction is selected in the state where the reproduction mode or the recording mode is selected, the operation mode switching lever 118 resists the biasing force of the torsion coil spring 186. 8 during the movement operation of the arrow T ₁ direction and a reverse mode where the magnetic tape 206 is run in the reverse direction is selected, it is operated to move the arrow T ₂ direction in FIG. 8.

  As shown in FIGS. 18 and 19, the cam gear 320 has a gear portion 323 formed on the outer peripheral surface, and first to third missing tooth portions 325, 324, 326 are formed between the gear portions 323. Has been. When any one of the toothless portions 325, 324, 326 is opposed to the cam drive gear 379, the cam gear 320 is not operated even if the cam drive gear 379 rotates and is not activated. Placed. The cam gear 320 meshes with the cam drive gear 379 when the gear portion 323 is opposed to the cam drive gear 379. When the cam drive gear 379 rotates, the driving force is transmitted. Is rotated.

  Then, on one main surface side of the cam gear 320 facing the other main surface of the chassis 6, as shown in FIG. 18, the operation mode switching lever 118 is moved and operated against the urging force of the torsion coil spring 186. One cam portion 321 and a second cam portion 322 are formed to face each other. The first cam portion 321 is formed as a first cam surface 321a with which a cam follower 192 provided on the operation mode switching lever 118 is in sliding contact with an inner peripheral surface facing the support shaft 190 that rotatably supports the cam gear 320. The second cam portion 322 has an outer peripheral surface facing the outer peripheral edge of the cam gear 320 as a second cam surface 322a with which a cam follower 192 provided on the operation mode switching lever 118 is in sliding contact.

  The cam follower 192 slidably in contact with the first and second cam portions 321 and 322 protrudes from the other end portion of the operation mode switching lever 118 that extends between the cam gear 320 and the chassis 6.

  When the cam gear 320 is rotated to the initial position shown in FIG. 10, the cam follower 192 is positioned at the cam follower entry portion 320a formed between the one end portions of the first and second cam portions 321 and 322, and the cam gear 320 is operated. The mode switching lever 118 is set to the neutral position. When the cam gear 320 is in the initial position, the cam drive gear 379 faces the first missing tooth portion 325.

Cam gear 320 from the initial position shown in FIG. 10, when it is rotated in the clockwise direction of arrow _{R 1} direction in FIG. 18, enters the cam follower 192 from the cam follower entry portion 320a between the first and second cam portions 321 and 322 Then, it comes into sliding contact with the first cam surface 321a. The cam gear 320, the gradually rotated further 18 in the direction of arrow _{R 1,} the cam follower 192 is moved in a direction guided by the first cam surface 321a close to the support shaft 190 side, the operation mode select lever 118 but against the biasing force of the torsion coil spring 186, it is moved in Fig. 11 arrow B ₁ direction. When the cam gear 320 is 130 ° rotated in the direction of arrow _{R 1} in FIG. 18, to sliding contact with the cam follower 192 to the maximum protruding portion 338 of the first cam surface 321a, operating mode switching lever 118 to 11 in the arrow _{B 1} direction Move to the maximum movement position. Then, when the cam gear 320 is further rotated by 5 ° in the direction of arrow R _{1 in} FIG. 18, that is, 135 ° from the initial position, the cam follower 192 gets over the maximum protrusion 338 and abuts on the inclined surface 339 following the maximum protrusion 338. . When the inclined surface 339 cam follower 192 abuts, operating mode switching lever 118 is somewhat s return movement 11 in the arrow B ₁ direction by the urging force of the torsion coil spring 186, the magnetic tape the operating mode of the tape recorder 206 switches to a forward-direction recording / reproducing mode in which recording or reproduction is performed by traveling at a constant speed in the forward direction (forward direction). At this time, the cam drive gear 379 is opposed to the second toothless portion 324 of the cam gear 320.

When the cam gear 320 is rotated the operating mode switching lever 118 further 18 arrow arrow R ₁ direction from the rotational position of the recording and reproduction mode in the forward direction to move 11 in the arrow B ₁ direction until the selected position, The cam follower 192 reaches the cam follower retracting portion 320b formed between the other end portions of the first and second cam portions 321 and 322, and is not in contact with any of the first and second cam surfaces 321a and 322a. The When the pressing of the cam follower 192 by the cam gear 320 is released, the operation mode switching lever 118 receives the urging force of the torsion coil spring 186 and returns to the neutral position. Further the cam gear 320 from this state will be rotated in the direction of arrow _{R 1} in FIG. 18, the cam follower 192 will ride on the second cam surface 322a. When the cam gear 320 is further rotated from the initial position in the direction of arrow R ₁ in FIG. 18, the cam follower 192 is moved in a direction guided by the second cam surface 322a away from the support shaft 190, the operation mode switching lever 118, against the biasing force of the torsion coil spring 186, is moved in Fig. 12 arrow _{B 1} direction. When the cam gear 320 is 130 ° rotated in the direction of arrow _{R 1} in FIG. 18, to sliding contact with the cam follower 192 to the maximum protruding portion 340 of the second cam surfaces 322a, 12 in the arrow _{B 2} direction operation mode select lever 118 Move to the maximum movement position. When the cam gear 320 is further rotated by 5 ° in the direction of arrow R _{1 in} FIG. 18, that is, 270 ° from the initial position, the cam follower 192 gets over the maximum protrusion 340 and abuts on the inclined surface portion 341 following the maximum protrusion 340. . When the inclined surface 341 cam follower 192 abuts, operating mode switching lever 118 is somewhat s return movement in FIG. 12 in an arrow B ₁ direction by the urging force of the torsion coil spring 186, the magnetic tape the operating mode of the tape recorder 206 is switched to the recording / reproducing mode in the reverse direction in which recording or reproduction is performed by running at a constant speed in the reverse direction (reverse direction). At this time, the cam drive gear 379 is opposed to the third toothless portion 326 of the cam gear 320.

The cam gear 320 is rotated further 18 arrow R ₁ direction from a rotation until the operation mode select lever 118 to select the recording mode in the reverse direction is moved in FIG. 11 in the arrow B ₂ direction position position, from the initial position When rotated 360 °, the cam follower 192 reaches an initial position facing a cam follower entry portion 320a formed between one end portions of the first and second cam portions 321 and 322. Then, the operation mode switching lever 118 is returned to the neutral position under the urging force of the torsion coil spring 186. When the operation mode switching lever 118 is in the initial position, the tape recorder is selected to be in the stop mode, the fast forward mode, or the rewind mode.

  As shown in FIG. 19, one end of the cam gear 320 that moves the operation mode switching lever 118 is connected to the plunger rod 377 of the solenoid plunger 301 and is rotated by driving the solenoid plunger 301. A cam groove 327a that engages with a cam follower 380 provided on the other end side of the rotating lever 199 is formed. The cam groove 327 a is formed in a ring shape with the support shaft 190 as the center, and the outer peripheral surface is the third cam surface 327 and the inner peripheral surface is the fourth cam surface 328.

  By the way, the solenoid plunger 301 for rotating the rotation lever 199 with the cam follower 380 engaged with the cam groove 327a has the other main surface of the chassis 6 as shown in FIGS. It is arranged on the side. The solenoid plunger 301 urges the plunger rod 377 in the retracting direction when the solenoid plunger 301 is in the OFF state of the non-operating state, and causes the plunger rod 377 to protrude when energized and turned on. The rotation lever 199 that is rotated by the solenoid plunger 301 is engaged with an engagement portion 373 formed at one end of the plunger rod 377 and a cam follower 380 protruding from the other end is connected to the cam of the cam gear 320. By engaging with the groove 327a and supporting the support shaft 200 planted in the chassis 6 in the middle, the support shaft 200 is pivotally mounted around the support shaft 200.

  On the other main surface side of the chassis 6, a gear moving lever 175 for moving and operating a tape running direction switching gear 184 described later is disposed. This gear moving lever 175 is supported at its one end side so as to be rotatable via a support shaft 176 planted in the chassis 6, and a contact piece 376 formed in the middle is provided in the middle of the rotating lever 199. The pressing piece 374 is opposed. The gear movement lever 175 has a rotation range restricted by engaging an engagement piece 180 formed by bending the other end with a rotation restriction groove 181 formed in the chassis 6.

  The arm portion of the torsion coil spring 368 is wound around the support shaft 375 planted in the chassis 6 and supported so as to be rotatable about the support shaft 375. Are engaged. The rotation lever 199 is urged to rotate in a direction in which the other end side is separated from the solenoid plunger 301 by engaging one arm portion of the torsion coil spring 368 with an engagement portion 370 provided on the other end side. ing. Further, the gear moving lever 175 is configured such that the contact piece 376 is pressed against the rotating lever 199 when the other arm portion of the torsion coil spring 368 is engaged with an engaging piece 369 provided in the vicinity of the support shaft 176. It is urged to rotate in the direction of approaching 374.

  The torsion coil spring 368 has a distance from the support shaft 176 of the gear movement lever to the contact piece 376 longer than the distance from the support shaft 176 to the engagement piece 369, and from the support shaft 200 of the rotating lever 199 to the pressing piece 374. Is shorter than the distance from the support shaft 200 to the engaging portion 370, the rotating lever 199 is caused to generate a rotating torque larger than the rotating torque generated in the gear moving lever 175.

Therefore, as shown in FIG. 15, when the solenoid rod 301 is energized and is turned on, the torsion coil spring 368 moves the other end of the rotating lever 199 when the plunger rod 377 protrudes toward the rotating lever 199. in Figure 15 is spaced from the solenoid plunger 301 is rotated in the arrow _{C 1} direction, is brought into contact with the pressing piece 374 of the rotational lever 199 in the contact piece 376 of the gear movement lever 175, the torsion coil spring gear movement lever 175 It is rotated against the biasing force of 368. At this time, the cam follower 380 provided on one end side of the rotation lever 199 is brought into a slidable contact with the fourth cam surface 328 on the outer peripheral side of the cam gear 320.

Further, when the solenoid rod 301 is turned off and the plunger rod 377 is retracted, the rotation lever 199 has the other end side close to the solenoid plunger 301 in FIG. _The cam follower 380 that is rotated in _two directions and is provided on one end side is brought into a slidable contact with the third cam surface 327 of the cam gear 320.

When the cam gear 320 is in the initial position, as shown in FIG. 19, the cam follower 380 provided on the rotating lever 190 is engaged with the first locking portion 329 formed on the third cam surface 327. and the rotation in the arrow R ₁ direction in FIG 19 is restricted. When the cam gear 320 is in the initial position, the cam drive gear 379 faces the first missing tooth portion 325.

When the plunger rod 377 in the ON state is performed energized solenoid plunger 301 projects, rotational lever 199 is rotationally operated in the arrow _{C 1} direction in FIG. 15, the cam follower 380, the outer peripheral side of the cam gear 320 The first engagement portion 329 is disengaged and comes into contact with the first inclined surface 332 formed on the fourth cam surface 328 on the outer peripheral side of the cam groove 327a. The surface 332 is pressed. When the cam follower 380 presses the first inclined surface 332, the cam gear 320 is slightly rotated in the direction of the arrow R _{1 in} FIG. 19, and the gear portion 323 meshes with the cam drive gear 379. Then, the cam gear 320, the driving force of the cam drive gear 379 is transmitted, is made a rotatable state by the cam drive gear 379 in an arrow R ₁ direction in FIG 19. From this state, the cam drive gear 379 is driven, the cam gear 320 is further operated to rotate the direction of arrow R ₁ in FIG. 19, position to be brought into contact with cam follower 380 to the second inclined surface 333 of the fourth cam portion 328 Once rotated, made the OFF state is de-energized to the solenoid plunger 301 is moved in the direction the plunger rod 377 is retracted, rotate the rotational lever 199 in FIG. 15 the arrow C ₂ direction, the cam follower 380 cams It moves to the third cam surface 327 side on the inner peripheral side of the groove 327a.

When the cam gear 320 is 135 ° rotated from the initial position in the direction of arrow _{R 1} in FIG. 19, the cam follower 380 is engaged with the second engaging portion 330 of the third cam surface 327, the cam gear 320 Regulate rotation. At this time, the urging force of the torsion coil spring 186 that urges the operation mode switching lever 118 that abuts the cam follower 192 against the first and second cam portions 321 and 322 formed on one main surface side with respect to the cam gear 320. It is transmitted via the cam follower 192 and the inclined surface 339 of the first cam surface 321a. Then, the cam gear 320 is placed in a state of being rotationally biased in the direction of arrow R ₁ in FIG. At this time, the cam drive gear 379 is opposed to the second toothless portion 324 of the cam gear 320.

Again moving, when energized solenoid plunger 301 is performed ON state, the rotating lever 199 is rotated in the arrow _{C 1} direction in FIG. 15, the cam follower 380 provided on the rotating lever 199 to the outer circumferential side of the cam gear 320 Then, the engagement with the second locking portion 330 is released. Then, the cam follower 380 presses the third inclined surface 334 formed on the fourth cam surface 328 formed on the outer peripheral side of the cam groove 327a. When the cam follower 380 presses the third inclined surface 334, and receives the pressing force from the cam follower 380, the cam gear 320 is slightly rotated in the direction of arrow _{R 1} in FIG. 19, the gear portion 323 of the cam gear 320 is cam meshed with the drive gear 379, it is made a rotatable state in the direction of arrow R ₁ 19 receives the driving force of the cam drive gear 379. From this state, the cam drive gear 379 is driven, the cam gear 320 is further operated to rotate the direction of arrow R ₁ in FIG. 19, position to be brought into contact with cam follower 380 to the fourth inclined surface 335 of the fourth cam portion 328 Once rotated, made the OFF state is de-energized to the solenoid plunger 301 is moved in the direction the plunger rod 377 is retracted, rotate the rotational lever 199 in FIG. 15 the arrow C ₂ direction, the cam follower 380 cams It moves to the third cam surface 327 side on the inner peripheral side of the groove 327a.

When the cam gear 320 is rotated 270 ° from the initial position in the direction of the arrow R _{1 in} FIG. 19, the cam follower 380 is engaged with the third locking portion 331 of the third cam surface 327, and the cam gear 320 Regulate rotation. At this time, the urging force of the torsion coil spring 186 that urges the operation mode switching lever 118 is transmitted to the cam gear 320 via the cam follower 192 and the inclined surface 341 of the second cam surface 322a. Then, the cam gear 320 is placed in a state of being rotationally biased in the direction of arrow R ₁ in FIG. At this time, the cam drive gear 379 faces the third toothless portion 326 of the cam gear 320.

Again, the energization to the solenoid plunger 301 is performed ON state, the rotating lever 199 is rotated in the arrow C ₁ direction in FIG. 15, the cam follower 380 is moved to the outer peripheral side of the cam gear 320, the third locking portion The engagement with 331 is released. Then, the cam follower 380 presses the fifth inclined surface 336 formed on the fourth cam surface 328 formed on the outer peripheral side of the cam groove 327a. When the cam follower 380 presses the fifth inclined surface 336, and receives the pressing force from the cam follower 380, the cam gear 320 is slightly rotated in the direction of arrow _{R 1} in FIG. 19, the gear portion 323 of the cam gear 320 is cam meshed with the drive gear 379, it is made a rotatable state in the direction of arrow R ₁ 19 receives the driving force of the cam drive gear 379.

From this state, the driving cam drive gear 379, the cam gear 320 is further operated to rotate the direction of arrow R ₁ in FIG. 19, position to be brought into contact with cam follower 380 to a sixth inclined surface 337 of the fourth cam portion 328 Once rotated, made the OFF state is de-energized to the solenoid plunger 301 is moved in the direction the plunger rod 377 is retracted, rotate the rotational lever 199 in FIG. 15 the arrow C ₂ direction, the cam follower 380 cams It moves to the third cam surface 327 side on the inner peripheral side of the groove 327a.

Then, the cam gear 320 in FIG. 19 the arrow _{R 1} direction 360 ° from the initial position, i.e., when it is rotated until it returns to the initial position, the cam follower 380, the first locking portion 329 of the third cam surface 327 The cam gear 320 is engaged to restrict the rotation of the cam gear 320. At this time, the cam drive gear 379 is opposed to the first toothless portion 325 of the cam gear 320.

  By the way, as shown in FIGS. 10 to 13, the operation mode switching lever 118 has a head moving lever 313 that is rotatably mounted on the chassis 6 via a support shaft 126 planted on the chassis 6. It is connected. The head moving lever 313 is rotated according to the movement of the operation mode switching lever 118. That is, the head moving lever 313 is disposed in the vicinity of the operation mode switching lever 118, and is fitted to the fitting recess 355 on the side facing the one side of the operation mode switching lever 118 and on the one side of the operation mode switching lever 118. The fitting protrusions 354 having a substantially circular shape protruding are fitted and connected. The head moving lever 313 is rotated about the fitting protrusion 354 when the operation mode switching lever 118 is moved. When the head moving lever 313 is rotated about the fitting protrusion 354, the head support substrate 13 to which the magnetic head 9 is attached is moved, and the magnetic head 9 is moved in the direction toward the cassette mounting portion 4. The magnetic head 9 moved to the cassette mounting portion 4 side enters the magnetic head insertion hole 207 of the tape cassette 201 mounted on the cassette mounting portion 4 and comes into sliding contact with the magnetic tape 206 running in the tape cassette 201.

  The head support substrate 13 is always urged by a tension spring 312 in a direction in which the magnetic head 9 is retracted from the cassette 209.

  Further, a pair of arm portions 13a and 13b are extended on the head support substrate 13 toward the operation mode switching lever 118 so as to sandwich the head moving lever 313, and the head moving lever 313 is provided at the tips of these arm portions 13a and 13b. The 1st and 2nd press piece 362,363 which opposes is formed. When the head moving lever 313 is rotated about the support shaft 126, the head support substrate 13 is first and second pressed by the first and second pressing operation pieces 357 and 359 formed on both sides of the head moving lever 313. The second pressing pieces 362 and 363 are pressed and moved in the direction of the cassette mounting portion 4. That is, in the recording / reproducing mode in the forward mode, the head moving lever 313 rotates about the support shaft 126 in the counterclockwise direction in FIG. 11, and the first pressing operation piece 357 formed on the right side in FIG. Presses the first pressing piece 362 of the head support substrate 13. In the reverse reproduction mode, the head moving lever 313 rotates about the support shaft 126 in the clockwise direction in FIG. 12, and the second pressing operation piece 359 formed on the left side in FIG. The second pressing piece 363 of the substrate 13 is pressed.

On the other main surface side of the chassis 6, a head positioning lever 117 that supports the magnetic head 9 moved to the cassette mounting portion 4 side at the moving position is slidably disposed. The head positioning lever 117, the front end side to face the head supporting substrate 13 and the head moving lever 313, movable chassis 6 in FIG. 10 in the direction of the arrow Q ₁ direction and Q ₂ which closely spaced with respect to the head supporting substrate 13 Supported on top. The head positioning lever 117, the torsion coil spring 195 disposed on the chassis 6 as shown in FIG. 9, is biased in Figure 10 arrow Q ₁ direction toward the distal end side to the head supporting substrate 13. As shown in FIG. 11, the head positioning lever 117 is urged by a torsion coil spring 195 by bringing a contact piece 365 formed at the tip into contact with a contact pin 364 planted on the head moving lever 313. The position is restricted.

  Further, first and second locking step portions 115 and 116 that are selectively locked by locking pieces 366 formed on the head support substrate 13 are formed in a step shape at the tip portion of the head positioning lever 117. Yes.

  In the tape recorder of the present embodiment, when the tape recorder is in the stop mode and the magnetic head 9 is at the position where it has left the cassette mounting portion 4, the head support substrate 13 is positioned as shown in FIG. The lever 117 is not positioned. That is, the locking piece 366 is placed at a position spaced from the first and second locking steps 115 and 116 as shown in FIG.

Then, the tape recorder of the present embodiment selects the forward or reverse recording and / or reproduction mode, the magnetic head 9 is advanced to the cassette mounting portion 4 side, and the tape cassette mounted on the cassette mounting portion 4 As shown in FIGS. 11 and 12, the locking piece 366 formed on the head support substrate 13 is locked to the first locking step 115 when the head is moved to the position of entering the head insertion hole 207. Then, the magnetic head 9 is positioned and held at the recording / reproducing position where the magnetic head 9 is advanced to the cassette mounting portion 4 side. State of the positioning and holding of the head support substrate 13 by the head positioning lever 117 is maintained by the head positioning lever 117 is biased by the torsion coil spring 195 in the arrow Q ₁ direction in FIG. 11, also, the head supporting board 13 released state of the positioning holding is performed by the head movement lever 313 is rotated to move the head positioning lever 117 in FIG. 11 in the arrow Q ¹ direction against the urging force of the torsion coil spring 195.

  In addition, after the recording / reproducing mode in which the tape recorder of the present embodiment runs the magnetic tape 206 at a constant speed is set, the magnetic tape 206 is run at a stop mode, a fast-forward mode, a rewind mode, or at a high speed. When the music selection mode for detecting the music signal recorded on the tape 206 is selected, the head moving lever 313 returns to the initial position, so that the head positioning lever 117 also returns to the initial position. The locking piece 366 formed on the substrate 13 is locked to the second locking portion 116 as shown in FIG. Accordingly, at this time, the magnetic head 9 is retracted from the recording and / or reproducing position, but is positioned and held at a standby position that is a position advanced to the head mounting portion 4 side from the stop position.

  The head moving arm 313 selectively rotates the first and second pinch roller rotating operation levers 304 and 305 that are rotatably attached to the chassis 6. These pinch roller rotating operation levers 304 and 305 are disposed on both sides of the magnetic head 9 mounted on the head support substrate 13, and are centrally disposed on the support shafts 306 and 307 planted on the head support substrate 13. Are supported so as to be rotatable around these support shafts 306 and 307.

  Abutting pieces 310 and 311 are formed on one end side of the first and second pinch roller rotating operation levers 304 and 305 on the head support substrate 13 side, and pressing operation pieces 308 and 309 are provided on the other end side. Is formed. These pressing operation pieces 308 and 309 are projected through the openings 314 and 314 provided in the chassis 6 to the cassette mounting portion 4 side which is configured on one main surface side of the chassis 1.

  Further, the first and second pinch rollers 11 and 12 that selectively come into contact with and separate from the first and second capstans 17 and 18 are rotated via support shafts 155 and 155 that are planted in the chassis 6. The pinch roller support arm 157 supported so as to be rotatable is attached to one end side of the pinch roller support arm 157. These first and second pinch rollers 11 and 12 are rotatable to one end side of pinch roller support arms 157 and 157 rotatably supported via support shafts 155 and 155 planted in the chassis 6. It is supported. These pinch roller support arms 157 and 157 are supported by first and second pinch rollers 11 and 12 supported on one end side by torsion coil springs 156 and 156 wound around support shafts 155 and 155, respectively. The capstan shafts 17 and 18 are urged to rotate.

The head moving lever 313 is rotated by the operation mode switching lever 118 being moved, the first or second pressing operation pieces 357 and 359 press the contact pieces 310 and 311, and The first or second pinch roller rotation operation levers 304 and 305 are rotated about the support shafts 306 and 307. When the first or second pinch roller moving arms 304, 305 are rotated, the pressing operation pieces 308, 309 are connected to one arm portion of the torsion coil springs 156, 156 by the first or second capstan shaft 17, Press to 18 side.
When the tape recorder of this embodiment is set to the recording / reproducing mode in the forward mode, as shown in FIG. 11, the second pressing operation piece 359 of the head moving lever 313 is moved to the first pinch roller rotation on the forward side. The contact piece 311 of the moving operation lever 305 is pressed. When the recording / reproducing mode in the reverse mode is set, as shown in FIG. 12, the first pressing operation piece 357 of the head moving lever 313 is pressed by the second pinch roller rotating operation lever 304 on the reverse side. The contact piece 310 is pressed.

  The head moving lever 313 is provided with engagement pins 361 and 364 for engaging an operation mode detection switch (not shown). The operation mode detection switch detects in which direction the head moving lever 313 is rotated, and the tape recorder of the present embodiment performs the recording / reproducing mode in the forward mode, the recording / reproducing mode in the reverse mode, and the stop mode. It is detected which operation mode is selected.

  The first transmission gear 158 that meshes with the drive gear 319 provided on the forward flywheel 152 and that transmits the drive force of the drive motor 119 is supported on the other main surface side of the chassis 6. The shaft 163 meshes with a second transmission gear 160 rotatably supported. As shown in FIG. 7, a clutch gear 162 is coaxially attached to the second transmission gear 160 via a friction member 161. When the second transmission gear 160 rotates, the clutch gear 162 is rotated by a driving force transmitted through the frictional force of the friction member 161 interposed between the clutch transmission 162 and the second transmission gear 160.

  The clutch gear 162 has a swing gear 164 rotatably supported by a support shaft 165 planted at the tip of a swing lever 198 that swings about a support shaft 163 that supports the second transmission gear 160. Meshed. The swing gear 164 rotates around the clutch gear 162 when the swing lever 198 is rotated about the support shaft 165.

As shown in FIG. 11, the swing lever 198 has a pair of arm portions projecting on both sides, and first and second pressing operations formed on the other side of the operation mode switching lever 118 at the ends of these arm portions. First and second contact pieces 350 and 351 are formed to contact the pieces 352 and 353, respectively. Then, the recording mode is selected in the forward mode, the operation mode select lever 118, when it is slid in the arrow B ₁ direction in Fig. 11, second pressing operation piece 353 and the second second contact piece 351 presses, and the swing lever 198 around the support shaft 163 is rotated 11 in the arrow _{D 1} direction. Also, the selected recording mode in the reverse mode, the operation mode select lever 118, when it is slid in the arrow B ₂ direction in FIG. 11, the first pressing operation piece 352 is first second contact piece 350 presses, and the swing lever 198 around the support shaft 163 is rotated 12 in the arrow _{D 2} direction.

  When the tape recorder of the present embodiment is set to the recording / reproducing mode in the forward mode, the swing gear 164 is rotatably supported via the support shaft 172 planted in the chassis 6. Engage with the transmission gear 171. The third transmission gear 171 meshes with a fourth transmission gear 173 that is rotatably supported by a support shaft 174 planted in the chassis 6. The fourth transmission gear 173 is a reel gear 302 on the tape take-up side which is a first reel gear attached to the base end portion protruding to the other main surface side of the chassis 6 of the reverse drive shaft 19 on the tape take-up side. Is engaged. That is, in the recording / reproducing mode in the forward mode, the driving force of the drive motor 119 is transmitted to the reel drive shaft 19 on the tape take-up side via the clutch gear 162, and this reel drive shaft 19 is transmitted to the clutch gear 162. The rotational operation is performed with a rotational torque having an upper limit on the rotational torque.

  Further, when the tape recorder of the present embodiment is set to the recording / reproducing mode in the reverse mode, the swing gear 164 is rotatably supported via the support shaft 167 planted in the chassis 6. 5 transmission gear 166. The fifth transmission gear 166 meshes with a reel gear 169 on the tape supply side which is a second reel gear attached to the base end portion protruding to the other main surface side of the chassis 6 of the reel drive shaft 20 on the tape supply side. is doing. That is, in the recording / reproducing mode in the reverse mode, the driving force of the drive motor 119 is transmitted to the reel drive shaft 20 on the tape supply side via the clutch gear 162, and this reel drive shaft 20 is transmitted to the clutch gear 162. The rotational operation is performed with a rotational torque having an upper limit of the rotational torque.

  The fifth transmission gear 166 is provided with a speed detection plate 168 for detecting the rotational speed of the fifth transmission gear 166 by an optical sensor.

  In the vicinity of the other end side of the gear moving lever 175, a gear support lever 183 that rotatably supports a switching gear 184 that switches the tape running direction is disposed. The gear support lever 183 has a long hole on the base end side, and a support shaft 182 planted in the chassis 6 is inserted through the long hole so that the gear support lever 183 is supported to be rotatable and slidable. A switching gear 184 is rotatably supported on the front end side of the gear support lever 183 via a support shaft 185. Further, an arc-shaped groove 178 into which the support shaft 185 that supports the switching gear 184 is inserted is formed on the other end side of the gear moving lever 175.

  The switching gear 184 is moved toward and away from the second transmission gear 160 by the rotation of the gear moving lever 175.

  Further, as shown in FIGS. 8 and 9, the gear moving lever 175 is provided with a rack gear 179 facing the outer peripheral edge of the second transmission gear 160 so as to face one side edge of the groove 178. The rack gear 179 is provided over a range shorter than the groove 178. Therefore, when the support shaft 185 that supports the switching gear 184 moves while being guided by the groove 178, the switching gear 184 meshes with the rack gear 179. When the support shaft 185 is positioned at both ends of the groove 178, the switching gear 184 is disengaged from the rack gear 179.

  A movement restriction lever 197 for restricting the movement of the gear movement lever 175 is provided between the gear movement lever 175 and the operation mode switching lever 118 as shown in FIG. This movement restricting lever 197 has a pair of long holes 344 and 346, and by inserting the support shafts 343 and 345 planted in the chassis 6 into these long holes 344 and 346, the gear movement lever 175 and the operation mode switching are switched. The lever 118 is supported so as to be movable in the direction across the lever 118. As shown in FIG. 14, a pressing operation piece 372 that contacts the first contact piece 347 formed on the gear movement lever 175 is formed at the end of the movement restriction lever 197 facing the gear movement lever 175. ing. A second abutting piece 348 having a concave portion at the center is provided at the end of the movement restricting lever 197 facing the operation mode switching lever 118. An engaging protrusion 349 that engages with the concave portion of the contact piece 348 is provided at a portion of the operation mode switching lever 118 that faces the second contact piece 348.

  When the tape recorder of this embodiment is in the initial stop mode, as shown in FIGS. 14 and 17, the plunger rod 377 of the solenoid plunger 301 is in the retracted position, so that the gear moving lever 175 is In response to the urging force of the torsion coil spring 368, the urging force of the torsion coil spring 368 is rotated, and the switching gear 184 in the tape running direction is moved to the second transmission gear 160 side to mesh with each other. In this stop mode, the switching gear 184 meshes with either the fifth transmission gear 166 or the fourth transmission gear 173 when the support shaft 185 is located at either end of the groove 178.

In stop mode, the second transmission gear 160 has been rotated in the arrow _{E 1} direction or _{E 2} direction in FIG. 17, the switching gear 184, depending on the direction of rotation of the second transmission gear 160, the second transmission while maintaining the state of being meshed with the gear 160 is moved operate around this second transmission gear 160 in FIG. 17 in direction of arrow F ₁ or F ₂ direction. That is, when the switching gear 184 is engaged with one of the fourth and fifth transmission gears 173 and 166, the second transmission gear 160 is engaged with the switching gear 184 at one of the transmission gears. When it is rotated in the direction toward 173 or 166, the switching gear 184 is rotated in a direction to bite into one of the transmission gears 173 or 166, so that the meshing state with respect to one gear is maintained and held. Then, this one gear is rotated. When the switching gear 184 meshes with the fourth transmission gear 173 and rotates the fourth transmission gear 173, a fast-forward mode in which the reel gear 302 on the tape take-up side is rotated is set. When the switching gear 184 meshes with the fifth transmission gear 166 to rotate the fifth transmission gear 166, a rewind mode in which the reel gear 169 on the tape supply side is rotated is set.

  When the switching gear 184 meshes with one of the fourth and fifth transmission gears 173 and 166, the second transmission gear 160 engages the switching gear 184 with the fourth and fifth gears. Of the transmission gears 173 and 166, the switching gear 184 is rotated in the direction of escaping from the other transmission gears 173 and 166. Due to the load of 166, the meshing with this one gear cannot be maintained. Accordingly, the switching gear 184 rotates the gear support lever 183 in a direction away from one gear. When the gear support lever 183 is slightly rotated in the direction away from one of the fourth and fifth transmission gears 173 and 166, the switching gear 184 meshes with the rack gear 179. Therefore, the switching gear 184 is engaged with the second transmission gear 160 and the rack gear 179, and is selected from the fourth and fifth transmission gears 173 and 166 according to the rotation direction of the second transmission gear 160. It is moved until it meshes with the other gear.

  When the switching gear 184 is not meshed with any of the fourth and fifth transmission gears 173 and 166, the switching gear 184 is meshed with the rack gear 179, and the second transmission gear 160 is rotated. Then, the second transmission gear 160 is moved until it meshes with any one of the fourth and fifth transmission gears 173 and 166 according to the rotation direction of the second transmission gear 160.

  That is, in the tape recorder of the present embodiment, the fast-forward mode or the rewind mode is executed by driving the drive motor 119 in the normal rotation or reverse rotation while the stop mode is set.

Then, the tape recorder of this embodiment, recording a reproduction mode is selected in the forward mode or reverse mode, the solenoid plunger 301 is turned ON, the plunger rod 377 is projected in the arrow K ₁ direction in FIG. 15, the rotating lever 199 There is rotated 15 in the arrow C ₁ direction by the urging force of the torsion coil spring 368 to rotate the gear movement lever 175 in FIG. 15 in the arrow L ₁ direction against the urging force of the torsion coil spring 368. The switching gear 184 is separated from the second transmission gear 160 by the rotation of the gear moving lever 175.

  That is, in this tape recorder, when the solenoid plunger 301 is turned on, the switching gear 184 is separated from the second transmission gear 160 before the cam gear 320 is rotated.

Then, the cam gear 320 is rotated operated, when the recording and reproduction mode in the forward mode or reverse mode is set, the rotation of the cam gear 320, rotating lever 199 is rotated in the arrow L ₂ direction in FIG. 16 Initial returned to the position, the solenoid plunger 301 is a plunger rod 377 in the OFF state is moved in the arrow _{K 2} direction in FIG. 16, the operation mode select lever 118 is operated to move in 16 arrow _{N 1} direction.

In FIG. 16, when the recording / reproducing mode is set and the rotating lever 199 returns to the initial position, the gear moving lever 175 receives the urging force of the torsion coil spring 368 to engage the switching gear 184 with the second transmission gear 160. While being rotated biased in the initial position direction of arrow L ₂ direction, rotating in the initial position direction is restricted by the movement restricting lever 197. That is, the movement restricting lever 197, when the operation mode switching lever 118 is operated to move from the state in the arrow N ₁ direction or the arrow N ₂ direction in FIG. 14 in the supported neutral position by the coil spring 186 twisting, as shown in FIG. 16 in the engagement protrusion 349 is brought into contact with a position separated from the concave portion 348a of the second contact piece 348 is moved in the arrow _{M 1} direction in FIG 16. The movement restricting lever 197 brings the switching gear 184 away from the second transmission gear 160 by bringing the first abutting piece 347 into contact with the pressing operation piece 372 of the gear moving lever 175. The position of the gear moving lever 175 is held.

That is, in the tape recorder of the present embodiment, when the recording / reproducing mode is set in the forward mode or the reverse mode, the switching gear 184 is separated from the second transmission gear 160. The switching gear 184 is pressed against the second transmission gear 160 when the operation mode switching lever 118 is in the neutral position and the rotation lever 199 is in the initial position, so that the second transmission gear 160 is pressed. Mesh again.
[5] Lid Locking Mechanism Next, a lid locking mechanism for locking the lid 5 that opens and closes the cassette mounting portion 4 in the closed position will be described.

This lid locking mechanism is arranged at the other short side facing the short side of the recorder body 1 on which the hinge portion for supporting the lid 5 is arranged, that is, the position facing the open end of the lid 5. Has been. As shown in FIGS. 7 to 9, 23, 25, and 26, the lid lock mechanism is configured by an eject operation lever 108 and a lock lever 23 that engages with the lid 5. The eject operation lever 108 is disposed on the chassis 6 by inserting a pair of long holes 132 and 133 having a long diameter in the moving direction into the slide guide pins 124 and 123 planted in the chassis 6, thereby providing the long holes 132. in the range of 133, it is made movable in direction of arrow _{F 1} and the arrow _{F 2} direction in FIG 23. A pressing operation piece 22 is bent at one end of the eject operation lever 108 facing outward from the short side of the recorder body 1.

As shown in FIGS. 8 and 9, the eject operation lever 108 is supported by a coil portion on a spring support portion 145 formed on the eject operation lever 108, and one arm portion 109 a is formed on the chassis 6. to engage with the spring locking pieces 146, the other arm portion 109b of the eject operation lever 108 locked so the spring locking pieces 108a formed in Figure 23 by a torsion coil spring 109 which is mounted by the arrow F ₂ direction recorder body It is biased to move in a direction protruding from 1. Then, the eject operation lever 108, by pressing the operation piece 22 is pressed, still to undergo movement operation against the biasing force inwardly in FIG. 23 in direction of arrow F ₁ of the recorder body 1 of the torsion coil spring 109 The pressing operation piece 22 of the eject operation lever 108 is pressed via an eject button 73 attached to the outer frame 3.

  The other arm portion 109 b of the torsion coil spring 109 that urges the eject operation lever 108 is further extended from a spring locking piece 108 a formed on the eject operation lever 108, and rotates via a support shaft 111 that is planted on the chassis 6. It is engaged with an engagement piece 342 formed at one end of the eject lever 110 that is attached.

Then, the eject lever 110, the pressing operation piece 22 through the eject button 73 is pressed, is moved in Fig 8 the direction of arrow F ₁ against the urging force of the eject operation lever 108 is torsion coil spring 109, is pressed by the other arm portion 109b of the torsion coil spring 109, about the support shaft 111 is rotationally operated in the arrow G ₁ direction in FIG.

Moreover, the lock lever 23 is slidably attached to the side plate 2 along the short side of the chassis 6 as shown in FIGS. 6, 25 and 26. As shown in FIGS. 25 and 26, the lock lever 23 is inserted into the pair of support pins 101 and 102 planted in the side plate 7 through the first and second long holes 103 and 104. the middle arrow H ₁ direction and the arrow H ₂ direction are movably supported on the side plate 7. The lock lever 23, the compression coil spring 137 interposed between the side plates 7, the locking piece 24 is moved biased in FIGS. 25 and 26 in an arrow arrow H ₁ in the direction to engage the engaging portion 100 ing. The lock lever 23 is formed with a lock piece 24 that relatively engages with an engagement portion 100 provided on the open end side of the lid 5. The lock lever 23 locks the lid 5 in the closed position when the lock piece 24 engages with the engaging portion 100.

By the way, the first elongated hole 103 formed in the lock lever 23 is formed to be inclined with respect to the main surface of the chassis 6 as shown in FIGS. when a is slid in a direction disengaging relative engagement portion 100, the second 25 and 26 in an arrow H ₁ direction and so as to pivot about the support pin 102 which is inserted into the elongated hole 104 moves in the arrow _{H 2} direction. Accordingly, the amount of movement of the lock lever 23 when the lock piece 24 and the engagement portion 100 are engaged and disengaged can be reduced, and the lid lock mechanism can be downsized.

  The engaging portion 100 provided on the lid 5 side is integrally formed on a part of a decorative plate 5 a formed of a synthetic resin or a metal plate attached to the tip of the lid 5.

Further, a pressing piece 143 is provided at one end of the lock lever 23 so as to face the pressing operation piece 144 formed on the eject lever 110. Then, the lock lever 23 that locks the lid 5 at a position that engages the lock piece 24 with the engaging portion 100 and closes the cassette mounting portion 4 formed on one main surface side of the chassis 6 is an eject operation lever. 108 is moved operated in direction of arrow F ₁ in FIG. 8 against the biasing force of the torsion coil spring 109, the eject lever 110 is rotated in the arrow G ₁ direction in FIG. 9, the pressing operation is formed on the eject lever 110 The pressing piece 143 is pressed through the piece 144. By pressing piece 143 is pressed, the lock lever 23, against the urging force of the compression coil spring 137 is moved in FIG. 25 in an arrow H ₂ direction, releases the engagement with the engaging portion 100 of the lock piece 24 Then, the lid 5 can be opened.

By the way, when the recording and / or reproducing mode is selected, the movement of the lock lever 23 is restricted by the operation mode switching lever 118 constituting the operation mode switching mechanism even if the ejection operation lever 108 is moved. Then, the engagement state between the lock piece 24 and the engagement portion 100 is maintained, and the opening operation of the lid 5 is restricted. That is, at the other end of the operation mode switching lever 118, as shown in FIGS. 7 and 8, a rotation restricting piece 122 is formed facing one side of the eject lever 110, and the support shaft of the eject lever 110 is formed. 111 in FIG. 8 and 9 around the are adapted to restrict the rotation in the eject direction of the arrow G ₁ direction.

The movement, the tape recorder of this embodiment is set to the recording mode, against the biasing force of the operation mode select lever 118 is the torsion coil spring 186, in FIGS. 11 and 12 in the arrow B ₁ direction or B ₂ Direction when placed in state, rotation restriction member 122 is opposed to one side of the eject lever 110, prohibits the eject operation to regulate the FIGS. 11 and 12 in an arrow G ₁ direction of rotation of the eject lever 110 To do. By restricting the rotation of the eject lever 110, the movement of the lock lever 23 is also restricted, and the opening operation of the lid 5 is restricted.

When the tape recorder according to the present embodiment is set to any one of the stop mode, fast forward mode, rewind mode, or music selection mode, the operation mode switching lever 118 is provided with the torsion coil spring as described above. Under the biasing force of 186, it is placed in the neutral position. At this time, rotation restriction member 122 formed to the operation mode select lever 118 is opposed to the notch 121 formed on one side of the eject lever 110, the eject lever 110 FIGS. 11 and 12 in an arrow _{G 1} direction Allows rotation and eject operation.

  When the eject operation lever 108 is pressed in a state where the rotation of the eject lever 110 is restricted, the torsion coil spring 109 is elastically displaced to absorb the pressing force, and a large load is applied to the eject lever 11. It regulates that.

Then, in order to perform the opening operation of the cover body 5 in a closed position closing the cassette loading portion 4, in FIGS. 11 and 12 of the eject lever 110 to eject operation lever 108 by pressing the arrow G ₁ direction rotation operation Is performed, the magnetic head 9 is moved to a position where it has left the cassette mounting portion 4 that does not contact the tape cassette 201 held by the cassette holder 8 before the lid 5 starts to rotate in the opening direction. . That is, as shown in FIGS. 8 and 9, the eject lever 110 is provided with an engagement pin 112 engaged with an engagement hole 113 provided in the rear end side portion of the head positioning lever 117. When the eject lever 110 is rotated by the eject operation lever 108 via the torsion coil spring 109, the head positioning lever 117 is retracted via the engagement pin 112, and the head support substrate 13 of the head positioning lever 117 is recovered. The engagement with respect to is released.

  As shown in FIG. 22, the opening operation of the lid 5 is performed by the urging force of the tension spring 64 and the spring 138 when the lock lever 23 is unlocked. The start of the opening operation of the lid 5 and the timing of retracting the magnetic head 9 to the retracted position from the cassette mounting portion 4 are the shape of the eject lever 110, the eject lever 110, the lock lever 23, and the operation mode. It is defined by the positional relationship of the switching lever 118.

The eject operation button 73 for operating the lid lock mechanism to open and close the lid 5 is provided on the recorder body 1 that rotatably supports the lid 5 as shown in FIGS. 2 to 5 and 24. It is arrange | positioned in the front which faces the other short side which opposes one short side. Further, on the front side of the recorder main body 1 on which the eject operation button 73 is disposed, as shown in FIG. 24, a forward / reverse switching switch 135 for switching the traveling direction of the magnetic tape 206, a recording / reproducing system switching switch 136, and A volume 134 for adjusting the reproduction volume is provided.
[6] Cassette Holder Next, the cassette holder 8 constituting the cassette holding mechanism for operating the cassette mounting unit 4 to mount the tape cassette 201 and holding the tape cassette 201 on the cassette mounting unit 4 will be described.

  As shown in FIGS. 6, 20, 21, and 23, the cassette holder 8 that constitutes the cassette holding mechanism has a pair of left and right support shafts 34 provided on both sides of the base end side and a short side of one side plate 7. By being inserted through insertion holes 27 formed in a pair of left and right support pieces 26 formed on both sides of the side, the pair of support pieces 26 are supported so as to be rotatable about a support shaft 34 as a rotation center. As shown in FIG. 28, the support piece 26 is provided with a restricting piece 30 that restricts a rotation range around the support shaft 34 of the cassette holder 8. The restricting piece 30 is engaged with a turning range restricting groove 32 formed in an arc shape around the support shaft 34 on the base end side of the cassette holder 8 to restrict the turning range of the cassette holder 8. .

  The cassette holder 8 is formed in a rectangular shape corresponding to the planar shape of the tape cassette 201 inserted therein, and has a L-shaped cross section on a pair of opposing long sides. The first and second cassette holders 60 and 61 bent in this way are formed. The cassette holder 8 has a support shaft 34 projecting from one of a pair of opposing short sides, that is, the base end side, and the support shaft 34 is supported by the support piece 26 so as to rotate to the recorder holder 1. It is mounted movably. A cassette insertion / removal port is formed on the other short side of the cassette holder 8, that is, on the tip side.

  The tape cassette 201 is inserted into and removed from the cassette holder 8 through the cassette insertion / removal port, with one of the pair of opposing short sides as the insertion end. The tape cassette 201 inserted into the cassette holder 8 is held between the first and second cassette holders 60 and 61. The tape cassette of the second cassette holding part 61 that supports the back side facing the front side in which the magnetic head insertion hole 206 or the like which is the other of the pair of long sides facing each other of the tape cassette 201 of the cassette holder 8 is formed. A cassette holder 58 is disposed on the inner side where 201 is inserted. The cassette holder 58 is formed by bending a thin metal plate so as to have a U-shaped cross section, and is a length that holds the tape cassette 201 over substantially the entire insertion / removal range of the tape cassette 201 with respect to the cassette holder 8. It is formed to have a thickness.

  Further, as shown in FIG. 22, the cassette holding body 58 is supported by the second cassette holding portion 61 by supporting the intermediate portion via the supporting shaft 59, thereby supporting the supporting shaft 59 with respect to the second cassette holding portion 61. It can be swung around. Since the cassette holder 58 has a length that extends over the insertion / removal range of the tape cassette 201 with respect to the cassette holder 8, the cassette holder 58 can be reliably inserted into and removed from the cassette holder 8. Further, the cassette holder 58 swings around the support shaft 59 when the tape cassette 201 held in the cassette holder 8 is mounted on the cassette mounting portion 4, so that the tape cassette held in the cassette holder 8 is swung. The position of the positioning pin 15, 16, capstan shaft 17, 18, etc. is surely inserted into the tape cassette 201 by controlling the posture of the 201.

  The lid 5 is pivotally attached to the cassette holder 8 by pivotally supporting both sides on the base end side with a pair of left and right support shafts 35 protruding from both sides on the base end side of the cassette holder 8. It has been. A set screw 72 is screwed onto the tip of the support shaft 35 to prevent the cover 5 from coming off from the support shaft 35. In addition, when the cassette 5 is rotated in a direction to open the cassette mounting portion 4 on the pair of opposite long sides of the lid 5, the cassette holder 8 can be rotated following the rotation operation. Therefore, an engaging claw that engages with the cassette holder 8 is provided. Further, the engaging claw regulates the rotation range of the lid 5 with respect to the cassette holder 8. The rotatable range of the lid 5 with respect to the cassette holder 8 is several degrees to 10 degrees or less.

  Further, first and second leaf springs 51 and 52 are attached to the upper surface side of the cassette holder 8. The first leaf spring 51 is provided with a cassette pressing piece 51 a that is attached to the base end side of the cassette holder 8 and protrudes inward of the cassette holder 8 through a through hole 130 formed in the cassette holder 8. Yes. The second leaf spring 52 is attached to the front end side of the cassette holder 8 and is provided with a cassette pressing piece 54 that protrudes inward of the cassette holder 8 through a through hole 128 formed in the cassette holder 8. Yes. Each of the cassette pressing pieces 51a and 54 of the first and second leaf springs 51 and 52 is such that the held tape cassette 201 inserted into the cassette holder 8 is rotated together with the cassette holder 8 to the cassette mounting portion 4 side. When mounted on the cassette mounting portion 4, the flat surface of the tape cassette 201 is pressed and supported. The tape cassette 201 is pressed and supported by the cassette pressing pieces 51 a and 54, so that the tape cassette 201 is positioned and mounted on the cassette mounting portion 4.

  Further, in addition to the cassette pressing piece 54, the second leaf spring 52 is provided with a lid pressing piece 53 that protrudes toward the lid body 5 disposed on the cassette holder 8. The lid pressing piece 53 elastically biases the lid 5 with respect to the cassette holder 8, so that the cassette holder 8 is removed from the lid 5 when the lid 5 is rotated in a direction to open the cassette mounting portion 4. Separate.

Further, the lid 5 is attached to the recorder body 1 by being urged to rotate in a direction to open the cassette mounting portion 4. As shown in FIG. 22, the inner surface of one long side of the lid 5 is pivotally supported by one support shaft 35 provided on the cassette holder 8 that rotatably supports the lid 5. A fixed arm 66 is attached. A proximal end side of the connecting arm 65 is rotatably supported at a distal end portion of the fixed arm 66 via a support shaft 67. One end side of the rotating arm 62 is rotatably supported on the distal end side of the connecting arm 65 via a support shaft 68. The pivot arm 62 is supported at the center portion by a side plate 7 via a support shaft 69 so as to be pivotable, and a spring locking portion 63 is formed on the other end side. A tension spring 64 is stretched between the spring locking portion 63 and a spring locking claw 127 formed on the side plate 7. The tension spring 64, the pivot arm 62, with pivots 22 in the arrow P ₁ the direction of the direction of one end side which is the supporting side to the connecting arm 65 is separated from the cassette loading portion 4 side of the pivot arm 62 It was energized, and pivotally urged the lid 5 in FIG. 22 in the opening direction of the arrow J ₁ direction. Note that the fixed arm 66 is fixed to the lid 5 with a screw 70.

  Further, as shown in FIG. 2, the lid 5 is provided with a window 71 through which a part of the tape cassette 201 mounted on the cassette mounting portion 4 is seen through.

Further, the chassis 6 presses the side surface of the base end side of the lid 5, the leaf spring 138 for urging the lid 5 in FIG. 22 in the opening direction of the arrow J ₁ direction is attached. The leaf spring 138 is separated by the lid body 5 when the lid body 5 is rotated to the open side by a predetermined angle or more with respect to the chassis 6, so only at the initial stage when the lid body 5 is opened. Rotating force is applied.

A cassette discharge lever 44 is slidably attached to the cassette holder 8. As shown in FIGS. 6 and 20, the cassette discharge lever 44 is formed in a flat plate shape, and is provided with slide guide grooves 48 and 49 having a long diameter in the sliding direction. By inserting and supporting the support pins 42 and 43 planted in the holder 8, the support pins 42 and 43 can be slid in the directions of the arrows S ₁ and S ₂ in FIG. It has been. The base end of the cassette discharge lever 44 is moved by the tape cassette 201 inserted into the cassette holder 8 to move the cassette discharge lever 201 and is held by the cassette holder 8. A pressing operation piece 57 that presses the end surface of the tape cassette 201 that is inserted into the cassette holder 8 on the insertion end side is formed. The pressing operation piece 57 faces the base end side of the cassette holder 8 and is bent toward the cassette mounting portion 4 side. The cassette discharge lever 44 is held in the cassette holder 8 by a tension spring 46 stretched between a spring locking piece 45 bent in the middle and a spring locking piece 47 provided in the cassette holder 8. is biased to the tape cassette 201 is in FIG. 20 in an arrow S ₁ direction in a direction to discharge from the cassette holder 8.

When the tape cassette 201 is inserted into the cassette holder 8, the cassette discharge lever 44 resists the biasing force of the tension spring 46 by the pressing operation piece 57 being pressed by the end surface on the insertion side of the tape cassette 201. in Figure 20 is moved in the arrow S ₂ direction in.

The cassette eject lever 44, the lid 5 is opened operation, the cassette holder 8 is rotated in a direction away from the cassette loading portion 4, the tensile 20 arrow S ₁ receives the urging force of the spring 46 The end of the tape cassette 201 on the insertion side is pressed by the pressing operation piece 57, and the tape cassette 210 is protruded in the direction to be ejected from the cassette holder 8.

  As shown in FIG. 28, when the tape cassette 201 is inserted into the cassette holder 8, the cassette discharge lever 44 is moved from the cassette holder 8 in the vicinity of the support shaft 35 that rotatably supports the lid 5. A lock mechanism is provided for locking in the retracted position. That is, the lock mechanism holds the cassette discharge lever 44 at a position where the tape cassette 201 inserted and held in the cassette holder 8 is not pressed against the urging force of the tension spring 46. This lock mechanism is inserted into a support shaft 35 that rotatably supports the lid body 5 through an insertion hole 37 formed on the base end side, and a lock lever that is rotatably mounted around the support shaft 35. 36. The lock lever 36 is positioned on the inner surface side of the lid 5 and the cassette holder 8 and extends toward the inside of the cassette mounting portion 4. The lock lever 36 includes a first locking portion 38 formed on a surface facing the inner surface side of the lid 5 and a second locking portion 39 formed so as to protrude upward with respect to the chassis 6. And are formed.

The lock lever 36, the torsion coil spring 41 wound around the support shaft 35, and is rotationally biased in Figure 28 in the arrow J ₂ direction, which is the opening direction of the lid 5. That is, the first locking portion 38 is urged to rotate in a direction close to the cassette discharge lever 44 disposed in the cassette holder 8. Further, the lock lever 36 causes the abutment portion 40 on one end side to abut on the rotation restricting piece 33 formed on the side surface of the cassette holding portion 60 provided on the base end side of the cassette holder 8, thereby torsion coil spring 41. The rotation urging position by is regulated.

The lock lever 36 receives the urging force of the torsion coil spring 41, and when the lock lever 36 is in the initial position shown in FIG. in the provided locking pieces 50 in the cassette eject lever 44 is engaged to lock the position moved in FIG. 20 in the arrow S ₂ direction against the biasing force of the spring 46 pulling the cassette discharge lever 44. As shown in FIG. 6, the locking piece 50 is formed at the distal end of an extension piece that is extended to one side of the proximal end side of the cassette discharge lever 44. When the cassette discharge lever 44 is locked to the lock lever 36, the pressing operation piece 57 provided on the cassette discharge lever 44 is in a position where it is retracted from the cassette holder 8. Further, when the engagement of the locking piece 50 with the first locking portion 38 is released, the cassette discharge lever 44 receives the biasing force of the tension spring 46 and moves the pressing operation piece 57 into the cassette holder 8. in Figure 20 is moved in the arrow _{S 1} direction.

  Incidentally, the lock lever 36 is in an initial position where the contact portion 40 is brought into contact with the rotation restricting piece 33 when the lid 5 is in the open position shown in FIG. 28 where the cassette mounting portion 4 is opened.

Then, the tape cassette 201 is inserted into the cassette holder 8 which is turned to the position where the lid 5 is in the open position and the cassette insertion / removal port faces the outside of the recorder body 1. When pressing the pressing operation piece 57 at the end face side, the cassette eject lever 44 against the biasing force of the tension spring 46, is moved in the arrow S ₂ direction in FIG. 20, the locking piece 50 of the lock lever 36 the distal end portion 38a of the first locking portion 38 is pressed, the lock lever 36, about the support shaft 35 rotates in the direction of arrow X ₁ in FIG. 28 against the biasing force of the torsion coil spring 41. Further the tape cassette 201 from which insert inwardly of the cassette holder 8, is further moved in FIG. 20 in an arrow S ₂ direction against the biasing force of the spring 46 pulling the cassette eject lever 44, the locking piece 50 Get over the tip 38a of the first locking portion 38. Then, the lock lever 36 receives the urging force of the torsion coil spring 41 rotates back to the anti-mark X ₂ direction in FIG. 28, to engage the engaging piece 50 to the first engaging portion 38. When the locking piece 50 is locked to the first locking portion 38, the cassette discharge lever 44 is a cassette in which the pressing operation piece 57 is separated from the insertion side end surface of the tape cassette 201 inserted and held in the cassette holder 8. It is locked at a position where it has left the holder 8.

Further, when the lock lever 36 rotates about the support shaft 35, the lock lever 36 rotates so as to face the rotation locus of the second locking portion 39 formed on the distal end side of the lock lever 36. A rotation restricting plate 29 formed by an elastically displaceable leaf spring that restricts the rotation is provided. The rotation restricting plate 29 is formed in an L shape by projecting the rotation restricting portion 29b from the front end of the vertical portion 29a to the side. The rotation restricting plate 29 bends a part of the chassis 6 at the base end portion of the vertical portion 29a so that the rotation restricting portion 29b faces the rotation locus of the second locking portion 39. It is fixedly attached to the rising piece 28 formed as described above. That is, the rotation restricting plate 29, around the proximal end portion of the fixed to the rising piece 28 vertical portion 29a, have been made elastically displaceable in an arrow V ₁ direction in FIG 28.

After insertion hold the tape cassette 201 into the cassette holder 8 as described above, when gradually rotates the lid 5 in an arrow J ₂ direction in FIG. 28 for closing the cassette loading portion 4, the second lock lever 36 The front end of the locking portion 39 comes into contact with a rotation restricting portion 29 b provided on the rotation restricting plate 29. Furthermore, the gradually rotates the cover 5 in Fig. 28 arrow J ₂ direction, rotation restricting plate 29 lock lever 36 is elastically displaced in the pushed in Figure 28 with the arrow V ₁ direction. When the lid 5 is rotated together with the cassette holder 8 to the position where the cassette mounting portion 4 is closed, the contact of the lock lever 36 with the rotation restricting plate 29 is released, and the second locking portion 39 is rotated. Projecting to the lower surface side of the movement restricting portion 29b. When the contact of the rotation restricting plate 29 of the lock lever 36 is released, the rotation restriction plate 29 is elastically restored to the arrow V ₂ direction in FIG. 28, the second locking portion 39 is rotation restricting portion 29b Engage with.

The lock lever 36, the lid 5 is the cassette loading portion 4 28 arrow X ₁ against the urging force of the coil spring 41 torsion on the way to be rotated in 28 arrow J ₁ direction to open the The cassette ejection lever 44 is unlocked by rotating in the direction. That is, the lock lever 36 is in a state in which the second locking portion 39 is locked to the rotation restricting plate 29 when the lid 5 is in a position to close the cassette mounting portion 4. Then, the lid 5 and will be rotated in Fig. 28 arrow J ₁ direction to open the cassette loading portion 4, the lock lever 36 in FIG. 28 against the biasing force of the torsion coil spring 41 arrow It is rotated in the X ₁ direction. The lid 5 is further rotated, and the tape cassette 201 held by the cassette holder 8 that rotates integrally with the lid 5 is rotated to a position where the tape cassette 201 is detached from the first and second capstan shafts 17 and 18. Then, the locking of the cassette discharge lever 44 to the locking piece 50 by the first locking portion 38 is released. When the locking by the lock lever 36 of the cassette eject lever 44 is released, the cassette eject lever 44 is pulled by the urging force of the spring 46, moves in 20 arrow S ₁ direction, by the pressing operation piece 57 The tape cassette 201 is pressed in the direction in which it is ejected from the cassette holder 8.

When the lid 5 further rotates in the direction to open the cassette mounting portion 4, the engagement of the second locking portion 39 with the rotation restricting portion 29 b is released, and the lock lever 36 is twisted by the torsion coil spring 41. It is rotated in 28 direction of arrow X ₂ receives the urging force of the return to the initial position. That is, the lock lever 36, the engagement of the rotation restricting portion 29b of the second holding portion 39 is further rotated in 28 in the arrow X ₁ direction by the rotation of the further lid opening direction of the lid 5 To cancel.
[7] Operation of the tape recorder The tape cassette 201 is mounted on the tape recorder of the present embodiment configured as described above, and recording of information signals such as musical tone signals on the magnetic tape 206 stored in the tape cassette 201 is performed. An operation for performing reproduction will be described.

In order to mount the tape cassette 201 on the cassette mounting portion 4 configured in the recorder main body 1, the lid 5 in the state where the cassette mounting portion 4 is closed as shown in FIGS. 2, 4, 5, and 21 is opened. Perform the operation. To open the lid 5, the eject button 73 is pressed. When the eject button 73 is pressed, the eject operation lever 108 is moved in FIG direction of arrow F _1, the eject lever 110 is operated to rotate in the arrow G ₁ direction in FIG. By rotating the eject lever 110 in the direction of arrow G _{1 in} FIG. 9, the lock lever 23 is moved in the direction of arrow H _{1 in} FIG. 25 by the eject lever 110, and the lock piece 24 is engaged with the engaging portion 100 of the lid 5. And the lock of the lid 5 is released. When the locking of the lid 5 by the lock lever 23 is released, the leaf spring 138 presses the side surface of the base end side of the cover 5, the cover 5 an arrow J ₁ direction in FIG. 22 around the support shaft 35 The cassette mounting portion 4 is rotated in a direction to open. The leaf spring 138 presses at the same time by, is rotated in 22 arrow P ₁ direction by the urging force of the pivot arm 62 the tension spring 63. When the rotating arm 62 is rotated, as shown in FIG. 21, the connecting arm 64 that is rotated around the support shaft 68 so as to be folded with respect to the rotating arm 62 is moved with respect to the rotating arm 62. It is rotated around the support shaft 68 so as to extend. In this way, the lid 5 is pivoted about the support shaft 35 as shown in FIG. 22 by rotating the pivoting arm 62 and the connecting arm 64 in the folded state so as to extend from each other. The mounting portion 4 is rotated to a position where it is opened.

When the lid 5 is rotated in the direction to open the arrow J ₁ direction of the cassette loading portion 4 Figure 22, rotating the cassette holder 8 connected through the engagement pawl to the cover body 5 in the same direction Is done. That is, when the cover body 5 is rotated in the arrow J ₁ direction in FIG. 22, the cassette holder 8 is also around the support shaft 34 is rotated in a direction away from the cassette loading portion 4 along with the cover 5, FIG. 22 As shown in FIG. 2, the cassette insertion / removal port on the leading end side where the tape cassette 210 is inserted / removed is exposed to the outside of the recorder main body 1.

  The lid 5 is opened as described above, and the tape cassette 201 is mounted with the cassette insertion / removal opening of the cassette holder 8 facing outward. The tape cassette 201 having a rectangular planar shape is inserted into the cassette holder 8 through the cassette insertion / removal opening with one of a pair of opposing short sides as insertion ends. At this time, the tape cassette 201 is oriented so that the magnetic head insertion hole 207 and the like and a part of the magnetic tape 206 facing outward face the magnetic head 9 provided in the recorder body 1. Then, it is inserted into the cassette holder 8.

When the tape cassette 201 is inserted into the cassette holder 8, the cassette discharge lever 44 attached to the cassette holder 8 is pressed by the tape cassette 201 to resist the biasing force of the tension spring 46 and move inward of the cassette holder 8. It is moving operation in Fig. 20 arrow S ₂ direction. When the tape cassette 201 is inserted to the proper insertion position of the cassette holder 8, the cassette discharge lever 44 causes the locking piece 50 to be locked to the first locking portion 38 of the lock lever 36, and the tension spring 46. In the extended state, the cassette holder 8 is locked at the position moved inward.

When the tape cassette 201 is inserted into the cassette holder 8 and held by the cassette holder 8, the lid 5 is rotated together with the cassette holder 8 in the direction of arrow J _{2 in} FIG. The first and first capstan shafts 17 and 18 are respectively inserted into capstan insertion holes 213 and 213 provided in the tape cassette 201 held by the holder 8, and the tape reel is inserted through the reverse shaft insertion holes 210 and 211. The reel drive shafts 19 and 20 are engaged with the reel hubs 202a and 203a of 202 and 203, and the positioning pins 15 and 16 are inserted into the positioning holes 214 and 214, respectively. When the lid 5 is rotated to a position where it closes the cassette mounting portion 4, the tape cassette 201 inserted and held in the cassette holder 8 has the positioning pins 15, 16 provided on the cassette mounting portion 4 side and the height. The mounting position on the cassette mounting portion 4 is positioned by being supported by the positioning pins.

  Further, when the lid 5 is rotated to a position where the cassette mounting portion 4 is closed, the engaging portion 100 engages with the lock piece 24 of the lock lever 23, so that the lid 5 closes the cassette mounting portion 4. Locked to the position. At this time, the tape cassette 201 inserted and held in the cassette holder 8 is pressed and supported on the chassis 6 side by the cassette pressing pieces 51 a and 52 a of the first and second leaf springs 51 and 52 provided in the cassette holder 8. As a result, the positioning pins 15 and 16 and the height positioning pins are pressure-bonded, whereby accurate positioning is achieved and the state where the cassette mounting portion 4 is mounted is maintained.

  After the tape cassette 201 is mounted on the cassette mounting section 4 as described above, the pressing section for selecting various operation modes of the tape recorder provided on the operation button 74 provided on the player body 1 is pressed. When the pressing unit is pressed, the tape recorder selects an operation mode corresponding to the pressed unit. That is, the tape recorder records the information signal in the forward mode or the reverse mode in which the magnetic tape 206 is moved in the forward direction or the reverse direction to record and / or reproduce the information signal in accordance with the pressed part. The information signal is recorded and / or reproduced with respect to the magnetic tape 206 by being set to the reproduction mode. Alternatively, the tape recorder travels the magnetic tape 206 at a high speed, and selects a music selection mode for detecting a music, which is an information signal recorded on the magnetic tape 206, or fast-forwarding for operating the magnetic tape 206 to a tape reel on the take-up side at a high speed. The mode is set to a rewind mode in which the magnetic tape 206 is rewinded to the supply-side tape reel, and operations corresponding to these operation modes are performed.

The tape recorder operates when the magnetic tape 206 is driven at a constant speed and a recording and / or reproducing mode that enables recording and / or reproducing of an information signal is selected on the magnetic tape 206. in the state of being moved from the neutral position against the biasing force in FIG. 11 in the arrow B ₁ direction or B ₂ direction mode switching lever 118 is a torsion coil spring 186, rotation restriction member 122 provided on the switching lever 118 Faces one side of the eject lever 110, and the operation of the eject lever 110 is prohibited. Therefore, when the recording and / or playback mode is selected, even if the eject button 73 is pressed, the movement operation of the eject lever 110 is restricted and the opening operation of the lid 5 is prohibited. Since the opening operation of the lid 5 is restricted, the cassette holder 8 maintains the state where it is rotated toward the cassette mounting portion 4 and maintains the state where the tape cassette 201 is mounted on the cassette mounting portion 4. To do.

  In this manner, the magnetic head 9 advances to the cassette mounting portion 4 side, enters the tape cassette 201, and performs an eject operation in the recording and / or reproducing mode in which the magnetic tape 206 is running at a constant speed. Since the prohibition is performed, it is possible to surely protect the mechanism units constituting the recording / reproducing unit of the tape recorder such as the magnetic head 9 and the pinch rollers 11 and 12.

  Then, after recording and / or reproducing information signals such as desired music on the magnetic tape 206 of the tape cassette 201 mounted on the cassette mounting unit 4, the operation button 74 is operated to press the pressing unit corresponding to the stop mode. Then, when the tape recorder is stopped and then the eject button 73 is pressed, the lid 5 is opened and the cassette holder 8 is separated from the cassette mounting portion 8 as described above.

By the way, when the eject button 7 is pressed, the cassette holder 8 is rotated around the support shaft 34 in the direction away from the cassette mounting portion 4 together with the lid 5, and the tape cassette 201 held by the cassette holder 8 is moved to the first position. When the first and second capstan shafts 17 and 18 and the positioning pins 15 and 16 are disengaged and the cassette insertion / removal port on the front end side faces the outside of the recorder main body 1, the lock lever 36 biases the torsion coil spring 36a. against, is rotated in the rotational direction opposite to the direction of FIG. 28 in the direction of arrow X ₁ of the lid 5 about the support shaft 35 of the lid 5. When the lock lever 36 is rotated in the direction opposite to the rotation direction of the lid body 5, the engagement piece 50 provided on the cassette discharge lever 44 is engaged with the first engagement portion 38 provided on the lock lever 36. Is released, and the cassette ejection lever 44 is unlocked. When the locking of the cassette eject lever 44 by the lock lever 36 is released, the cassette eject lever 44 is pulled by the urging force of the spring 46 moves in the arrow S ₁ direction in FIG 20, the tape cassette by the pressing operation piece 57 The end surface on the insertion side of 201 is pressed, and the tape cassette 210 is protruded in the direction to be ejected from the cassette holder 8. At this time, the tape cassette 201 is placed in a state in which the other short side 209d facing the short side 209c on the insertion side is protruded from the cassette holder 8. Therefore, the user can easily take out the tape cassette 201 by gripping the portion protruding from the cassette holder 8.

  The tape recorder to which the present invention is applied may not only be capable of both recording and reproducing information signals, but may be only capable of reproducing only information signals recorded on a tape-like recording medium. Furthermore, the present invention can also be applied to a tape recorder with a built-in radio receiver.

It is a perspective view which shows the tape cassette used as a recording medium of the tape recorder based on this invention. It is the perspective view which looked at the tape recorder which concerns on this invention from the side by which the cover body was arrange | positioned. FIG. 3 is a perspective view showing a state in which a lid of the tape recorder shown in FIG. 2 is opened. It is the perspective view which looked at the tape recorder which concerns on this invention from the side by which the operation button was arrange | positioned. It is a perspective view which shows the state which faced the operation button covered with a chassis board to the outward. 1 is an exploded perspective view showing a tape recorder according to the present invention. It is a disassembled perspective view which shows the mode switching mechanism comprised in a recorder main body. It is a top view which shows the other main surface of a chassis. It is a top view which shows the mode switching mechanism of a tape recorder. It is a top view which shows the principal part structure of a mode switching mechanism. It is a top view of the mode switching mechanism which shows the state as which the recording and / or reproduction | regeneration mode in the forward mode was selected. It is a top view of the mode switching mechanism which shows the state in which the recording and / or reproduction | regeneration mode in reverse mode was selected. It is a top view of the mode switching mechanism in a stop mode. It is a top view which shows the peripheral part of the gear movement lever which comprises a mode switching mechanism. It is a top view which shows the state by which the solenoid plunger which moves-operates a gear movement lever was act | operated. It is a top view which shows the movement position of the gear movement lever when recording and / or reproduction | regeneration modes are selected. It is a top view which shows the switching gear which switches a tape running direction. It is a top view of one main surface side of the cam gear which comprises a mode switching mechanism. It is a top view which shows the other main surface side of the cam gear shown in FIG. It is a top view which shows the cassette holder which comprises the tape recorder which concerns on this invention. It is a side view which shows the attachment state of a cover body and a cassette holder. It is a side view which shows the state which open | released the cassette mounting part. It is a principal part top view which shows the locking mechanism of a cover body. It is a front view which shows the front which shows the eject button which open-operates a cover body. It is a front view which shows the locking mechanism of a cover body. It is a front view which shows the state by which the lock | rock of the cover body was cancelled | released. It is a side view which shows the state which mounted | wore the cassette mounting part with the tape cassette. It is a side view which shows the locking mechanism which locks a cassette discharge lever.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recorder body, 2 Housing, 4 Cassette mounting part, 5 Cover body, 6 Chassis, 5 Cover body, 8 Cassette holder, 9 Magnetic head, 23 Cover lock lever, 44 Cassette discharge lever, 73 Eject operation button, Eject operation Lever, 110 eject lever,
201 tape cassette

Claims (13)

A main body whose plane is formed in a rectangular shape;
A recording and / or reproducing means provided on the main body for recording and / or reproducing information signals on a tape-like recording medium in the tape cassette;
A tape cassette having a rectangular planar shape is inserted with one of a pair of opposing short sides as a front end in the insertion direction, and a mounting position for mounting the inserted tape cassette on the recording and / or reproducing means; A cassette holding means disposed on the short side of the main body so as to be rotatable between the tape cassette inserted into the cassette holding means and a separated position separated from the recording and / or reproducing means;
Lock means for locking the cassette holding means to the mounting position when the cassette holding means is rotated to a mounting position for mounting the tape cassette to the recording and / or reproducing means;
Provided on the short side of the main body on the insertion side of the tape cassette and pressed in the same direction as the insertion direction of the tape cassette to unlock the cassette holding means by the locking means, and hold the cassette A recording and / or reproducing apparatus, comprising: an ejecting operation means for enabling the means to rotate from the mounting position to the separated position . The recording and / or reproducing means records or reproduces an information signal on a tape-like recording medium of a tape cassette, and is movable between a position inserted in the cassette holding means and a position separated from the cassette holding means. And the apparatus further includes moving means for moving the head to the separated position when the cassette holding means moves from the mounting position to the separating position. The recording and / or reproducing apparatus according to claim 1 .   The tape cassette has a head entry opening formed on one side surface in the longitudinal direction, and the head enters the head entry opening from a direction substantially perpendicular to the insertion direction of the tape cassette into the cassette holding means. 3. The recording and / or reproducing apparatus according to claim 2, wherein the recording and / or reproducing apparatus is provided so as to enter or exit. The cassette holding means holds the first holding portion that holds one of the opposing long sides of the tape cassette and the other long side at a position where the insertion of the tape cassette is completed. A holder for holding a tape cassette provided with a second holding portion and inserted into the cassette holding means, and a recording and / or reproducing means arranged on the short side of the main body on which the cassette holding means is provided. 2. The recording and / or reproducing according to claim 1, further comprising a lid that rotates together with the holder between an open position for opening the recording medium and a closed position for closing the recording and / or reproducing means. apparatus.   The recording and / or reproducing means records or reproduces an information signal on a tape-like recording medium of a tape cassette, and is provided so as to be movable between a position inserted in the holder and a position separated from the holder. And the apparatus further includes moving means for moving the head to the separated position by moving the holder and the lid from the mounting position to the separating position. The recording and / or reproducing apparatus according to claim 4.   The apparatus further includes operating means for moving the lid to the open position, and the moving means moves the head from the inserted position to the spaced position by operating the operating means. 6. The recording and / or reproducing apparatus according to claim 5, wherein the recording and / or reproducing apparatus is performed.   5. The recording and / or reproducing apparatus according to claim 4, further comprising locking means for locking the lid body in the closed position.   The recording and / or reproducing means records or reproduces an information signal on a tape-like recording medium of a tape cassette, and is provided so as to be movable between a position inserted in the holder and a position separated from the holder. The apparatus according to claim 1, further comprising a moving unit that moves the head to the separated position by releasing the locked state of the lid by the locking unit. 8. The recording and / or reproducing device according to 7.   The apparatus further comprises blocking means for blocking an operation of unlocking the lid by the locking means when the recording and / or reproducing means is in a recording or reproducing operation. Item 8. The recording and / or reproducing device according to Item 7.   The cassette holding means discharges the tape cassette held by the cassette holding means from the cassette holding means when the cassette holding means is moved by the insertion operation of the tape cassette and the cassette holding means is moved to the separated position. 2. The recording and / or reproducing apparatus according to claim 1, further comprising a cassette moving operation means for moving in a direction.   5. An opening / closing mechanism that is attached to the main body and that is capable of freely opening and closing the lid, wherein the lid is attached to a hinge portion of the opening / closing mechanism and the cassette holder. Recording and / or playback device.   There is provided an urging means for urging the tape cassette held by the cassette holder toward the recording and / or reproducing means, and the urging means is provided on the back side of the lid body and is formed on the cassette holder. 12. The recording and / or reproducing apparatus according to claim 11, wherein the tape cassette held by the cassette holder is biased toward the recording and / or reproducing means through the opening.   The cassette moving operation means includes a moving portion that is movably provided on the cassette holding means and is operated to move by a tape cassette inserted into the cassette holder, and a tape cassette that is inserted into the cassette holder. An urging means for urging in the ejecting direction; and a lock portion for locking the moving portion at a position where the insertion of the tape cassette into the cassette holder is completed. The recording and / or reproducing apparatus according to claim 10, wherein the moving unit is unlocked when moved to the position.

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