JP3049885B2 - Cassette loading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette loading device capable of moving a cassette tape from a playing position to a take-out position.

[0002]

2. Description of the Related Art In recent years, as audio equipment has been reduced in cost, made smaller and lighter, further improvement in operability and higher quality have been required.

[0003] Even in a device equipped with a cassette tape recorder, a cassette tape is placed on a tray in order to improve operability or quality when taking out the cassette tape, and the tray is reciprocated between a playing position and a discharging position by an electric motor. In addition, a mechanism that moves the cassette tape from the storage position of the tray to the removal position at the tray discharge position, or a cassette holder system that opens and closes the cassette holder by an electric motor even in the cassette holder method, and places the cassette tape in the cassette holder at the discharge position. For example, there is a mechanism provided with a mechanism for moving from a storage position to a removal position.

[0004]

However, the above-described conventional cassette loading apparatus requires a large number of electric motors and related components, and has problems such as high cost, large size, and increased power consumption. Had.

The present invention has been made in view of the above-mentioned conventional problems, and has as its object to realize a compact and lightweight cassette loading apparatus with good operability at low cost without consuming power.

[0006]

According to the present invention, there is provided a cassette loading apparatus for holding a cassette tape and capable of reciprocatingly rotating between a cassette tape playing position and a discharging position. A first spring that constantly urges the holder toward the discharge position, a holding mechanism that holds the cassette holder at a cassette tape playing position, and an engagement portion that is held by the cassette holder and engages with the cassette tape; A slide plate capable of reciprocating sliding movement between a cassette tape storage position and a take-out position in the cassette holder, one end fixed to the cassette holder, and the other end fixed to the slide plate so that the slide plate is always in a cassette tape take-out position; A second spring biasing the cassette holder, Slidably held, yield the retracted position than the position taken out of the cassette tape the slide plate
A lock lever for holding Oite engage the accommodated state to the state held in the play position, Eject the cassette tape
During the movement from the playing position to the playing position.
Release the slide plate engaged with the
The cassette holder from the cassette tape playing position to the discharging position
And a release member that operates in a direction in which the rotation member is released when the rotation operation is performed.

[0007]

[0008]

The cassette loading device of the present invention is held by the cassette holder and has a cassette
Slide plate that engages
From the retracted position to the retracted position,
Retaining engagement in a state of being held in location, while moving from the cassette holder playing position to the discharging position direction, the slide
A cassette tape is used to hold the plate
Release when rotating from the playing position to the discharging position
At the same time, the slide plate engaged with the cassette tape is moved from the storage position in the cassette holder to the removal position by using a spring force that urges the cassette holder toward the discharge position. The cassette tape is pushed out of the cassette holder to a position where it can be easily taken out, so that an extremely operable cassette loading apparatus can be realized at low cost, small size and light weight, and without consuming power.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will now be described with reference to FIGS.
This will be described in detail with reference to FIG.

FIGS. 1 and 2 show a cassette tape playing position of a cassette loading apparatus according to a first embodiment of the present invention. FIG. 1 is a plan view thereof, and FIG.

In FIG. 1, reference numeral 1 denotes a cassette holder. The cassette holder 1 has a spindle 1a held by a set main body (not shown), is rotatable about the spindle 1a, and has a cassette tape playing position. A reciprocating rotation operation is possible between the discharge positions. Reference numeral 2 denotes a slide plate, and the hook 2a of the slide plate 2 is held in the guide groove 1b of the cassette holder 1 and is slidable in the direction of arrow B. Also,
An engagement shaft 2b for engaging with the cassette tape 3 is formed on the slide plate 2, and the engagement shaft 2b is configured to be able to penetrate through the through hole 1c of the cassette holder 1 and engage with the end 3a of the cassette tape. ing. Reference numeral 4 denotes a slide spring. One end of the slide spring 4 is a spring hook 1d of the cassette holder 1.
The other end is fixed to a spring hook 2c of the slide plate 2, and constantly biases the slide plate 2 in the direction of arrow B.
Reference numeral 5 denotes a lock lever, and the lock lever 5 is rotatable about a support shaft 1e on the cassette holder 1. The engaging hook 5a formed on the lock lever 5 is engaged with the engaging portion 2d of the slide plate 2, and holds the slide plate 2 at the cassette tape playing position. The spring portion 5b of the lock lever 5 is connected to the projection 1f of the cassette holder 1.
, A spring force is generated, and the lock lever 5 is constantly urged to rotate clockwise. Reference numeral 6 denotes a release member. The release member 6 is fixed and held on the substrate 11 of the cassette mechanism, and has a spring portion 6a that can be engaged with the engagement portion 5c of the lock lever 5. Reference numeral 7 denotes an open spring.
The other end is fixed to a set body (not shown),
The cassette holder 1 is constantly urged to rotate toward the cassette tape discharge position (clockwise). Reference numeral 8 denotes an eject rod. The eject rod 8 is slidable on the substrate 11 of the cassette mechanism, the engaging hook 8a engages with the engaging portion 1g of the cassette holder 1, and the cassette holder 1 is moved to the cassette tape playing position. Hold in state. Reference numeral 9 denotes an eject rod return spring. One end of the eject rod return spring 9 is fixed to the eject rod 8, and the other end is fixed to the substrate 11 of the cassette mechanism. Reference numeral 10 denotes a reel base, and the reel base 10 is rotatably held on a substrate 11 of a cassette mechanism. 1k is a decorative plate, and a decorative plate 1
k is fixedly held by the cassette holder 1.

The operation of the cassette loading device having the above-described configuration to move from the cassette tape playing position state to the discharge position state will be described below.

When the eject rod 8 is operated from the cassette tape playing position shown in FIG. 2 and is slid in the direction of arrow B against the urging force of the eject rod return spring 9, the engaging hook 8a of the eject rod 8 and the cassette The engagement of the engaging portion 1g of the holder 1 is released. The state at this time is shown in FIG. When the engagement between the engagement hook 8a and the engagement portion 1g is released, the cassette holder 1 starts rotating around the support shaft 1a toward the cassette tape discharge position (clockwise) by the urging force of the open spring 7, The eject rod 8 slides in the direction of arrow C by the urging force of the eject rod return spring 9, and returns to the engageable position. Cassette holder 1
During rotation of the lock lever 5 toward the cassette tape discharge position, the engagement portion 5c of the lock lever 5 comes into contact with the spring portion 6a of the release member 6. The state at this time is shown in FIG. When the cassette holder 1 further rotates, the engaging portion 5c of the lock lever 5 and the spring portion 6a of the release member 6 are in contact with each other, and the pressing force on the spring portion 6a by the engaging portion 5c causes the deformation of the spring portion 6a. Therefore, the spring portion 6a does not bend, and the lock lever 5 does not bend in the counterclockwise direction against the urging force of the spring portion 5b about the support shaft 1e of the cassette holder 1, ie, the engagement of the lock lever 5 Hook portion 5a and engaging portion 2d of slide plate 2
Starts to rotate in a direction in which the engagement with is released. The state at this time is shown in FIG. When the cassette holder 1 further rotates toward the cassette tape discharge position, the lock lever 5 rotates counterclockwise to release the engagement between the engaging hook 5a and the engaging portion 2d of the slide plate 2. Become. FIG. 6 shows the state at this time. When the engagement between the engagement hook portion 5a and the engagement portion 2d is released, the slide plate 2 moves along the guide groove 1b of the cassette holder in which the hook portion 2a is held by the urging force of the slide spring 4. It slides in the direction D and moves to the cassette tape take-out position. That is, the cassette tape 3 engaged with the engagement shaft 2b of the slide plate 2 at the end 3a moves from the storage position in the cassette holder to the removal position. Furthermore, cassette holder 1
Is rotated, the contact between the engaging portion 5c of the lock lever 5 and the spring portion 6a of the release member 6 is released, and the lock lever 5 is rotated clockwise by the urging force of the spring portion 5b to be engageable. Return to position. FIG. 7 shows the state at this time. Thereafter, the cassette holder 1 further rotates and reaches the cassette tape discharge position. 8 and 9 show the cassette tape discharge position state, FIG. 8 is a plan view thereof, and FIG. 9 is a side view from the direction A. As shown in FIG. 8 and FIG.
Is moved by the slide plate 2 to the take-out position, and has a very easy to take-out and good operability.

Next, the operation of moving from the cassette tape discharge position to the playing position will be described. When the cassette tape 3 is operated and moved in the direction of arrow E from the take-out position in the cassette tape discharge position state shown in FIG. 9, the slide plate 2 engaged with the end 3a of the cassette tape 3 at the engagement shaft 2b becomes a slide spring. It slides in the direction of arrow E against the urging force of No. 4. Engagement portion 2d of slide plate 2 during sliding
Abuts against and presses against the engaging inclined portion 5d of the lock lever 5, a rotational force is generated in the lock lever 5, and the lock lever 5 is centered on the support shaft 1e of the cassette holder 1 against the urging force of the spring portion 5b. And rotate counterclockwise. When the cassette tape 3 is further moved in the direction of arrow E, the slide plate 2
Also slides in the direction of arrow E, the engaging portion 2d of the slide plate 2 passes through the engaging inclined portion 5d of the lock lever 5, and the lock lever 5 rotates clockwise by the urging force of the spring portion 5b to engage. The portion 2d is engaged with the engagement hook portion 5a, and the slide plate 2 is held at the cassette tape storage position. Decorative plate 1 from this state
When the cassette holder 1 is pressed through the k and is rotated counterclockwise against the urging force of the open spring 7, that is, from the cassette tape discharge position to the playing position, the lock lever is rotated. The engagement portion 5c of the fifth member 5 comes into contact with the spring portion 6a of the release member 6. The state at this time is shown in FIG. When the cassette holder 1 is further rotated in the direction of the cassette tape playing position, the engaging portion 5c of the lock lever 5 presses the spring portion 6a of the release member 6, and the lock lever 5 receives clockwise turning power, 2 engaging portion 2d
, The spring portion 6a of the release member 6 starts to be deformed clockwise. The state at this time is shown in FIG.
Shown in When the cassette holder 1 is further rotated, the engagement between the engagement portion 5c of the lock lever 5 and the spring portion 6a of the release member 6 is released, and the spring portion 6a rotates counterclockwise and returns to the undeformed state. Then, the state shown in FIG. 4 is obtained. When the rotation of the cassette holder 1 is further continued, the engaging portion 1g of the cassette holder 1 is
The eject rod 8 slides in the direction of arrow B against the urging force of the eject rod return spring 9 in order to abut and press the eject rod b. When the cassette holder 1 is further rotated, the engaging portion 1g of the cassette holder 1 passes through the engaging inclined portion 8b of the eject rod 8, and the eject rod 8 slides in the direction of arrow C by the urging force of the eject rod return spring 9. The engaging portion 1g engages with the engaging hook portion 8a to hold the cassette holder 1 at the cassette tape playing position shown in FIG.

As described above, according to the present embodiment, since the cassette tape 3 is moved to the position where the cassette tape 3 can be easily taken out at the cassette tape discharge position of the cassette holder 1, a cassette loading device with excellent operability can be reduced in size and height. It can be easily realized at low cost and without power consumption.

Next, a second embodiment will be described in detail with reference to FIGS.

FIGS. 12 and 13 show a cassette tape playing position of the cassette loading apparatus according to the second embodiment of the present invention. FIG. 12 is a plan view of the cassette tape playing apparatus, and FIG.

In FIGS. 12 and 13, reference numeral 12 denotes a cassette holder. The cassette holder 12 has a spindle 12a held by a set body (not shown) and is rotatable about the spindle 12a. A reciprocating rotation operation is possible between the playing position and the discharging position. Reference numeral 13 denotes a slide plate. The slide plate 13 has a hook portion 13a held in a guide groove 12b of the cassette holder 12, and is slidable in the direction of arrow G. An engaging shaft 13b for engaging with the cassette tape 14 is formed on the slide plate 13, and the engaging shaft 13b penetrates through the through hole 12c of the cassette holder 12 so as to be able to engage with the end 14a of the cassette tape. It is configured. Reference numeral 15 denotes a slide spring.
5 is a spring hook 12d of one end of the cassette holder 12.
The other end is fixed to a spring hook 13c of the slide plate 13 to constantly urge the slide plate 13 in the direction of arrow G. Reference numeral 16 denotes a cam member. The cam member 16 is fixed to a set body (not shown), and an engaging shaft portion 13d of the slide plate 13 penetrates the through hole 16a. Reference numeral 17 denotes an open spring. One end of the open spring 17 is fixed to the cassette holder 12 and the other end is fixed to the set body (not shown). The open spring 17 always rotates the cassette holder 12 in the cassette tape discharge position (clockwise). I'm urged. Reference numeral 18 denotes an eject rod. The eject rod 18 is slidable on the substrate 21 of the cassette mechanism, the engaging hook 18a engages with the engaging portion 12e of the cassette holder 12, and the cassette holder 12 is moved to the cassette tape playing position. Hold in state. An eject rod return spring 19 has one end connected to the eject rod 18 and the other end connected to the substrate 21 of the cassette mechanism.
, And constantly urges the eject rod 18 in the arrow H direction. Reference numeral 20 denotes a reel base, which is rotatably held on a substrate 21 of a cassette mechanism. Reference numeral 12k denotes a decorative plate, and the decorative plate 12k is fixed and held by the cassette holder 12.

The operation of the cassette loading apparatus having the above-described structure for moving from the cassette tape playing position to the discharge position will be described below.

When the eject rod 18 is operated from the cassette tape playing position shown in FIG. 13 and is slid in the direction of arrow G against the urging force of the eject rod return spring 19, the engaging hook 18a of the eject rod 18 and the cassette The engagement of the engaging portion 12e of the holder 12 is released. The state at this time is shown in FIG. When the engagement between the engaging hook 18a and the engaging portion 12e is released, the cassette holder 12 starts rotating around the support shaft 12a toward the cassette tape discharge position (clockwise) by the urging force of the open spring 17, The eject rod 18 slides in the direction of arrow H by the urging force of the eject rod return spring 19 and returns to the engageable position. The rotation of the cassette holder 12 toward the cassette tape discharge position causes the through holes 16 of the cam member 16 to move.
The engagement shaft 13d of the slide plate 13 penetrating through the a contacts the engagement inclined portion 16b of the cam member 16 and starts moving along the inclined portion, so that the slide plate 13 starts moving in the direction of arrow G. I do. As a result, the cassette tape 14 is engaged with the engagement shaft 13b of the slide plate 13 at the end 14a, and the cassette tape 14 starts moving from the storage position in the cassette holder 12 toward the removal position. That is, the cassette tape 14 is linked with the rotation of the cassette holder 12 from the cassette tape playing position toward the discharge position.
Moves from the storage position toward the takeout position. When the cassette holder 12 reaches the cassette tape discharge position, the cassette tape 14 reaches the take-out position.
The state shown in FIG. FIG. 15 is a plan view of the cassette tape discharge position, and FIG. 16 is a side view from the F direction. As shown in FIGS. 15 and 16, the cassette tape 14 is moved to the take-out position by the slide plate 13 in the cassette-tape discharge position state of the cassette holder 12, so that the operability is very easy to take out.

Next, the operation of moving from the cassette tape discharge position to the playing position will be described. The cassette holder 12 is pressed from the state of the cassette tape discharge position shown in FIG. 16 via the decorative plate 12k, and the support shaft 12a is moved counterclockwise against the urging force of the open spring 17, that is, from the cassette tape discharge position to the playing position. When you start rotating around the center,
Slide plate 1 penetrating through hole 16a of cam member 16
The third engagement shaft 13d comes into contact with the engagement inclined portion 16c of the cam member 16 and starts moving along the inclined portion, so that the slide plate 13 starts moving in the arrow J direction. Thereby,
The cassette tape 14 starts moving from the take-out position in the cassette holder 12 toward the storage position. That is,
In conjunction with the rotation of the cassette holder 12 from the cassette tape discharge position toward the playing position, the cassette tape 14 moves from the take-out position toward the storage position. During the rotation of the cassette holder 12 to the cassette tape playing position, the engaging portion 12e of the cassette holder 12 comes into contact with and presses the engaging inclined portion 18b of the eject rod 18, so that the eject rod 18 It slides in the direction of arrow G against the urging force. When the cassette holder is further rotated, the engaging portion 12 of the cassette holder 12 is rotated.
e passes through the engaging inclined portion 18b of the eject rod 18, the eject rod 18 slides in the direction of arrow H by the urging force of the eject rod return spring 19, and the engaging portion 12e engages with the engaging hook portion 18a, The cassette holder 12 is held at the cassette tape playing position shown in FIG.

As described above, according to the present embodiment, since the cassette tape 14 is moved to the position where the cassette tape 14 can be easily taken out at the cassette tape discharge position of the cassette holder 12, a cassette loading device with excellent operability can be reduced in size and height. It can be easily realized at low cost and without power consumption.

[0023]

As described above, according to the present invention, the cassette holder
Slide plate that is held by the
In the storage position from the take-out position of the cassette tape
From the engaged position to the engaged position
While the cassette holder is moving from the cassette tape playing position to the discharging position , the engagement and holding of the slide plate
The cassette holder is ejected from the cassette tape playing position
It is released when rotating in the setting direction, and the slide plate engaged with the cassette tape is moved from the storage position in the cassette holder to the removal position using the spring force that urges the cassette holder toward the discharge position. The cassette tape is pushed out of the cassette holder to a position where it can be easily taken out at the cassette holder discharge position by moving the cassette holder to a very easy-to-use cassette loading device at low cost, small size and light weight, and without power consumption. Can be realized.

[Brief description of the drawings]

FIG. 1 is a plan view showing a cassette holder playing position of a cassette loading device according to a first embodiment of the present invention.

FIG. 2 is a side view from the direction of arrow A showing a cassette holder playing position of the cassette loading device according to the first embodiment of the present invention;

FIG. 3 is a configuration diagram showing a disengaged state between a cassette holder and an eject rod.

FIG. 4 is a configuration diagram showing a rotation start state of a lock lever.

FIG. 5 is a configuration diagram showing the lock lever in the middle of rotation.

FIG. 6 is a configuration diagram showing a disengaged state between the cassette holder and the slide plate.

FIG. 7 is a configuration diagram showing a return state of a lock lever and a movement state of a cassette tape to a take-out position;

FIG. 8 is a plan view showing a cassette holder discharge position of the cassette loading device according to the first embodiment of the present invention.

FIG. 9 is a side view of the cassette loading device according to the first embodiment of the present invention as viewed from the direction of arrow A, showing a cassette holder discharge position.

FIG. 10 is a configuration diagram showing a state in which a spring member deformation of the release member is started.

FIG. 11 is a configuration diagram showing a state in which a spring member of the release member is being deformed.

FIG. 12 is a plan view showing a cassette holder playing position of the cassette loading device according to the second embodiment of the present invention.

FIG. 13 is a side view from the direction of arrow F showing a cassette holder playing position state of the cassette loading device according to the second embodiment of the present invention.

FIG. 14 is a configuration diagram showing a disengaged state between a cassette holder and an eject rod.

FIG. 15 is a plan view showing a cassette holder discharging position of the cassette loading device according to the second embodiment of the present invention.

FIG. 16 is a side view of the cassette loading device according to the second embodiment of the present invention as viewed from the direction of arrow F, showing a cassette holder discharge position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cassette holder 2 Slide plate 3 Cassette tape 4 Slide spring 5 Lock lever 6 Release member 7 Eject rod 9 Eject rod 9 Eject rod return spring 10 Reel stand 11 Cassette mechanism substrate 12 Cassette holder 13 Slide plate 14 Cassette tape 15 Slide spring 16 Cam member 17 Open spring 18 Eject rod 19 Eject rod return spring 20 Reel base 21 Cassette mechanism board

Claims (1)

(57) [Claims] 1. A cassette holder for holding a cassette tape and capable of reciprocatingly rotating a cassette tape playing position and a discharging position, a first spring for constantly biasing the cassette holder toward a discharging position, and the cassette holder. Holding mechanism at a cassette tape playing position,
A slide plate held by the cassette holder and having an engagement portion with a cassette tape, a slide plate capable of reciprocally sliding between a cassette tape storage position and a take-out position within the cassette holder, and one end fixed to the cassette holder, The other end is fixed to the slide plate and constantly biases the slide plate toward the cassette tape take-out position. The second spring is rotatably or slidably held by the cassette holder. Take the tape
From the retracted position to the storage position, keep the
A lock lever for holding Oite engage the lifting state, before
Moving the cassette tape from the take-out position to the playing position
During the operation, the slide engaged with the lock lever
The cassette holder to the cassette table.
Release when rotating from the playing position to the discharging position
A cassette loading device, comprising: a release member that operates in the direction of rotation.