JP2830337B2 - Large and small cassette storage device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in the following order.

A Industrial Fields B Overview of the Invention C Prior Art D Problems to be Solved by the Invention E Means to Solve the Problems F Action G Example G ₁ Description of the whole cassette autochanger (FIG. 10) G ₂ Large and small description of the small cassette guide and a small cassette inlet guide cassette combined storage apparatus described in (FIG. 1-Figure 5B) G ₃ small cassette guide drive mechanism (Fig. 6, second 8B
Figure) Description of G ₄ large and small cassettes combined storage apparatus overall control mechanism (Fig. 9A, second 9E view) FIELD The present invention on the effect A industry H invention, for example, long-term continuous video in a television broadcasting station The present invention relates to a large / small cassette dual-purpose storage device optimally applied to a cassette autochanger for performing reproduction and recording.

B SUMMARY OF THE INVENTION The present invention provides a large and small cassette combined storage device applied to a cassette automatic changer, etc., in which 12 small cassette entrance guides are provided at the cassette insertion opening of the cassette storage section.
When a large cassette is inserted, the small cassette entrance guide is automatically released to the outside of the cassette storage section, and when a small cassette is inserted, the small cassette is accommodated by the small cassette entrance guide. The configuration is such that the small cassette is guided to the small cassette guide in the unit, so that the small cassette can be easily inserted into the cassette storage unit.

C Prior Art The applicant of the present invention has disclosed, for example, Japanese Patent Application No. 63-84591 described in the specification and drawings of a cassette autochanger using a video cassette as a prior application example of a large and small cassette combined storage device. Filed.

This prior application example is a large-small cassette combined storage device configured to selectively store a large cassette and a small cassette in a cassette storage portion.When a large cassette is inserted into the cassette storage portion, a pair of inner walls are used. It is configured to guide both sides of the large cassette, and when inserting the small cassette into the cassette storage portion, both sides of the small cassette are guided by a pair of small cassette guides provided in parallel inside the pair of inner walls. The center of the large and small cassettes is positioned above the center of the cassette storage section.

Further, the pair of small cassette guides is configured to be movable between the inside and the outside of the cassette storage portion, and when a large cassette is inserted into the cassette storage portion, a pair of large cassettes provided in the cassette insertion slot. When the detecting means detects the large cassette at the same time, the pair of small cassette guides is driven by the pair of large cassette detecting means to release the pair of small cassette guides to the outside of the cassette housing portion. ing.

D Problems to be Solved by the Invention However, in the prior application, since the center of the large and small cassettes is positioned on the center of the cassette storage section, when inserting the small cassette into the cassette storage section, the width of the large cassette is reduced. A small cassette with a small width must be inserted from the center of the horizontal and large cassette insertion slot formed to fit the small cassette, and this small cassette must be inserted between a pair of small cassette guides. There was a problem that it could not be done easily.

E means for solving the problem A large and small cassette combined storage device according to the present invention is a large and small cassette combined storage device in which a large cassette and a small cassette are selectively stored in a cassette storage portion. To guide the small cassette inserted into the cassette storage portion, and when the large cassette is inserted into the cassette storage portion, escapes to the outside of the cassette storage portion. The small cassette guide is disposed near the cassette insertion slot of the cassette storage unit, is configured to be movable between the inside and the outside of the cassette storage unit, and is urged to move to the inside of the cassette storage unit. A small cassette entrance guide, wherein the small cassette guide and the small cassette entrance guide are The small cassette inserted into the cassette storage portion is provided between one inner wall of the storage portion and the small cassette guide and the small cassette entrance guide, and the small cassette entrance guide includes a first cassette. A guide surface and a second guide surface are formed, and the small cassette inserted into the cassette storage portion is guided by the first guide surface between the small cassette guide and one inner wall of the cassette storage portion. The second guide surface of the large cassette inserted into the cassette storage portion allows the cassette entrance guide to escape to the outside of the cassette storage portion.

F operation The large and small cassette combined storage device configured as described above, when a large cassette is inserted into the cassette storage portion from the cassette insertion port, the small cassette entrance guide is guided by the second guide surface of the small cassette entrance guide. Since the guide itself automatically escapes to the outside of the cassette storage section, the small cassette entrance guide does not hinder the insertion of the large cassette. However, when a small cassette is inserted into the cassette accommodating portion from the cassette insertion slot, one small cassette entrance guide can be used as a guide for the insertion position of the small cassette. The first guide surface can guide the small cassette guide in the cassette storage section.

G Embodiment Hereinafter, an embodiment in which the present invention is applied to a cassette autochanger using a video cassette will be described with reference to the drawings.

G ₁ First, by FIG. 10, a description will be given of the overall cassette autochanger.

First, this cassette autochanger can selectively use two types of cassettes, a large cassette 1 and a small cassette 2 having different sizes. A front and rear shelf block of front and rear two rows of front and rear two rows constituted by a large and small cassette dual storage device 3 capable of selectively storing the large cassette 1 and the small cassette 2 are arranged in a large number of rows in the upper and lower rows. 4 and 5 are provided. Then, a cassette transfer machine 6 disposed between the front and rear shelf blocks 4
Are configured to be movable up and down, left and right, and recording / reproducing devices 7 are arranged in a plurality of vertical stages beside the movement path of the cassette transfer device 6. Incidentally, the cassette transfer machine 6 can selectively transfer the large cassette 1 and the small cassette 2, and
Each recording / reproducing device 7 is constituted by a front loading type VTR capable of selectively recording and / or reproducing the large cassette 1 and the small cassette 2.

The predetermined large / small cassette combined storage device 3 of the front shelf block 4 is configured as a cassette taking-only shelf,
A cassette insertion port 9 is provided on the operator side 8 which is a front side, and a cassette outlet 11 is provided on a cassette transfer side 10 which is a rear side.
Is provided. In the other large and small cassette storage device 3 on the front shelf block 4, a cassette entrance 12 is provided on the cassette transfer machine side 10 on the rear side, and the rear shelf block 5 is provided.
The large / small cassette dual storage device 3 is provided with a cassette entrance 12 on the front side of the cassette transfer machine.

Next, the operation of the cassette autochanger will be described.

First, at the time of taking in the large and small cassettes 1 and 2, the operator operates the large / small cassette dual-purpose storage device 3 exclusively for taking in the cassettes.
The large and small cassettes 1 and 2 are sequentially inserted from the cassette insertion opening 9 in the direction of arrow a. The inserted large and small cassettes 1
2 are automatically sent out sequentially from the cassette outlet 11 in the direction of arrow b and received by the cassette transfer machine 6. During this time,
The barcodes of the large and small cassettes 1 are read by a barcode reader (both not shown). Thereafter, the large and small cassettes 1 and 2 are sequentially transferred by the cassette transfer device 6 to the large and small cassette combined storage device 3 at the designated shelf address, and are inserted and stored from the cassette entrance 12 in the direction of arrow c, respectively.

Next, at the time of broadcasting, the large and small cassettes 1 and 2 are selectively taken out from the large / small cassette combined storage device 3 at the designated shelf address into the cassette transfer machine 6 in the direction of arrow c ', and the recording / reproduction designated by the cassette transfer machine 6 is performed. It is transported to the device 7 and automatically inserted in the direction of the arrow d to perform recording or reproduction. After the recording or reproduction is completed, the large and small cassettes 1 and 2 ejected from the recording / reproducing device 7 in the direction of arrow d 'are received by the cassette transfer device 6, and are automatically stored in the large / small cassette dual-purpose storage device 3 at the original shelf address. Will be returned.

Then, by continuously repeating the above operation, continuous video reproduction and recording over a long time can be performed.

In addition, at this time, short-time broadcasting of commercials and the like is performed using the small cassette 2 having a small size and a short recording time, and news and various programs are broadcast using the large cassette 1 having a large size and a long recording time. For example, it is possible to adopt a method of discriminating the length of the broadcast time and the like depending on the size of the large and small cassettes 1 and 2, for example, to broadcast a long time.

G ₂ Next, by Figure 1-Figure 5B, illustrating the small cassette guide and a small cassette inlet guide cassette uptake dedicated magnitude cassette combined storage device 3.

First, the large and small cassettes 1 and 2 have barcode labels 15a and 1a with barcodes 14a and 14b printed on one side 1a and 2a.
5b is affixed, and the other side 1b, 2b has an open / close lid
1c and 2c are installed. And large and small cassette 1,
Barcode reader 16 that reads the second barcodes 14a and 14b
Are attached to the cassette transfer machine 10.

Next, the large / small cassette dual-purpose storage device 3 includes a shelf board 18 made of a synthetic resin or the like on the shelf chassis 18 made of sheet metal.
19 is installed horizontally. Then, a cassette storage section 20 is formed between the shelf board 19 and the shelf chassis 18 of the large and small cassette storage apparatus 3 arranged at the top, and a cassette insertion port 9 is provided on the operator side 8 of the cassette storage section 20. ,
A cassette outlet 11 is provided on the cassette transfer machine side 10. Then, the large and small cassettes 1 and 2 are selectively inserted into the cassette accommodating portion 20 from the cassette insertion opening 9 in the direction of arrow a in the longitudinal direction thereof.

Next, a pair of inner walls 21a and 21b for guiding the left and right side surfaces 1a and 1b of the large cassette 1 are integrally formed on the left and right end portions of the shelf board 19, respectively. On the shelf board 19, a substantially strip-shaped small cassette guide 22 for guiding the left and right side surfaces 2a and 2b of the small cassette 2 to one inner wall 21a is arranged in parallel with the inner wall 21a. This small cassette guide 22 is a shelf chassis
4B, it is rotatably mounted in the directions of arrows e and e ', which are vertical directions about a fulcrum shaft 23, and a cassette storage portion is formed through a long hole 25 provided in the shelf plate 19 as shown in FIG. 4B. 4A and the cassette storage section 20 as shown in FIG. 4A.
It is configured to be movable in the directions of arrows e and e 'between the inside and the position where it is released below the shelf board 19. In addition, tapered surfaces 22b and 22c are provided at both front and rear ends of a guide surface 22a facing the inner wall 21a of the small cassette guide 22 in parallel.

Next, a substantially trapezoidal small cassette entrance guide 71 is arranged in front of the small cassette guide 22 (left side in FIG. 2A) in the vicinity of the cassette insertion slot 9 of the cassette storage section 20. The small cassette entrance guide 71 is provided on the shelf chassis 18 with a fulcrum shaft 72.
Are mounted so as to be rotatable in the directions of arrows j and j, which are the up and down directions around the center. And this small cassette entrance guide 71
Is rotated and urged in the direction of arrow j by a spring 73 which is an urging means wound around a fulcrum shaft 72, and enters into the cassette housing portion 20 through a substantially trapezoidal hole 74 provided in the shelf board 19. Insertion is biased. The small cassette entrance guide 71 has front and rear ends on the operator side 8 and the cassette transfer machine side 10, respectively.
First guide surfaces 75a and 75b for guiding the small cassette 2 between the small cassette guide 22 and the one inner wall 21a, and the small cassette entrance guide 71 for the large cassette 1 inserted into the cassette insertion slot 9 are spring-loaded. Second guide surfaces 76a, 76b for guiding the cassette 73 to escape from the cassette storage portion 20 in the direction of arrow j 'against 73.
Are provided. The small cassette entrance guide 71 has a surface 77 facing the one inner wall 21a formed in a plane parallel to the inner wall 21a.

Next, a pair of left and right large cassette detecting rollers 24a and 24b, which are a pair of left and right large cassette detecting means, are provided on both sides of the cassette storage unit 20 on the side of the cassette insertion port 9; The large cassette detection roller 24
A large cassette detection roller 24c interlocked with b is provided. The detection rollers 24a, 24b, and 24c are inserted into the cassette storage unit 20 from the notches 26a, 26b, and 26c provided on the inner walls 21a, and are laterally released from the cassette storage unit 20. Arrow f, which is the horizontal direction between the
It is configured to be movable in the f 'direction.

Ejecting means 27a and 27b for the large and small cassettes 1 and 2 and sending means 28 for the large and small cassettes 1 and 2 are provided on the shelf plate 19 in the cassette storage section 20.

Next, the operation of the small cassette guide 22 and the small cassette entrance guide 71 will be described.

First, before the cassette is inserted, the large cassette detection rollers 24a, 24b, and 24c are inserted into the cassette accommodating portion 20 in the direction indicated by the arrow f as indicated by a dashed line in FIG. The small cassette entrance guide 71 is inserted into the cassette storage section 20 in the directions of arrows e and j as shown in FIGS. 4B and 3B.

Therefore, first, as shown in FIGS. 2B and 3B, the small cassette 2 is inserted from the cassette insertion port 9 into the cassette storage section 20 in the direction of arrow a. 2 can be used as a guide for the insertion position.

That is, using the small cassette entrance guide 71 as a guide of the insertion position, the small cassette 2 is inserted into one of the inner walls 21a of the cassette insertion slot 9.
To the first guide surface 75a of the small-cassette entrance guide 71 in the direction of the arrow a in the direction opposite to the inner wall 21a of the front end face 2d of the small cassette 2. When the small cassette 2 is brought into contact with the inner wall 21 in the cassette housing portion 20 by the guiding action according to the first guide diagram 75a.
Arrow a ″ to the normal position between a and the small cassette guide 22
You can be guided in the direction.

Therefore, since there is only one small cassette entrance guide 71 to be used as a guide, the cassette storage portion 2 can be inserted through the horizontally long and large cassette insertion opening 9 formed in accordance with the width of the large cassette 1.
The small cassette 2 can be easily and accurately inserted in the direction of the arrow a into a proper position between the inner wall 21a and the small cassette guide 22.

When the small cassette 2 is inserted into the cassette accommodating portion 20 in the direction of arrow a in this manner, as shown in FIGS. 2B, 4B and 5A, one side surface 2a of the small cassette 2
As a result, one of the large cassette detection rollers 24a is released outside the cassette storage section 20 in the direction of arrow f ', but the small cassette guide 22 is held in the cassette storage section 20 as shown in FIG. 4B.

Therefore, the guide surface 22a of the small cassette guide 22 reliably guides the side surface 2b of the small cassette 2.

At this time, the front end face 2d of the small cassette 2 pushes the ejecting means 27b in the direction of arrow a, and the small cassette 2 is positioned in the cassette storage portion 20 at the regular position shown by the dashed line and the solid line in FIGS. 2B and 5A. When it is inserted, eject means 27
At about the same time when the b is locked and the insertion of the small cassette 2 is stopped, the sending means 28 is moved in the direction of arrow g from the non-engaged position indicated by the dashed line to the engaged position indicated by the solid line in FIG. 5A. The small cassette 2 is engaged with the rear end face 2e.

Next, the large and small cassette storage device 3 is operated by the operating means of the cassette transfer machine 6, and the ejecting means 27b moves from the engaged position indicated by the solid line to the disengaged position indicated by the alternate long and short dash line in FIG. 5A.
At the same time, the small cassette 2 is sent out from the cassette outlet 11 of the cassette storage section 20 into the cassette transfer machine 6 in the direction of arrow b by the sending means 28. The small cassette 2 sent out is received in the cassette transfer device 6 by a transfer belt (not shown) of the cassette transfer device 6.

At this time, the bar code 14 on the side 2a of the small cassette 2
b is automatically read by the barcode reader 16 and the number and contents of the small cassette 2 are detected.

Next, as shown in FIGS. 2A and 3A, when the large cassette 1 is inserted into the cassette accommodating portion 20 from the cassette insertion port 9 in the direction of arrow a, the lower end edge of the front end face 1d of the large cassette 1 The second guide surface 76a of the entrance guide 71 is abutted from the direction of arrow a. Then, by the guiding action of the second guide surface 76a, as shown in FIG. 3A, the small cassette entrance guide 71 itself is rotated in the direction of arrow j 'against the spring 73, and the small cassette entrance guide 71 is rotated. The guide 71 automatically escapes from the cassette housing section 20 in the direction of arrow j '.

Therefore, the small cassette entrance guide 71 is
Insert the large cassette 1 into the cassette
It can be easily inserted into the regular position between the pair of inner walls 21a and 21b in the direction 20 from the direction of arrow a.

When the large cassette 1 is inserted into the cassette accommodating portion 20 from the cassette insertion slot 9 in the direction of arrow a, as shown in FIG. 2A, a pair of large cassettes 24a are detected by both side surfaces 1a and 1b of the large cassette 1. , 24b are both released out of the cassette storage section 20 in the direction of arrow f ', so that the small cassette guide 22 is automatically released out of the cassette storage section 20 in the direction of arrow e' as shown in FIG. 4A. Ejecting means 27b is also the fifth
In FIG. A, the vehicle is automatically released in the direction of arrow h from the engagement position indicated by the solid line to the non-engagement position indicated by the alternate long and short dash line.

Therefore, the small cassette guide 22 and the ejecting means 27b
Does not hinder insertion, and the large cassette 1
20 can be inserted smoothly.

At this time, the front end face 1d of the large cassette 1 pushes the ejecting means 27a in the direction of the arrow a, and when the large cassette 1 is inserted to the regular position shown in FIG. At substantially the same time when the insertion of the large cassette 1 is stopped by being locked,
5A is moved in the direction of arrow g from the non-engaged position indicated by the alternate long and short dash line in FIG. 5A to the engaged position indicated by the solid line, and is engaged with the rear end face 1e of the large cassette 1.

Next, the large / small cassette dual storage device 3 is operated by the operation means of the cassette transfer device 6, and the ejection means 27a is operated.
5A is released from the engaged position indicated by the solid line in FIG. 5A to the disengaged position indicated by the alternate long and short dash line, and the large cassette 2 is moved from the cassette outlet 11 of the cassette accommodating section 20 into the cassette transfer machine 6 by the delivery means 28. Sent in the direction. Then, the large cassette 1 is received by the transport belt of the cassette transfer device 6 in the same manner as the small cassette 2.

At this time, the bar code 14 on the side 1a of the large cassette 1
“a” is automatically read by the bar code reader 16, and the number and contents of the large cassette 1 are detected.

Therefore, the large cassette 1 and the small cassette 2 can be inserted into the cassette storage section 20 with their side surfaces 1a, 2a on which the bar codes 14a, 14b are displayed, aligned. 14a and 14b can be easily and accurately read by one barcode reader 16.

Only when the large cassette 1 is inserted from the cassette insertion opening 9 into the cassette storage section 20 in the direction of arrow a and the pair of large cassette detection rollers 24a and 24b are moved in the direction of arrow f ', the small cassette guide Since the small cassette 2 is configured to escape from the cassette storage section 20 in the direction of arrow e ', the small cassette 2 is connected to one inner wall 21a and one small cassette guide 22.
And can be positioned accurately. Therefore, the small cassette 2 can be easily moved to the correct position between the one inner wall 21a and the small cassette guide 22 simply by inserting the small cassette 2 to one side which is the one inner wall 21a side of the cassette insertion slot 9. And it can be inserted smoothly.

That is, as shown in FIGS. 2C and 5B, the small cassette 2
To the other inner wall 21b side of the cassette insertion slot 9 and an arrow a
If you try to insert from the
Although the large cassette detecting roller 24b is released in the directions indicated by arrows j 'and f', the small cassette guide 22 is held in the cassette accommodating portion 20 as shown in FIG. 4B. Is brought into contact with the small cassette guide 22 to prevent the small cassette 2 from being inserted into the cassette housing portion 20 beforehand.

As shown in FIGS. 2A and 5A, when the large and small cassettes 1 and 2 are returned from the cassette transfer device 6 through the cassette outlet 11 into the cassette storage section 20 in the direction of arrow b ', the large and small cassettes 1 2 are accurately returned to their respective positions in the cassette storage section 20 by the transport belt of the cassette transfer device 6. Therefore, the small cassette 2 can be accurately inserted between the one inner wall 21a and the small cassette guide 22 in the direction of arrow b '. Further, at this time, since the ejecting means 27a and 27b are moved and locked in the direction of arrow a, if the large cassette 1 is inserted in the direction of arrow b ', the large cassette detecting roller 24c is released in the direction of arrow f'. The small cassette guide 22 is released in the direction of arrow e 'as shown in FIG. 4A to enable the large cassette 1 to be inserted into the cassette accommodating portion 20 in the direction of arrow b'. Immediately before the large cassette 1 is returned to the normal position in the cassette storage section 20 in the direction of arrow b, the lower end edge of the rear end face 1e of the large cassette 1 is brought into contact with the second guide surface 76b of the small cassette entrance guide 71. As described above, the small cassette entrance guide 71 is released in the direction of the arrow j 'as shown in FIG.

When the large and small cassettes 1 and 2 are thus inserted into the cassette storage section 20 in the direction of arrow b ', the sending means 28 is pushed in the direction of arrow a' by the rear end surfaces 1e and 2e of the large and small cassettes 1 and 2. It is. When the large and small cassettes 1 and 2 are inserted in the direction of the arrow a 'to the normal position in the cassette storage section 20, the ejecting means 27a and 27b are moved in the direction of arrow h' and the front end faces of the large and small cassettes 1 and 2 are moved. It is engaged with 1d and 2d. Thereafter, the sending means 28 is released in the direction of arrow g 'by the ejecting operation means of the operator, and the large and small cassettes 1 and 2 are automatically ejected from the cassette insertion port 9 in the direction of arrow a' by the ejecting means 27a and 27b. Is done.

G ₃ Next, the Figure 6-Figure 8B, illustrating the driving mechanism of the small cassette guide 22.

The small cassette guide 22 substantially in the form of a strip is formed of synthetic resin or the like, and a pair of front and rear arms 30 integrally formed on the opposite side to the guide surface 22a is provided on the shelf chassis 18 by a pair of fulcrum shafts 23. It is attached so as to be rotatable in the directions of arrows e and e '. A pair of ribs 31 having inclined surfaces 31a are formed integrally on the lower surfaces of the pair of arms 30 substantially vertically.
Then, a lock plate 32 disposed on the shelf chassis 18 below the pair of ribs 31 is guided by a pair of guide pins 33 and a pair of long holes 34, and is parallel to the small cassette guide 22 in the directions of arrows a and a '. It is configured to be freely movable.
A rib 35 is formed substantially vertically integrally on the lower surface of the front end face of the small cassette guide 22, and a lock plate 36 arranged on the shelf chassis 18 below the rib 35 is a guide pin.
The small cassette guide 22 is guided by the long hole 37 and the long hole 38 so as to be movable in the directions of arrows f and f 'perpendicular to the small cassette guide 22.

Next, the operation of the driving mechanism of the small cassette guide 22 will be described.

First, as shown by the solid line in FIG.
Is moved back in the direction of arrow a and the lock plate 36 is moved back in the direction of arrow f, as shown in FIG. 8A, the pair of ribs 31 are placed on the lock plate 36 by the guiding action of the slope 31a. Ride up and, as shown in Figure 7A,
The small cassette guide 22 is rotated in the direction of arrow e, and the small cassette guide 22 is
As shown in FIG. 7A, the lock plate 36 is inserted into the lower part of the rib 35 from the direction of the arrow f while being inserted into the inside 20.

Next, as shown by the one-dot chain line in FIG. 6, the lock plate 32 is moved forward in the direction of arrow a 'and the lock plate 36 is moved forward in the direction of arrow f'. As shown in FIG. 7B, the pair of ribs 31 fall into the pair of long holes 34, and as shown in FIG.
As shown in FIG. 7B, the small cassette guide 22 is rotated by its own weight in the direction of the arrow e 'so as to escape from the lower part of the cassette in the direction of the arrow f'. ) Escaped. At this time, the small cassette guide 22 may be rotated in the direction of arrow e 'by a spring (not shown).

Therefore, in the state shown in FIG.
The small cassette guide 22 is rotated in the direction of the arrow e 'even when the small cassette guide 22 is moved in the direction of the arrow a', as shown in FIG. 8B, or when the lock plate 32 is moved in the direction of the arrow a '. Only when the two lock plates 32 and 36 are moved forward in the directions of arrows a 'and f', the small cassette guide 22 is rotated in the direction of arrow e 'to
It is configured to be able to escape outside.

G ₄ Next, by Fig. 9A, second 9E diagram illustrating the overall control system of large and small cassettes combined storage device 3.

First, FIG. 9A shows a state before cassette insertion,
The lever 40a mounted on the shelf chassis 18 with the large cassette detection roller 24a mounted on the end thereof is urged to rotate in the direction of arrow f by a spring 42a about a fulcrum shaft 41a. Also, large cassette detection rollers 24b and 24c are mounted on the tip, and levers 40a and 40b mounted on the shelf chassis 18 are a pair of arms integrally formed on both front and rear ends of the lock plate 32.
43 is connected via a pin 44 and a long hole 45, and the lock plate 32 is urged forward in the direction of arrow a by a spring 42b, so that a pair of levers 40b and 40c move around the fulcrum shafts 41b and 41c as indicated by an arrow f. Direction. A slider 48 is mounted on the shelf chassis 18 via a pair of guide pins 46 and a long hole 47 so as to be movable in the directions of the arrows a and a '. A pair of ejecting means 27a and 27b are mounted on the slider 48 so as to be rotatable in the directions of arrows h and h 'in FIG. 5A around the pair of fulcrum shafts 50a and 50b. A lock lever 51 is mounted on the shelf chassis 18 so as to be rotatable in the directions of arrows i and i 'around a fulcrum shaft 52. A lock pin 53 attached to the tip of the lock lever 51 is A pin 55 provided on the lock lever 51 is inserted into the long hole 38 of the lock plate 36 so as to be engageable with a lock step 54 provided on the front end side. Further, a pin 57 provided on the lever 41a is inserted into an elongated hole 56 provided at the tip of the lock plate 36. In addition, a slider 58 disposed so as to straddle over the lock plate 32 is mounted on the shelf chassis 18 via a pair of guide pins 59 and a long hole 60 so as to be movable in the directions of arrows f and f '. It is urged to move in the direction of arrow f '. A pin 62 provided on the slider 58 is located near an inclined portion 63 integrally formed on a part of the lock plate 32, and arrows f and f 'are displayed on the slider 28.
A control plate 64 movably arranged in the direction to control the ejecting means 27b is engaged with a pair of long holes 65 provided in the slider 58 by a pair of pins 66.

Next, the operation of the overall control mechanism of the large and small cassette storage device 3 will be described.

First, as shown in FIG. 9B, when the large cassette 1 is inserted into the cassette accommodating portion 20 from the direction of arrow a, the two large cassette detecting rollers 24a and 24b are released in the direction of arrow f '. 40a, 40b are opposed to springs 42a, 42b by arrows f '.
The lock plate 32 is moved in the direction of arrow a ', and the lock plate 36 is also moved in the direction of arrow f' via the pin 57 and the elongated hole 56. Therefore, as shown in FIG. 7B, the small cassette guide 22 is
It is released in the direction of arrow e 'from inside.

At this time, the pin 62 of the slider 58 is driven by the inclined portion 63 of the lock plate 32 which is moved forward in the direction of the arrow a ', and the slider 58 is moved in the direction of the arrow f against the spring 61, so that a pair of long The control plate 64 is moved in the direction of the arrow f through the hole 65 and the pin 66, and the ejecting means 27b is released from the cassette housing portion 20 in the direction of the arrow h 'as shown in FIG. 5A.

Then, the front end face 1d of the large cassette 1 inserted into the cassette accommodating portion 20 in the direction of arrow a pushes the ejecting means 27a in the direction of arrow a.
Reciprocated in the direction.

At the moment when the large cassette 1 is inserted to a regular position in the cassette storage section 20, the lock lever 51 is rotated in the direction of arrow i, and the lock pin 53 is engaged with the lock step 54, Lock the slider 48.

At this time, the pin 55 of the lock lever 51 moves to the end of the long hole 38 of the lock plate 36 in the direction of the arrow f ', and thereafter, the lock plate 36 is held so as not to be returned in the direction of the arrow f, and By the lock lever 51 rotated in the direction of arrow i, the delivery means 28 is rotated in the direction of arrow g as shown in FIG. 5A and engaged with the rear end face 1e of the large cassette 1.

Next, as shown in FIG. 9C, when the small cassette 2 is inserted into the cassette accommodating portion 20 from the direction of arrow a, the large cassette detecting roller 24a is released in the direction of arrow f 'and locked by the lever 40a. Although the plate 36 is moved forward in the direction of arrow f ', the large cassette detecting roller 24b is not moved at all, so that the lock plate 32 is not moved in the direction of arrow a'.

Accordingly, the small cassette guide 22 is held in a state of being inserted into the cassette accommodating portion 20 as shown in FIG. 7A, and the small cassette 2 is moved to a regular position between the one inner wall 21a and the small cassette guide 22 by an arrow. It can be inserted in the a direction.

Then, the front end face 2d of the small cassette 2 inserted into the cassette accommodating portion 20 in the direction of arrow a pushes the ejecting means 27b, and the slider 48 moves forward in the direction of arrow a against the spring 49, and the lock lever 51 is moved. Locked by 5A
As shown in the figure, the sending means 28 is rotated in the direction of arrow g and engaged with the rear end face 2e of the small cassette 2.

Next, as shown in FIG. 9D, when the large cassette 1 is returned from the cassette transfer device 6 into the cassette storage portion 20 in the direction of arrow b ', the lock lever 51 locks the lock plate.
While the large cassette detecting roller 24c is released in the direction of the arrow f 'while the 36 is moved in the direction of the arrow f', the lock plate 32 is moved in the direction of the arrow a 'by the lever 40c. As shown in FIG. 7B, the cassette guide 22 is released from the inside of the cassette storage section 20 in the direction of arrow e '. Then, the feeding means 28 is pushed in the direction of the arrow a 'by the rear end face 1e of the large cassette 1 inserted in the direction of the arrow a' into the cassette storage section 20, and the large cassette 1 is shown in Fig. 9B in the cassette storage section 20. At the moment when it is inserted to the proper position, the ejecting means 27a is rotated in the direction of arrow h and engaged with the front end face 1d of the large cassette 1 as shown in FIG. 5A.

Next, as shown in FIG. 9E, when the small cassette 2 is returned from the cassette transfer device 6 into the cassette storage section 20 in the direction of arrow b ', regardless of the large cassette detection roller 24c,
The small cassette 2 is inserted into a proper position between the inner wall 21a and the small cassette guide 22. At this time, the small cassette 2 inserted into the cassette accommodating section 20 in the direction of the arrow b 'according to the transport level of the cassette transporting apparatus 6 is properly moved by the pushing arm 67 of the cassette transporting apparatus 6 as shown in FIG. Is pushed in the direction of arrow a '. Then, at the moment when the feeding means 28 is pushed in the direction of the arrow a 'by the rear end face 2e of the small cassette 2 and the small cassette 2 is inserted to the above-mentioned regular position, the ejecting means 27b is moved to the arrow h' as shown in FIG. And is engaged with the front end face 1d of the small cassette 1.

Next, after the large and small cassettes 1 and 2 are returned from the cassette transfer device 6 into the cassette storage section 20 in this way, when an eject operation is performed by the operator, the lock lever 51 is moved as shown in FIG. 9A. It is rotated in the direction of arrow i '. Then, as shown in FIG. 5A, the feeding means 28 is released in the direction of arrow g ', the lock pin 53 is disengaged from the locking step 54 in the direction of arrow i', and the lock of the slider 48 is released. Then, the slider 48 is moved back in the direction of arrow a 'by the spring 49, and the large and small cassettes 1 and 2 in the cassette storage section 20 are moved from the cassette insertion port 9 to the operator side 8 by the ejecting means 27a and 27b on the slider 48. Ejected.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various effective changes can be made based on the technical idea of the present invention.

For example, as shown in FIG. 4B, the small cassette guide 22 is rotationally urged by a spring in the direction of arrow e, and when the large cassette 1 is inserted into the cassette accommodating portion 20 as shown in FIG. When the cassette guide 22 is configured to escape in the direction of the arrow e 'against the spring, the small cassette inlet 22 is provided at the front and rear ends of the small cassette guide 22 on the operator side 8 and the cassette transfer machine side 10. Even if only the first and second guide surfaces 75a and 75b of the guide 71 are formed, the guide action between the inner wall 21a of the small cassette 2 inserted into the cassette accommodating portion 20 and the small cassette guide 22 and the cassette Storage section 20
Small cassette guide for large cassette 1 inserted in
The function of allowing the 22 to escape to the outside of the cassette storage section 20 can be performed.

H According to the large and small cassette accommodating apparatus of the present invention, when inserting a small cassette into the cassette insertion slot, one small cassette entrance guide provided near the cassette insertion slot of the cassette storage section is used. As a guide, the insertion of the small cassette into the cassette storage portion can be performed very easily.

In addition, since the small cassette entrance guide is only urged to move into the inside of the cassette accommodating section, when the large cassette is inserted, the second guide surface is pressed by the large cassette and the outside of the cassette accommodating section is pressed. To prevent the insertion of a large cassette.

Further, the number of small cassette guides in the cassette accommodating section can be reduced to one in accordance with one small cassette entrance guide, and it is possible to reliably cope with the selective insertion of large and small cassettes with a small number of parts.

[Brief description of the drawings]

1 shows an embodiment of the present invention. FIG. 1 is a perspective view illustrating a small cassette guide and a small cassette guide, and FIGS. 2A to 2C are small cassette guides of a large and small cassette combined storage device. FIG. 3A and FIG. 3B are cross-sectional views taken along arrows IIIA-IIIA in FIG. 2A and arrows IIIB-IIIB in FIG. 2B, and FIG. 4A. And the first
4B is a view taken along the line IV A-IV A in FIG. 2A and IV B-IV B in FIG. 2B.
5A and 5B are cross-sectional views taken along the line VV in FIG. 2B, FIG. 6 is a front view illustrating a driving mechanism of the small cassette guide, FIG. 7A and FIG. Fig. 7B is VII-VII in Fig. 6.
8A and 8B are sectional views taken along arrows, and FIG.
9A to 9E are plan views illustrating the control mechanism of the entire large and small cassette storage device, and FIG. 10 is a plan view of the entire cassette autochanger. In addition, in the reference numerals used in the drawings, 1 ... large cassette 2 ... small cassette 3 ... large and small cassette combined storage device 9 ... cassette insertion slot 20 ... cassette storage section 22 ... small cassette guide 71 ... small cassette entrance Guide 73: Spring (biasing means) 75a, 75b: First guide surface 76a, 76b: Second guide surface.

Claims (1)

(57) [Claims] 1. A large- and small-cassette storage device for selectively storing a large cassette and a small cassette in a cassette storage portion, wherein the storage device is configured to be movable between the outside and the inside of the cassette storage portion. A small cassette guide for guiding the small cassette to be inserted into the cassette storage portion and being released to the outside of the cassette storage portion when the large cassette is inserted into the cassette storage portion; and a cassette insertion opening of the cassette storage portion A small cassette entrance guide which is disposed in the vicinity of the cassette housing so as to be movable between the inside and the outside of the cassette housing, and is urged to move inside the cassette housing; The cassette guide and the small cassette entrance guide are connected to one inner wall of the cassette accommodating portion and the small cassette guide and the small cassette. A first guide surface and a second guide surface are formed in the small cassette entrance guide so as to guide the small cassette inserted into the cassette storage portion between the small cassette entrance guide and the entrance guide; The small cassette inserted into the cassette storage portion is guided by the first guide surface between the small cassette guide and one of the inner walls of the cassette storage portion, and the small cassette is inserted into the cassette storage portion. On the other hand, the cassette inlet guide is configured to escape to the outside of the cassette storage portion by the second guide surface, and the storage device for both large and small cassettes is provided.