JPH0743794Y2 - Cassettes - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a cassette auto-engineer which is suitable for continuous continuous video playback and recording for a long time in a television broadcasting station, for example.

[Outline of device]

The present invention is equipped with a cassette storage shelf in which a large number of cassettes are stored, a cassette transfer device, and a recording / reproducing device. The cassette transfer device is provided for selective automatic cassette exchange between the cassette storage shelf and the recording / reproducing device. In the cassette autochanger configured to perform the second member, the second member is urged by the backward movement by moving the first member from the backward movement position to the forward movement position by the pressing means of the cassette transfer machine. By moving the cassette from the backward movement position to the forward movement position against the means and pushing the cassette stored in the cassette storage shelf to the cassette transfer machine side by this second member, The accident that the cassette stored in the cassette storage rack unexpectedly jumps out to the cassette transfer device and accidentally collides with the cassette transfer device due to some inconvenience can be prevented. It is.

[Conventional technology]

The applicant of the present invention has proposed, for example, Japanese Patent Application No. 61-8 as a prior application example of a cassette auto-chassis using a video cassette.
I applied for 3567 first.

In this prior application, when the cassette is returned from the cassette transfer device to the cassette storage shelf, the cassette pushing force is charged to the forward biasing spring of the cassette pushing member, and the cassette pushing member is moved to the locking position at the return position. To lock. Then, by unlocking the lock of the locking mechanism by the lock releasing means provided in the cassette transfer device, the cassette pushing member is moved from the backward movement position to the forward movement position by the forward movement biasing spring. The cassette pushing member pushes the cassette from the cassette storage rack to the cassette transfer machine.

According to this prior application, the cassette can be quickly transferred from the cassette storage shelf to the cassette transfer machine.

[Problems to be solved by the invention]

However, in this prior application example, if the locking by the locking mechanism is unexpectedly released due to some inconvenience, the cassette pushing member is moved from the backward movement position by the forward movement biasing spring. Since the cassette is unintentionally moved to the moving position, the cassette is unexpectedly pushed out of the cassette storage rack by the cassette pushing member and is ejected to the cassette transfer machine side. Then, there is a risk that the cassette transporter unexpectedly collides with the projecting cassette and the two are damaged.

The present invention has been made in order to solve the above problems, and provides a cassette autochanger in which there is no danger that the cassette stored in the cassette storage shelf unexpectedly jumps out to the cassette transfer machine side. It is provided.

[Means for Solving the Problems] The present invention provides a shelf block having a large number of cassette storage shelves in which cassettes are stored, a plurality of recording or reproducing devices into which the cassettes are selectively inserted, In a cassette autochanger equipped with a cassette storage shelf and a cassette transfer device for delivering and transporting cassettes to and from the recording or reproducing device, a first reciprocating movement for prohibiting ejection of the cassette stored in the cassette storage shelf. Movably attached to the cassette storage shelf between a position and a first forward movement position that enables ejection of the cassette stored in the cassette storage shelf, and the first biasing member allows the first biasing member to move.
A second member for holding the cassette stored in the cassette storage rack and a second forward movement for discharging the cassette from the cassette storage rack. A cassette stored in the cassette storage rack that is movably attached to the storage rack between the positions and is urged back to the second return position by the second urging member and stored in the cassette storage rack. In order to discharge from the shelf to the cassette transfer machine, the second biasing member is operated in association with the movement of the first member from the first backward movement position to the first forward movement position. Then, the second member moved from the second backward movement position to the second forward movement position and the one end of the first member attached to the cassette transfer machine on the cassette transfer machine side are attached. By pressing the first member against the first biasing member, From backward position a cassette autochanger, characterized in that a pressing member for moving to the first forward position.

[Action]

According to the cassette autochanger in the present invention,
The second member is always moved back to the returning position on the side opposite to the cassette pushing direction toward the cassette transfer device by the returning urging means, and the pressing means of the cassette transfer device is moved to the first position. Only when the first member is pushed, the second member is moved to the forward movement position against the backward urging means so that the cassette is pushed out from the cassette storage shelf to the cassette transfer machine side. Therefore, there is no risk of accidentally ejecting the cassette stored in the cassette storage rack to the cassette transfer device due to some inconvenience.

〔Example〕

An embodiment in which the present invention is applied to a cassette auto-chassis using a video cassette will be described with reference to the drawings.

First, the cassette cassette will be described with reference to FIGS. 5 and 6.

First of all, this cassette auto-engineer is a large-sized machine that can store many hundreds of cassettes 1, such as several hundreds. Further, a plurality of shelf blocks 3 provided on a large number of cassette storage shelves 2 for accommodating the large number of cassettes 1 in a plurality of rows (30 to 50) in a horizontal row (5 to 10 rows) are shown in FIG. The cassette transfer unit 4 is arranged in two rows along the front and rear sides of the moving path 5 of the cassette transfer unit 4 which is moved in the horizontal direction and the horizontal direction. The two shelf blocks 3 arranged on the operator side (front side) 6 are configured to be openable and closable in a double door shape, and the two shelf blocks 3 arranged on the rear side are fixed. And, on one side of the moving path 5, a plurality of upper and lower recording / reproducing devices (cassette type video tape recorder) are provided.
8 are arranged. Each recording / reproducing apparatus 8 has an operation surface 8a provided with various operation buttons and indicators on the operator side 6, and a cassette insertion port 9 on the lateral side surface 8b on the cassette transfer machine 4 side. Is. And
A plurality of upper and lower cassette rotating devices 10 are arranged between each recording / reproducing device 8 and the shelf block 2 in a state of being opposed to the cassette insertion opening 9 of each recording / reproducing device 8.

Then, this cassette auto-changer is moved by the cassette transfer device 4 which is moved vertically and horizontally.
At the cassette transfer machine side 11 of a large number of cassette storage shelves 2, the cassettes 1 are sequentially taken out from designated shelf addresses. Then, the cassette 1 taken out is automatically transferred by the cassette transfer device 4 and selectively and sequentially supplied to each cassette rotating device 10. Then, after the direction of the supplied cassette 1 is rotated by 90 ° by each cassette rotating device 10, each cassette 1 is sequentially and selectively supplied into the cassette insertion opening 9 of each recording / reproducing device 8 from its longitudinal direction. To do. Then, using a plurality of recording / reproducing devices 8, continuous video reproduction or recording for a long time is performed. Each cassette 1 for which video reproduction and recording have been completed is returned to the original designated shelf address of the cassette storage shelf 2 by the reverse operation of the above operation.

Next, details of the cassette storage shelf 2 will be described with reference to FIGS. 1 to 4.

The cassette storage shelf 2 is made of synthetic resin, and has two substantially linear recesses 13 and 14 parallel to the horizontal upper surface 2a.
And a substantially circular recess 15 disposed between them. Then, the first member 16 is arranged in the recess 13, the second member 17 is arranged in the recess 14, and the third member
18 is arranged in the recess 15.

The first member 16 is composed of a horizontal plate made of synthetic resin, and a cassette part 19 is vertically integrally formed on the outer end of the cassette transfer machine side, and the cassette is formed. The lock part 19 is provided with a slope 20. A rack 21 is integrally formed on the inner surface of the first member 16 on the concave portion 15 side. The first member 16 is a pair of long holes.
22 and 23 are loosely fitted to a pair of guide pins 24 and 25 fixed in the recess 13 of the cassette storage shelf 2, and an arcuate portion 22a is provided at one end of one elongated hole 22. Therefore,
The first member 16 is guided by the long holes 22 and 23 and the guide pins 24 and 25, and has a backward moving position shown by a solid line in FIG. 1A and a forward moving position shown in FIG. 1B in the recess 13. (Tension spring) 26 that is configured to be movable between the
Thus, the first member 16 is biased to the returning position.

The second member 17 is composed of a horizontal plate formed of synthetic resin, and a rack 27 is integrally formed on the inner surface of the recess 15 side thereof. The second member 17 has a guide pin 29 fixed to the recess 14 of the cassette storage shelf 2 by a long hole 28.
And a pair of guide portions 39 on both sides of the recess 14.
Is provided. Therefore, the second member 17 is guided by the elongated hole 28, the guide pin 29 and the both guide portions 30 to form the concave portion.
A spring (tension spring) which is configured to be movable between the backward movement position shown in FIG. 1A and the forward movement position shown in FIG. 1B in 14 and is a backward movement urging means. The second member by 31
17 is urged to return to the return position.

The third member 18 is composed of a gear molded of synthetic resin, and a pair of upper and lower fan-shaped gears 32 and 33 with which both racks 21 and 27 are meshed are integrally molded to the third member 18. There is.

A contact portion 34 is attached to the end of the second member 17 on the operator side 6. As shown in FIGS. 3 and 4, the abutting portion 34 is rotatably mounted in the recess 35 provided in the second member 17 via the fulcrum pin 36, and An abutting position shown by a solid line in FIG. 4 (a position standing substantially vertically above the second member 17) and a releasing position shown by a chain line in FIGS. 3 and 4 (a second member 17 and It is configured to be movable between a substantially horizontal position and a substantially horizontal position). Then, the contact portion 34 is urged back to the contact position by a spring (torsion coil spring) 37 which is a return urging means, and the stopper 38 provided integrally with the contact portion 34 is The upper surface of the second member 17 is brought into contact with the upper surface of the second member 17 to be held substantially vertically. A notch 39 for inserting a finger is provided on the operator side 6 of the cassette storage shelf 2.

Next, the operation of inserting and ejecting the cassette 1 into and from the cassette storage shelf 2 will be described.

First, as shown by the one-dot chain line in FIG. 1A, when the cassette 1 is inserted from the cassette transfer unit 4 onto the cassette storage shelf 2 in the direction of the arrow a, one corner 1a of the cassette 1 is inserted.
Is brought into contact with the slope 20 of the cassette lock portion 19 in the direction of arrow a. At this time, due to the guiding action of the slope 20, the cassette lock portion 19 is pushed in the direction of arrow a and escapes in the direction of arrow b, so that the first member 16 has the arc-shaped portion of the slot 22.
It is guided by 22a and once escapes against the spring 26 to the position shown by the alternate long and short dash line in FIG. 1A. Then, as shown by the chain double-dashed line in FIG. 1A, when the cassette 1 is completely inserted into the cassette storage rack 2, the first member 16 is moved to the return position shown by the solid line in FIG. It is revived. And both end surfaces 1b, 1c of the cassette 1 completely inserted in the cassette storage shelf 2
The cassette 1 is brought into contact with the contact portion 34 and the cassette lock portion 19, so that the cassette 1 is safely stored on the cassette storage rack 2.

Next, as shown in FIG. 1B, when pushing the cassette 1 stored on the cassette storage rack 2 toward the cassette transfer device side 11 in the direction of arrow c, the pressing means 40 provided on the cassette transfer device 4 is used. Pushes the end surface 16a of the first member 16 on the cassette transfer machine side in the direction of arrow d. Then, the first member 16 is once moved to the position shown by the alternate long and short dash line in FIG. 1A by the guiding action of the arcuate portion 22a of the long hole 22, and the cassette lock portion 29 is moved to one side surface of the cassette 1. After being released from 1d in the direction of arrow b, the first member 16 is moved to the forward movement position in the direction of arrow e by being guided by the long holes 22, 23 and the guide pins 24, 25. However, at this time, the rack 21 of the first member 16 is engaged with the sector gear 32 of the third member 18 to rotate the third member 18 in the direction of the arrow f, and the third member 18 is rotated. Fan gear 33
Drives the rack 27 of the second member 17, and the second member 17 is guided by the elongated hole 28, the guide pin 29 and both guide portions 30 and moved to the forward movement position in the direction of arrow c. As a result,
As shown in FIG. 2, the contact portion 34 of the second member 17 passes through the end surface 1b of the cassette 1 in the direction of arrow c, and the cassette 1 moves from the cassette storage shelf 2 toward the cassette transfer device 4 in the direction of arrow c. After being pushed out, the cassette 1 is inserted and held in the cassette holding portion 4a of the cassette transfer machine 4 in the direction of arrow c. At this time, since the radius of the fan gear 33 is larger than the radius of the fan gear 32, the arrow e of the first member 16 is indicated.
The movement stroke of the second member 17 in the direction of arrow c is larger than the movement stroke of the direction, and the second member 17 surely inserts the cassette 1 into the cassette transfer machine 4.

By the way, as shown by the solid line in FIG. 1A, the rack 21 is disengaged from the sector gear 32 of the third member 18 when the first member 16 is returned to the returning position. Therefore, as shown by the chain double-dashed line in FIG. 1A, when the cassette 1 is stored on the cassette storage shelf 2, from the operator side, the contact portion
34 is inadvertently pushed in the direction of arrow c, and the rack 27 of the second member 17 causes the third member 18 to move through the fan gear 33 to the direction of arrow f.
Even if the first member 16 is rotated in the direction, the first member 16 does not move in the direction of the arrow e. Therefore, since the cassette part 19 is not accidentally removed in the direction of the arrow b, even if the contact part 34 is carelessly pushed in the direction of the arrow c, the end surface 1c of the cassette 1 contacts the cassette part 19. The cassette 1 is prevented from being inadvertently pushed out to the cassette transfer machine side 11 by being contacted.

In short, as shown in FIG. 1B, unless the first member 16 is pushed in the direction of arrow d by the pushing means 40 of the cassette transfer machine 4, it is stored on the cassette storage rack 2 by any other external force. Insert cassette 1 to cassette transfer machine side 11
It cannot be unexpectedly extruded.

Next, as shown in FIG. 2, the contact portion 34 is moved from the contact position shown by the solid line in FIGS. If you tilt it down in the direction of arrow g, insert your fingers into the notch 39 of the cassette storage shelf 2, pinch the cassette 1, and then insert the cassette 1 into the cassette storage shelf 2.
It can be freely withdrawn from above to the operator side 6 in the direction of arrow h. On the contrary, the removed cassette 1 can be freely inserted into the cassette storage shelf 2 from the operator side 6 in the direction of arrow c. When the finger is released from the abutting portion 34 tilted in the arrow g direction, the abutting portion 34 is rotated in the arrow i direction by the spring 37 and automatically returned to the abutting position.

7 and 8 show the first member 16 and the second member 17.
It is a modification of the interlocking mechanism with.

And FIG. 7 shows the first member moved in the direction of arrow e.
The rack 21 of 16 drives the gear 42 of the second member 17 to rotate the gear 42 around the fulcrum shaft 43 in the direction of the arrow j to contact the contact portion.
The cassette 1 is extruded in the direction of arrow c by 34.

Further, FIG. 8 shows the second member 17 which is moved in the direction of arrow e.
The free end 45 of the second member 17 is pushed by the tip end 44 of the second member 17 and rotated in the arrow j direction about the fulcrum shaft 46 so that the abutment portion 34 pushes the cassette 1 in the arrow c direction. It was done.

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

Further, the present invention is not limited to a cassette auto-chassis using a video cassette, but can be applied to various cassettes and cartridge auto-cassettes containing various recording media such as magnetic tapes and optical discs.

[Effect of device]

As described above, only when the pressing means presses the first member, first, the first member having the lock function for prohibiting cassette ejection is released, and then the movement of the first member is interlocked. Then, the second member is moved to the forward movement position against the second biasing means, and the cassette is pushed out from the cassette storage shelf to the cassette transfer machine. Therefore,
In the present invention, the first member is moved and biased to a position where the cassette ejection is prohibited, and further, the second member is moved and biased to the side opposite to the cassette pushing direction to the cassette transfer machine side. Therefore, the risk of accidentally popping out the cassette stored in the cassette storage shelf to the cassette transfer machine side is double prevented, and the cassette pops out from the cassette storage shelf to the cassette transfer machine side, and the popped-out cassette In addition, it is possible to prevent the cassette and the cassette transporter from accidentally colliding with each other and damaging the cassette and the cassette transporter with each other. Further, since the first member has a lock function of prohibiting cassette ejection, it is not necessary to separately provide a lock mechanism, and there is a special effect that simplification of the mechanism and cost reduction can be achieved.

[Brief description of drawings]

1A and 1B are plan views of a cassette storage shelf, FIG. 2 is a vertical sectional view of the cassette storage shelf, and FIG. 3 is a cassette storage shelf. FIG. 4 is a side view of the operator side, FIG. 4 is a perspective view of the contact portion, FIG. 5 is a front view of the entire cassette auto chain, and FIG. 6 is a side view of the entire cassette auto chain. [Fig. 6] is a plan view showing a modified example of the interlocking mechanism of the first member and the second member. Further, in the reference numerals used in the drawings, 1 ... cassette 2 ... cassette storage shelf 4 ... cassette transporter 6 ... operator side 8 ... recording / reproducing device 11 ... cassette transporter side 16 ... first Member 17 ... Second member 26,31 ........ Spring (reciprocating biasing means) 40 ........ Pressing means.

Claims (1)

[Scope of utility model registration request] 1. A shelf block having a large number of cassette storage shelves in which cassettes are stored, a plurality of recording or reproducing devices into which the cassettes are selectively inserted, a large number of the cassette storing shelves and the recording or reproducing devices. In a cassette autochanger equipped with a cassette transfer device for transferring and transporting cassettes to and from a cassette, the first retracted position for prohibiting ejection of the cassette stored in the cassette storage shelf and the cassette storage shelf stored in the cassette storage shelf. Is attached to the cassette storage rack so as to be movable between the first forward movement position and the first forward movement position, and is urged back to the first backward movement position by the first urging member. A first member, a second backward movement position for holding the cassette stored in the cassette storage rack, and a second forward movement position for discharging the cassette from the cassette storage rack. Between the cassette storage shelves and the cassettes stored in the cassette storage shelves, the cassettes being movably attached to the storage shelves and being urged back to the second return position by the second urging member. In association with the movement of the first member from the first return position to the first forward position for discharging to the cassette transfer machine, the second biasing member is resisted, A second member that is moved from the second backward movement position to the second forward movement position, and is attached to the cassette transfer machine, and presses one end of the first member on the cassette transfer machine side. A cassette automatic changer comprising a pressing member that moves the first member against the first biasing member from the first backward movement position to the first forward movement position.