JPH10188416A - Cassette housing rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To release the lock without separately providing a mechanism releasing a stopper for preventing the drop of cassette on the cassette transporting device side. SOLUTION: The stoppers 17 for preventing the drop of cassette are provided around a cassette port 4 of a cassette housing room 3, and these stoppers 17 for preventing the drop of cassette are constituted so as to freely move between the positions of stoppers to interrupt the ejection of the housed cassettes K1 , K2 and the release positions to allow the ejection of the housed cassettes K1 , K2 , and twist coil springs 19 are provided for energizing the stoppers 17 for preventing the drop of cassette to the sides of stopper positions, and also on the stoppers 17 for preventing the drop of cassette, surface 17a to be pressed are provided for receiving the pressing force displacing the cassette to the release position from the stopper position against the energizing force of the twist coil springs 19, from a lower hand piece 24 in the process of inserting operation of a pair of upper/lower hand pieces 23, 24 at the side of cassette transporting device 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette storage shelf capable of storing cassettes having different sizes, and more particularly to a cassette storage shelf suitable for use in a cassette changer device.

[0002]

2. Description of the Related Art For example, a cassette changer apparatus has a cassette changer main body in which a recording / reproducing apparatus and a cassette shelf are arranged, and a cassette transporter moving in the cassette changer main body. The cassette is automatically transported between the cassette storage shelf and the like. In some cases, a cassette drop prevention stopper is provided in each cassette storage chamber of the cassette storage shelf so that the stored cassette does not drop due to vibration or the like.

A conventional cassette drop prevention stopper is configured to be movable between a stopper position for preventing cassette discharge and a release position for allowing cassette discharge, and the cassette drop prevention stopper is moved to the stopper position side. A biasing spring is provided. Then, a stopper releasing member is provided on the cassette gripping body on the side of the cassette transporter. After the stopper releasing member displaces the stopper for preventing the cassette from falling to the releasing position, for example, the cassette hand grips the cassette and takes out the cassette. Had gone.

[0004]

However, according to the above-mentioned prior art, a cassette release member for releasing the stopper for preventing the cassette from falling must be provided on the cassette transporter side, which increases the number of parts and increases the cost. Was causing it. In addition, since the cassette transporter is a moving body that moves within the cassette changer body, it is desirable to reduce the number of parts as much as possible in order to reduce the weight.

Accordingly, an object of the present invention is to provide a cassette storage shelf which does not require a separate mechanism for releasing a cassette drop prevention stopper on the cassette transporter side.

[0006]

According to the present invention, there is provided a cassette storage shelf provided with a stopper for preventing a cassette from being dropped near a cassette insertion opening of a cassette storage chamber.
The cassette drop prevention stopper is configured to be movable between a stopper position for preventing the stored cassette from being discharged and a release position for allowing the stored cassette to be discharged, and the cassette drop prevention stopper is moved to the stopper position. The cassette drop prevention stopper is provided in the cassette hand preventing stopper during the insertion operation of the cassette hand on the cassette transporter side from the stopper position against the urging force of the biasing means from the cassette hand. A pressed surface is provided for receiving a pressing force for displacing to the release position.

Accordingly, when the cassette hand on the cassette transporter side inserts the cassette into the cassette storage chamber to hold the cassette, the cassette hand displaces the cassette drop prevention stopper from the stopper position to the release position.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, a case where the present invention is applied to a cassette changer device is shown. The cassette changer device includes a cassette changer main body in which a recording / reproducing device and a cassette storage shelf are arranged, and a cassette transporter moving in the cassette changer main body. This cassette transporter automatically transports a cassette between a recording / reproducing device and a cassette storage shelf or the like.

FIG. 2 is a perspective view of the cassette storage shelf 1. In FIG. 2, the cassette storage shelf 1 has a rectangular shape, and the inside thereof is vertically partitioned by a number of partition walls 2 arranged at regular intervals. The space partitioned by the partition wall 2 is configured as a cassette storage room 3, and the front side of each of the cassette storage rooms 3 is opened as a cassette insertion opening 4.

FIGS. 1 and 3 show the detailed structure of the cassette storage chamber 3. FIG. 1 and 3, both side walls of the cassette storage chamber 3 are provided with a pair of large cassette insertion guides 5.
The pair of large cassette insertion guides 5
It is set slightly larger than the width dimension of the large cassette K ₁ is. In the bottom 6 side of the cassette accommodation chamber 3, and left and right lower face cutout groove 7 large cassette K ₁ (FIG. 4 (b) and 5
(B). The pair of right and left cassette guides 8 is provided at a position corresponding to ()).

Each cassette guide 8 is formed in a substantially T-shape by a small cassette insertion guide portion 8a and a cassette insertion restriction portion 8b. The cassette insertion restriction portion 8b is formed with a stopper locking groove 8c. I have. The distance between the pair of small cassette insertion guide portion 8a is set slightly larger than the width dimension of the small cassette K _2. A slide pin 9 is provided on the lower surface of each small cassette insertion guide portion 8a, and each slide pin 9 is inserted into a pair of left and right guide holes 10 formed on the bottom surface 6. The pair of guide holes 10 extend in the cassette insertion / extraction direction. The pair of cassette guides 8 are moved between a first position (solid line position in FIG. 1) and a second position (virtual line position in FIG. 1) by the slide pins 9 moving from one end to the other in the guide hole 10. Slide in the cassette insertion / extraction direction with. In the first position to restrict the insertion front end face 30 and both side surfaces of the small cassette K ₂ in which a pair of cassette guide 8 is inserted, the insertion front end surface of the large cassette K ₁ in which a pair of cassette guide 8 is inserted in the second position 30 to regulate, in the case of this both are set so that the position of each insertion rear end surface 31 of the small cassette K ₂ large cassette K ₁ coincides.

A tension coil spring 11 is hung between the cassette insertion restricting portion 8b of each cassette guide 8 and the bottom surface 6 side. Each cassette guide 8 is urged toward the first position by the spring force. I have. The tension coil spring 11 is configured as a return unit for automatically returning the cassette guide 8 from the second position to the first position.

A pair of left and right rotary arm members 12 is disposed below the bottom surface 6 of the cassette storage chamber 3, and one end of each rotary arm member 12 is rotatably supported by each support shaft 13. A stopper portion 14 and a lock release portion 15 are provided on the other end of each of the rotary arm members 12 branched into two. This stopper part 1
4 and the unlocking portion 15 are moved upward by the rotation of the rotary arm member 12 so as to protrude above the respective holes of the bottom surface 6.
It is displaced between a lower position that retreats downward. Further, a spring force of a spring 16 acts on each of the rotary arm members 12, and each of the rotary arm members 12 is urged toward the upper position side by each of the spring forces.

Each of the stopper portions 14 is located at a position where the pair of cassette guides 8 is inserted into and removed from the stopper locking groove 8c of the cassette guide 8 when the cassette guide 8 is at the first position. Also, FIG.
0 (a) and (b), the upper surface of each stopper portion 14 is formed as an R-shaped surface 14a in the cassette insertion direction, and when the cassette guide 8 returns from the second position to the first position, the cassette Due to the pressing force from the guide 8, it retreats to the lower position against the spring force of the spring 16 (FIG. 10).
(A)), when the cassette guide 8 returns to the first position, it projects to the upper position by the spring force of the spring 16 (FIG. 10).
(B)).

The pair of unlocking portions 15 is a small cassette K ₂
Instead of inserting the slide area, and is disposed in the insertion sliding area of the large cassette K ₁ only, the large cassette K ₁
In the insertion operation process only is pressed against the large cassette K ₁ is displaced downward position against the spring force of the spring 16.

Further, at the bottom surface 6 of the cassette storage chamber 3 and at left-right symmetrical positions near the cassette insertion opening 4, stoppers 17 for preventing the cassette from falling are arranged.
One end of the pair of left and right cassette drop prevention stoppers 17 is rotatably supported by each support shaft 18, and the other end of the cassette drop prevention stopper 17 is a stopper position shown by a solid line in FIG. 6 and a solid line in FIG. Is at least rotationally displaced from the release position indicated by. The other end of the cassette drop prevention stopper 17 is arranged so as to be on the end face 3 side after insertion of the stored cassettes K ₁ and K ₂ . At the stopper position, the stored cassettes K ₁ and K ₂ are prevented from being discharged, and at the release position, the stored cassettes K ₁ and K ₂ are allowed to be discharged.

Both ends of a torsion coil spring 19 supported on each support shaft 18 are engaged between each cassette drop prevention stopper 17 and the protruding portion 6b on the bottom surface 6 side. Each cassette drop prevention stopper 17 is urged toward the stopper position indicated by a solid line in FIG. 6 by the spring force of each torsion coil spring 19 as the urging means. Pressed surfaces 17a are provided at portions of the pair of right and left cassette stoppers 17 near the center, respectively, and the pressed surfaces 17a are located in front of the cassette insertion direction with respect to a horizontal plane. It is configured as an increasing taper surface. That is, in the process of inserting the lower hand piece 24, it receives a pressing force for displacing from the stopper position to the release position against the spring force of the torsion coil spring 19.

Further, a hand piece insertion groove 6a which is one step lower than the other bottom face 6 is provided on the bottom surface 6 of the cassette storage chamber 3 and at the center of the cassette insertion port 4 side. The width and depth of 6a are set slightly larger than the width and thickness of the lower hand piece 24 described below.

On the other hand, the cassette transporter 20 is configured to be movable in the horizontal and vertical directions, and the cassette gripper 21 of the cassette transporter 20 is configured to be movable in the front-rear direction with respect to the transporter main body 22. A pair of upper and lower hand pieces 23, which are cassette hands,
The lower hand piece 24 is fixed to the cassette grip 21. The upper hand piece 23 is configured to be vertically movable by being guided by a guide rail 25. By moving the upper hand piece 23 up and down, the distance between the pair of upper and lower hand pieces 23 and 24 can be freely changed. it can. The dimensional relationship between the width of the lower hand piece 24 and the distance between the pair of cassette drop prevention stoppers 17 is such that both end portions of the lower hand piece 24 abut against the pressed surfaces 17a of the pair of cassette drop prevention stoppers 17. Dimensions are set.

The operation of the above configuration will be described below. First,
The case where the cassette transporter 20 carries the cassettes K ₁ and K ₂ into the cassette storage shelf 1 will be described. With the pair of hand pieces 23 and 24 gripping the cassettes K ₁ and K ₂ , the cassette transporter 20 moves inside the cassette changer body,
The cassette holding body 21 is located at a position facing the target cassette storage chamber 3 of the cassette storage shelf 1. Next, the cassette holding body 21 moves forward. Then, the front end surfaces 30 of the cassettes K ₁ and K ₂ press the pair of cassette drop prevention stoppers 17, and the pair of cassette drop prevention stoppers 17 move from the stopper position to the release position against the spring force of the torsion coil spring 19. The cassettes K ₁ and K ₂ are allowed to be displaced and inserted.

[0021] Here, both sides of the small cassette K ₂ is guided into the small cassette insertion guide 8a of a pair of cassette guide 8 when the type of the cassette K _1, K ₂ is smaller cassette K _2, and a small the lower surface of the cassette K ₂ is inserted into the cassette housing chamber 3 while sliding on the bottom surface 6. Since the insertion front end surface 30 of the small cassette K ₂ is the hits the cassette insertion restricting portion 8b of the pair of cassette guides 8 pair of cassette guide 8 in the first position is locked by the stopper portion 14, of the above Insertion is prevented. That is, FIG. 4 (a), the as shown in FIG. 5 (a), position the small cassette K ₂ is to abut against the cassette insertion restricting portion 8b of the pair of cassette guides 8 the insertion front end surface 30 is positioned in the first location And is stored with its lower surface in contact with the bottom surface 6.

When the type of the cassettes K ₁ and K ₂ is the large cassette K ₁ , the cassettes K ₁ are inserted into the cassette storage chamber 3 while both sides of the large cassette K ₁ are guided by the pair of large cassette insertion guides 5. . Since the pair of lower surface cutout groove 7 large cassette K ₁ corresponds to the position of the small cassette insertion guide portion 8a of the pair of cassette guide 8, will not be a pair of cassette guide 8 is an obstacle to the insertion . This presses the unlock portion 15 in the insertion process of the large cassette K _1, the unlocking portion 15 is displaced to the lower position against the spring force of the spring 16. Since the stopper 14 is also displaced to the lower position by the displacement of the lock release unit 15, the lock of the pair of cassette guides 8 is released. When the insertion of the large cassette K ₁ proceeds, but inserting the front end face 30 of the large cassette K ₁ comes into contact with the cassette insertion restricting portion 8b of the pair of cassette guides 8, further for locking a pair of cassette guide 8 is released Insertion is allowed. Inserting further the large cassette K ₁ from this state, the pair of cassette guides 8 are moved together with the large cassette K ₁ against the spring force of the tension coil spring 11. Then, a pair of cassette guide 8 when displaced to the second position, for which further movement is not possible, the insertion of the large cassette K ₁ is prevented. That is, FIG.
Figure 5 (b), the large cassette K ₁ pair of cassette guide 8 where the insertion front end surface 30 is positioned at the second position
Is stored at a position where it comes into contact with the cassette insertion restricting portion 8b and its lower surface is in contact with the bottom surface 6.

FIGS. 4A and 4B and FIGS.
(B), the case of regulating the small cassette K ₂ by the pair of cassette guides 8 of the first position, in the case of regulating the large cassette K ₁ by the pair of cassette guides 8 of the second position the small cassette K ₂ and the insert rear surface 31 of the large cassette K ₁
Located in the match, and a small cassette K ₂ and the large cassette K ₁
The height is stored the same.

When the cassettes K ₁ and K ₂ are stored in the cassette storage chamber 3 and the cassette gripping body 21 moves rearward, the pair of cassette drop prevention stoppers 17 is moved from the release position by the spring force of the torsion coil spring 19. Return to position. From the cassette K _1, K ₂ is the cassette containing chamber 3 for the cassette K _1, K ₂ the cassette fall prevention stopper 17 be applied force of the discharge direction to the vibration or the like to prevent movement of the cassette K _1, K ₂ It does not fall.

When a person manually removes the cassettes K ₁ and K ₂ from the cassette storage chamber 3, the rear end of the cassettes K ₁ and K ₂ is slightly lifted to easily pass over the cassette drop prevention stopper 17. And no special mechanism or operation is required.

Next, the case where the cassette transporter 20 carries out the cassettes K ₁ and K ₂ from the cassette storage shelf 1 will be described. The pair of hand pieces 23 and 24 are cassette K ₁ ,
Cassette transfer unit 20 in a state that does not grip the K ₂ moves within the cassette changer body, a cassette gripper 21 is positioned in the cassette-facing position of the housing chamber 3 of the object of the cassette storage rack 1. Since storage height of the large cassette K ₁ and the small cassette K ₂ are the same, it is easy to control the positioning. Next, as shown in FIGS. 6 and 7, a pair of hand pieces 23,
The cassette holder 21 moves forward with the gap 24 slightly larger than the thickness of the cassettes K ₁ and K ₂ . Then, the lower hand piece 24 presses the pressed surfaces 17 a of the pair of cassette drop prevention stoppers 17, and the pair of cassette drop prevention stoppers 17 is moved from the stopper position to the release position against the spring force of the torsion coil spring 19. Displace.
Moving further forward from this state, as shown in FIGS. 8 and 9, under the hand piece 24 enters the cassette K _1, K ₂ lower hand piece insertion grooves 6a, the upper hand piece 2
4 is located above the cassettes K ₁ and K ₂ . Next, the upper hand piece 23 is displaced downward, and the cassettes K ₁ and K ₂ are gripped by the pair of upper and lower hand pieces 23 and 24. Since the position of each insert rear face 31 of the large cassette K ₁ and the small cassette K ₂ are the same, a pair of hand piece 23, 24 can reliably grip the cassette K _1, K _2.

When the cassettes K ₁ , K ₂ are gripped by the pair of hand pieces 23, 24, the cassette holder 21 moves rearward, and the cassettes K ₁ , K ₂ are discharged from the cassette storage chamber 3. Here, a pair of cassette guide 8 also pulling each in accordance with the discharging operation of the large cassette K ₁ in the case where the type of the cassette K _1, K ₂ to be discharged is larger cassette K ₁ spring 1
The first spring moves to the first position side. When the pair of cassette guides 8 presses the round surface 14a of the stopper portion 14, the stopper portion 14 is displaced to a lower position against the spring force of the spring 16, and the pair of cassette guides 8 is moved to the first position. Then, the stopper portion 14 is displaced to the upper position by the spring force of the spring force 16.

When the cassettes K ₁ and K ₂ are completely ejected from the cassette storage chamber 3, the pair of cassette stopper stoppers 17 also return to the stopper positions by the spring force of the respective torsion coil springs 19.

In the unloading process, the cassette transporter 2
Since the lower hand piece 24 on the 0 side also releases the pair of cassette drop prevention stoppers 17, it is not necessary to separately provide a configuration (member) for unlocking.

[0030]

As described above, according to the present invention, a stopper for preventing the cassette from dropping is provided near the cassette insertion opening of the cassette storage chamber, and the stopper for preventing the cassette from falling prevents the stored cassette from being discharged. A stopper configured to be movable between a stopper position and a release position allowing discharge of the stored cassette; and a biasing means for biasing the cassette drop prevention stopper toward the stopper position side, wherein the cassette drop prevention stopper is provided. Has a pressed surface which receives a pressing force for displacing the cassette hand from the stopper position to the release position against the urging force of the urging means in the process of inserting the cassette hand on the cassette transporter side. In addition, there is no need to separately provide a mechanism for releasing the cassette drop prevention stopper on the cassette transporter side.
Accordingly, there is an effect that the number of parts on the cassette transporter side is reduced, the cost is reduced, the weight is reduced, and the like.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a cassette storage chamber and a cassette holding body (embodiment).

FIG. 2 is a perspective view of the cassette storage shelf (the embodiment).

FIG. 3 is a partially cutaway plan view of the cassette storage chamber (the embodiment).

FIG. 4A is a plan view of a small cassette stored state, and FIG.
Is a plan view of the large cassette stored state (embodiment).

FIG. 5A is a side view of a small cassette stored state, and FIG.
Is a side view of the large cassette stored state (embodiment).

FIG. 6 is a side view showing the cassette receiving process (the embodiment).

FIG. 7 is a plan view showing the cassette receiving process (the embodiment).

FIG. 8 is a side view showing the cassette receiving process (the embodiment).

FIG. 9 is a plan view (embodiment) showing a cassette receiving process.

FIGS. 10A and 10B are cross-sectional views (embodiments) illustrating a return operation of a stopper portion.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... cassette storage shelf, 3 ... cassette storage room, 4 ... cassette insertion opening, 17 ... cassette fall prevention stopper, 17
a: pressed surface, 19: torsion coil spring (biasing means),
K ₁ : Large cassette, K ₂ : Small cassette.

Claims (1)

[Claims] 1. A cassette drop prevention stopper is provided near a cassette insertion opening of a cassette storage chamber, and the cassette drop prevention stopper is provided with a stopper position for preventing discharge of a stored cassette and discharge of the stored cassette. And a biasing means for biasing the cassette drop prevention stopper toward the stopper position side, wherein the cassette drop prevention stopper is provided with a cassette hand on the cassette transporter side. A cassette receiving shelf provided with a pressed surface for receiving a pressing force for displacing the cassette hand from the stopper position to the release position against the urging force of the urging means during the insertion operation.