JPH0734520Y2 - Automatic cassette changer - Google Patents

Description

TECHNICAL FIELD The present invention relates to an automatic cassette changing device, and more specifically, to an automatic cassette changing device that is detachably mounted with a cassette magazine for storing a plurality of recording / reproducing cassettes. It is about.

BACKGROUND ART AND PROBLEMS In order to realize a long play in tape audio, a plurality of tape cassettes are stored in advance in the tape recorder, and these tape cassettes are automatically sequentially driven by the tape drive mechanism of the tape recorder. An automatic exchange device is used that is attached to and exchanges after the end of play. However, in the conventional method, since the rotating or moving tray is integrally incorporated in the apparatus, in order to replace the cassettes in the incorporated tray,
I had to replace each tray one by one, which took a considerable amount of time.

In addition, it takes time to find a desired tape cassette from a large number of tape cassettes stored separately, which is not a preferable situation in terms of organizing the tape cassettes.

Further, in the conventional system, the performance can be performed only in the order of the tape cassettes arranged on the tray, so that there is a drawback that it is necessary to wait for a long time until the tape cassette desired to be heard.

Besides, it is very troublesome to switch the reproduction characteristic of the tape recorder each time according to the reproduction characteristic of the tape.

Purpose of the Invention The present invention was devised in view of the above circumstances,
The purpose thereof is an automatic cassette exchange device which is detachably mounted with a cassette magazine for storing a plurality of recording / reproducing cassettes, and the plurality of recording / reproducing devices are operated in response to the operation of a program operation button of the automatic exchange device. Cassette is selected and mounted at the recording / reproducing position of the recording / reproducing apparatus, and after being recorded / reproduced by this recording / reproducing apparatus, the selected cassette is replaced with another cassette selected according to the program operation button. When providing the cassette automatic changing device, the recorded contents of the plurality of recording / reproducing cassettes stored in the cassette magazine are loaded when the cassette magazine is not mounted in the cassette automatic changing device. In any case, it can be easily recognized by a common index card.

Embodiment An embodiment of the present invention, which is applied to a cassette tape recorder with an automatic changer in which a compact cassette magazine containing 10 rolls is used, will be described below with reference to the drawings.

First, an outline of the entire apparatus will be described with reference to FIGS. 1 to 10.

As shown in FIG. 1, a cassette magazine insertion window 5 having an opening / closing window 4 is provided on the front surface 3 of the outer casing 2 of the cassette deck 1. An index card 6 can be inserted into the opening / closing window 4, and ten program push buttons 7 are provided at positions corresponding to the left and right columns of the index card 6. In addition, the front surface 3 has a power switch 8, a start / stop combined button 9, a change button 10 for changing to the next tape without having the end of one tape, a rewind button 11, a fast-wind button 12, and an eject button 13. Operation buttons such as are provided.

As shown in FIG. 2, the cassette deck 1 receives a cassette magazine 15 (hereinafter, simply referred to as a magazine) inserted from the magazine insertion window 5 and receives it in the X _F and X _B directions in FIG. Left and right guides 16, which movably support
17 and the moving device 18 for moving the magazine 15 on the guides 16 and 17 in the X _F and X _B directions, and the cassette 15 in the Y _F direction orthogonal to X _F from inside the magazine 15 stopped at a predetermined drawing position. An automatic cassette changing device 21 is provided which comprises a loading device 20 which is taken out and mounted on the tape recorder 19.

The guides 16 and 17 are, as shown in FIGS. 2 to 5, U-shaped left and right guide frames 23 and 24 and the guide frames.
It is composed of a plurality of left and right guide rollers 27, 28 with one-sided flanges 25 or 26 (Fig. 5) rotatably attached to the upper portions of 23, 24 at predetermined intervals. The cassette magazine 15 is mounted and moved on the 28.

As shown in FIGS. 2 and 4, the mobile classroom 18 includes gears 34, 35, 36 mounted on a fixed frame 33 from a motor X30 via a worm 31 and a worm wheel 32.
Gears 37 and 38 that are rotationally driven via
Engages with the rack gear formed on the bottom plate of the magazine 15
Is configured to move in the X _F and X _B directions.

On the other hand, in the loading device 20, as shown in FIG.
Inside the guide frame 41 with the opening 40 at the top is orthogonal to X _F
A slider 42 that moves in the Y _F and Y _B directions is provided.
Further, L-shaped pressing rods 43 and 44 as shown in FIG. 5 are integrally provided in front of and behind the slider 42, and the pressing rods 43 and 44 are upward from the opening 40 of the guide frame 41. It is projected. A rack gear 45 is formed on the right side surface of the slider 42 in FIG. 4, and the rack gear 45 includes the motor Y46 to the worm 47, the worm wheel 48, the small gear 49, and the large gear 5 in FIGS. 2 and 6.
0, gear 51 and gear 5 driven via slip gear 52
Meshed with 3. Therefore, when the rack gear 45 is driven from the motor Y46 via the above gear device and the slider 42 is moved in the Y _F direction, the rear pressing rod 44 enters the guide groove formed in the bottom plate of the cassette magazine 15. ,magazine
The cassette 54 in 15 is pushed out. Then, the ejected cassette 54 is held by a cassette holder 55 shown in FIGS. 5 and 6 via a leaf spring 56.

The cassette holder 55, as shown in FIG. 2 and FIG.
It is fixed to a substantially horizontal slide plate 57, and this slide plate 57 is guided by two horizontal rails 60 provided between fixed vertical plates 58 and 59 so that it can reciprocate in the tape recorder 19 direction. Is held. On the other hand, a lever 62 rotatably attached to the fulcrum pin 61 is provided between the slide plate 57 and the large gear 50, and the tip of the lever 62 is connected to the slide plate 57 and a tension spring 63. . Due to this spring force, the one end surface 64 of the lever 62 is in contact with the vertical member 65 of the slide plate 57. Further, a pin 66 is provided at a predetermined position of the lever 62 so as to project downward, and
The pin 66 is configured to engage with the second cam 67 projecting from the upper surface of the large gear 50 when the movement of the gear in the Y _F direction is completed. On the other hand, the slip gear 52 is frictionally coupled to the gear 51 by a compression spring 69 with a friction plate 68 interposed between the slip gear 52 and the gear 51, as shown in FIG. And this spring
Switching plate that can slide up and down between 69 and slip gear 52
Similarly, at the end of the movement of the slider 42 in the Y _F direction, a protrusion 71 projecting at a predetermined position of the switching plate 70 is provided on the lower surface of the large gear 50. 1 cam
It is configured to engage 72.

That is, when the second cam 67 rotates by a predetermined angle in the direction of arrow a from the state shown in FIG. 2 in accordance with the rotation of the large gear 50, the second cam 67 and the first cam 72 are separated from each other as shown in FIG. The state shown in FIG. 9 is obtained. Then, as shown in FIG. 9, the first cam 72 engages with the protrusion 71 and the switching plate 70 is pushed downward together with the protrusion 71, so that the frictional coupling of the slip gear 52 is released and the slider 71 is released. The movement of 42 in the Y _F direction is stopped. Then, when the large gear 50 further rotates in the direction of arrow a, the second cam 67 engages with the pin 66 as shown in FIG. 10, so that the lever 62 moves clockwise against the spring 63. Be moved. Therefore, the slide plate connected to the lever 62 via the spring 63
57, holding the cassette 54, guided by the horizontal rail 60 together with the cassette holder 55 to start moving toward the tape recorder 19 and rotated by a predetermined angle to mount the cassette,
The rotation of the large gear is stopped. This tape recorder 19
The clutch of the slip gear 52 is kept released by the first cam 72 during the movement in the direction. Next, when the motor Y46 rotates in the reverse direction, the cassette holder 55 is returned by the spring 63, the clutch of the slip gear 52 is engaged at a predetermined position, the slider 42 is moved in the Y _B direction, and this time the pressing rod 43 of the front part is moved. As a result, the cassette 54 is stored in the cassette magazine 15.

Next, the magazine 15 will be described with reference to FIGS. 11A to 16.

The magazine 15 is formed of, for example, a transparent plastic material, and as shown in FIGS. 11A and 11B, has a box shape whose front surface can be opened and closed, and a vertical partition plate 76 is provided in the upper portion thereof. It is structured so that 10-volume cassettes can be stored vertically. Then, a long guide groove 78 is formed on the bottom plate 77 at a position corresponding to each winding of the cassette to be stored, and the guide groove 78 reaches the back surface 79 of the magazine 15 in FIG. Vertical groove 80 formed on ((13th
(Fig. A). Therefore, as shown in FIG. 12B, the pressing rod 44 at the rear portion of the slider 42 is formed in the vertical groove 80.
The cassette in the magazine 15 is configured to be pushed in the Y _F direction by the movement of the cassette in the guide groove 78. Further, a rack gear 81 that meshes with the gears 37 and 38 of the magazine moving device 18 is formed on the front bottom plate 77 along the front face. The magazine 15 inserted into the cassette deck 1 has a front end portion of the bottom plate 77 in the front portion.
82, the stepped portion 83 at the rear, the guide roller 27,
It is configured to be placed and moved on the 28.

Further, a concave portion 85 is formed on the upper surface 84 for inserting and inserting the index card 6 from the opening / closing window 4 of the cassette deck 1 at the time of storage, and a protruding piece 86 for pressing the card is provided at an appropriate position. 87 are provided. Therefore,
This magazine 15 is used as a storage box for a plurality of cassettes during storage, and since the contents of the tapes stored by the index card 6 can be read, it is convenient for organizing and it is quick and convenient for finding the desired tape. Is.

When replacing the cassette, the index card 6 is removed, and the opening / closing lid 88 is opened as shown in FIG. 11A, and the opened front side is left side in FIG. Insert in deck 1. Then, the index card 6 may be inserted into the opening / closing window 4, the program push button 7 corresponding to the tune described on the index card 6 may be pushed in a desired order, and the start button 9 may be pushed. In this way, the automatic changer 21 is programmed, the cassettes are replaced in this programmed order, and the tapes are played in the desired order. Moreover, since the index card 6 is held on the front surface 3 of the outer casing 2 of the cassette deck 1 and at a predetermined position related to the program push button 7, programming by the program push button 7 is very easy.

Further, as shown in FIGS. 13A and 13B, vertical stripes 89 for position detection are provided at predetermined positions corresponding to the respective cassettes on the back surface of the magazine 15, and the vertical stripes 89 are cassettes. It is configured to be detected by a reflective photosensor 90 provided at a predetermined position in the deck 1. Therefore, by counting the number of detections of the vertical stripes 89 from the reference position while moving the magazine 15 from the reference position, the predetermined programmed cassette can be moved to the predetermined drawing position and stopped.

Also, as shown in FIGS. 13A and 13B, convex knobs 91 and 92 are vertically slidable at predetermined positions facing the respective cassettes on the back surface of the magazine 15.
93 and 94 and vertical guide grooves 95 and 96 are formed, respectively. The knobs 91 and 92 are configured to be held in the recesses 93 and 94 by the elastic force of the plastic material. Therefore, if the knobs 91 and 92 corresponding to the tape stored in advance are set in advance in accordance with the reproduction characteristics of the stored tape, the switch 9 provided in the cassette deck 1
7, 98, 99, etc. catch the characteristics of the tape that is pulled out and played in advance. Then, with this information, the reproduction characteristics of the tape recorder 19 can be automatically switched, so that the tape recorder 19 can be automatically controlled according to the characteristics of the tape.

Next, the opening / closing lid 88 of the magazine 15 will be described with reference to FIGS. 14A to 14C. As shown in FIG. 15, the side plate of the magazine 15 is composed of an outer first side plate 101 and an inner second side plate 102, and the space formed by both side plates.
The side plate 104 of the opening / closing lid 88 is inserted into 103 and is configured to move in this space. The opening / closing lid 88 is integrally formed from the side plates 104 on both sides and the lid plate 105 connecting between the side plates 104. Then, the first integrally provided on the side plate 104
The pin 106 moves in the laterally long first guide groove 107 formed on the side plate 101 of the magazine 15, and the second pin 108, which is also integrally provided, is located on the opening side formed on the side plate 101. It is configured to move in the second guide groove 109 which is slightly lowered. A tension spring 110 is stretched between the first pin 106 of the side plate 104 and the side plate 101 of the magazine 15. Further, the side plate 104 of the opening / closing lid 88 is provided with a protrusion 111, which is configured to engage with the recess 112 provided in the side plate 101 of the magazine to lock the opening / closing lid 88.

When the A portion of the opening / closing lid 88 configured and locked as described above is pushed up, the protrusion 111 is unlocked, and the lid 88 is lifted up against the spring 110, but the first pin 106 is When it goes up the guide groove 107, it moves horizontally. Therefore, the lid 8
8 is opened almost along the top of magazine 15 and the second pin 1
08 is locked in a state where it enters into the drop-in portion 109a of the second guide groove 109, and after it is opened, its lid plate 105 is placed on the upper surface of the magazine 15. In this way, since the opening / closing lid 88 is smoothly opened without being raised upward, and is placed on the upper surface of the magazine after being opened, it is inserted into the cassette deck 1 without waste of space. It is suitable for

As shown in FIG. 12, the bottom plate 77 of the cassette magazine 15 is
The convex portion 113 is provided at a predetermined position of the cassette 54
Since the lower hole 114 is engaged with the cassette 54, the cassette 54 is prevented from falling off by its own weight even if the magazine 15 is tilted. Incidentally, when the cassette 54 is taken in and out by the pressing rods 43, 44 of the slider 42, the thin bottom plate 77 made of a plastic material is bent, so that the convex portion is formed.
113 is put on and taken off.

As shown in FIG. 15, since the partition plate 76 is provided on the upper part and the widths of the upper part and the lower part are different, the cassette 54
The upper and lower sides of the cassette cannot be mistakenly stored.

Furthermore, the magazine insertion window 5 of the cassette deck 1 is
As shown by the hatching in Figure 16, the protrusion 115 is located at the lower left.
However, since the stepped portion 116 is formed at the lower right, the magazine can be left with the lid on or upside down.
Incorrect insertion such as insertion of 15 is prevented.

Effect of the Invention As described above, the present invention is configured such that a cassette magazine containing a plurality of recording / reproducing cassettes can be attached / detached, and desired recording / reproducing cassettes are sequentially selected according to the operation of the program push button. Therefore, by selectively using a plurality of cassette magazines, programming for recording / reproducing a desired cassette among a large number of recording / reproducing cassettes in a desired order can be performed by a simple operation.

Further, when the cassette magazine is not attached to the cassette automatic changing device, the index card is held in the magazine side card holding portion, and when the cassette magazine is attached to the cassette automatic changing device, the index card The card holder is detached from the magazine-side card holding portion, and can be held by the exchange device-side card holding portion provided on the front surface of the outer casing and at a predetermined position related to the program operation button. Therefore,
The operability of the program push button for programming to record / reproduce the predetermined recording / reproducing cassettes in the desired order is extremely good, and the recorded contents of the recording / reproducing cassettes stored therein during the storage of the cassette magazine. Can be known by the index card common to that at the time of programming, so that the function as a storage box of the cassette magazine can be enhanced and the handling thereof is easy.

[Brief description of drawings]

The drawing shows one embodiment of the present invention applied to a cassette tape recorder with an automatic changer using a compact cassette magazine containing 10 volumes. Fig. 1 is an external view of a cassette deck, and Fig. 2 is a cassette deck. Internal plan view,
3 is a view taken along the line III-III of FIG. 2, and FIG. 4 is a view of FIG.
IV-IV line arrow view, FIG. 5 is a VV line arrow view of FIG. 2, FIG. 6 is a VI-VI line arrow view of FIG. 2, and FIG. The VII-VII line arrow view of FIG. 2 which is shown, and FIGS.
FIG. 9 is an explanatory view of the operation of the cam, of which FIG. 9 is an explanatory view showing the relationship between the second cam and the first cam at the same time, FIGS. 11A and 11B are perspective views of the magazine, and FIG. FIG. 13A is a longitudinal sectional view of a magazine including a partial cutout portion of the cassette, FIG. 13A is a partial rear view of the magazine, FIG. 13B is a sectional view taken along the line BB of FIG. 13A, and FIGS. 14A to 14C are Side view showing the open / closed state of the magazine lid, Fig. 15 is a partial front view of the magazine, Fig. 16
The figure is a contour diagram of the magazine insertion window of the cassette deck. In the reference numerals used in the drawings, 1 ... cassette deck 2 ... outer casing 3 ... front surface 4 ... opening / closing window (card holder for exchange device) 5 ... magazine insertion window 6 ... index card 7 ... Program push button 15: Cassette magazine 54: Tape cassette.

Claims (1)

[Scope of utility model registration request] 1. A cassette magazine comprising a plurality of recording / reproducing cassettes and a card holding portion capable of detachably holding an index card capable of describing recorded contents of the plurality of recording / reproducing cassettes by inserting and inserting. ,
An automatic cassette exchanging device which can be detachably attached and used, wherein the plurality of recording / reproducing cassettes stored in the cassette magazine are selected according to the operation of a program operation button. It is mounted at a recording / reproducing position, and after recording / reproducing with this recording / reproducing apparatus, the selected recording / reproducing cassette is replaced with another recording / reproducing cassette selected according to the operation of the program operation button. In the automatic cassette exchanging device described above, the exchanging device-side card holding portion capable of detachably holding the index card by inserting and inserting the index card at a predetermined position related to the program operation button on the front surface of the outer casing It is provided separately from the holding part, and when the cassette magazine is not mounted on the cassette automatic exchange device, While holding the dex card in the magazine side card holding part, when the cassette magazine is mounted in the cassette automatic exchange device, the index card is removed from the magazine side card holding part and the exchange device side card holding part An automatic cassette changer configured to be held by the.