JPH11273200A - Loading/unloading device for recording medium cassette - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the pop-out of a recording medium cassette at ejection. SOLUTION: The cassette receiving part of a cassette magazine 23 for housing a plurality of tape cassettes 10 to be freely attached/detached is provided with a lock lever engaged with the lock pin 27 of the cassette magazine for locking the same in the loading position of the cassette receiving part, an engaging means for repulsively engaging the cassette magazine with the engaging recess 26 of the cassette magazine from a direction orthogonal to the attaching/ detaching direction of the cassette receiving part, and a repulsive pressing means for applying the moving force of an ejecting direction to the cassette magazine loaded in the cassette receiving part from the same. At the time of unlocking the cassette magazine from its loading position by the lock lever, the cassette magazine is moved in the ejecting direction by the repulsive pressing means and, at the time of protruding a part thereof from the cassette receiving part, the engaging means is engaged with the engaging recess to stop the movement of the cassette magazine.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a novel recording medium cassette attaching / detaching apparatus. More specifically, the present invention relates to a technique for preventing a recording medium cassette from jumping out at the time of ejection in an apparatus for attaching and detaching a recording medium cassette in which a recording medium is housed in a cassette housing in a recording and reproducing apparatus.

[0002]

2. Description of the Related Art Some recording / reproducing apparatuses include a recording medium cassette attaching / detaching apparatus for attaching / detaching a recording medium cassette comprising a recording medium housed in a cassette housing to / from the apparatus.

In such a recording medium cassette attaching / detaching apparatus, a recording medium cassette alone or a single or a plurality of recording medium cassettes is connected to a cassette magazine (hereinafter, a recording medium cassette and a cassette magazine are collectively referred to as a “recording medium device”). ) Is received in the cassette receiving section, and is received into the apparatus via the cassette receiving section or discharged from the apparatus.

[0004]

Incidentally, in the conventional recording / removing device for a recording medium cassette, the recording medium device jumps out of the cassette receiving portion when ejected from the device, not only when the recording medium device is ejected from the device. There is a problem that it may be.

That is, in a conventional recording medium cassette attaching / detaching apparatus, a means for urging the recording medium apparatus in a discharge direction is provided at the cassette receiving portion, and the recording medium apparatus is ejected by the urging means. And a part thereof is projected from the cassette receiving portion.

However, in the conventional recording medium cassette attaching / detaching apparatus, the amount of projection of the recording medium apparatus from the cassette receiving section is regulated by the frictional force between the cassette receiving section and the recording medium apparatus. However, since there is no means for restricting the inertial force of the recording medium device by being provided with a moving force by the urging means, a dimensional tolerance or the like causes a gap between the cassette receiving portion and the recording medium device as expected. If the frictional force does not work, there is a risk that the recording medium device completely jumps out of the cassette receiving portion and falls, causing damage to the recording medium device.

SUMMARY OF THE INVENTION It is an object of the present invention to prevent a recording medium cassette from jumping out of a cassette receiving portion during ejection.

[0008]

According to the present invention, there is provided a recording / removing apparatus for a recording medium cassette in which a cassette receiving portion engages with a locked portion provided in a recording medium device to solve the above-mentioned problems. Locking means for locking the device at a position mounted on the cassette receiving portion, and a direction perpendicular to a direction in which the recording medium device is attached to and detached from the cassette receiving portion on an engaged portion provided on the recording medium device. Engaging means for resiliently engaging, and resilient biasing means for resiliently biasing a moving force in a direction of discharging from the cassette receiving portion to the recording medium device mounted on the cassette receiving portion. When the lock to the mounting position with respect to the recording medium device by the locking unit is released, the recording medium device is moved in the discharge direction by the resilient biasing unit, and a part thereof protrudes from the cassette receiving unit. When Said engagement means filtrate is what moves in the ejecting direction of the engaging recording medium device with the engaged portion is to stop.

Therefore, in the recording medium cassette attaching / detaching apparatus according to the present invention, when a part of the recording medium apparatus protrudes from the cassette receiving section at the time of ejection, the engaging means provided in the cassette receiving section is connected to the recording medium apparatus. Since the movement of the recording medium device in the discharge direction is stopped by engaging with the engaged portion provided, the recording medium device is prevented from jumping out of the cassette receiving portion.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a recording / removal apparatus for a recording medium cassette according to an embodiment of the present invention.

FIGS. 1 to 3 show the first embodiment.

In the recording medium cassette attaching / detaching apparatus 1, the cassette receiving section 2 receives a cassette magazine 3, and the cassette magazine 3 is a recording medium formed by storing a recording medium such as a magnetic tape in a cassette housing. A plurality of medium cassettes 4 can be accommodated.

The cassette receiving portion 2 includes engaging means 5 and 5 provided on the cassette magazine 3 for engaging with later-described engaged portions, and a cassette with respect to the cassette magazine 3 mounted on the cassette receiving portion 2. Resilient urging means 6 for resiliently urging a moving force in a direction of discharging from the receiving portion 2 (hereinafter, referred to as a “discharging direction”), and further provided in the cassette magazine 3. The cassette magazine 3 is provided with a locking means (not shown) which engages with a locked portion (not shown) to lock the cassette magazine 3 at a position where the cassette magazine 3 is mounted on the cassette receiving portion 2 (hereinafter, referred to as “mounting position”).

The above-mentioned engaging means 5, 5 are attached to and detached from the cassette receiving portion 2 of the cassette magazine 3 in an engaged portion provided in the cassette magazine 3 (hereinafter, referred to as "attaching / detaching direction"). That is, it engages resiliently in a direction orthogonal to the direction of arrow A in FIG. 1, ie, in the direction of arrow B in FIG. 1, and is made of, for example, a leaf spring material.

That is, the engaging means 5 is composed of a main part 5a formed in a long band in the front-rear direction by a leaf spring material and a claw 5b as an engaging part formed at the front end of the main part 5a. The claw portion 5b faces rearward and has a locking portion 5c which is a surface along the direction of arrow B in FIG. 1 and protrudes from an inner end of the locking portion 5c so as to be displaced outward as it goes forward. And an inclined portion 5d. Thus, the engaging means 5 has an elastic force in the direction of arrow B in FIG. 1 due to the bending elasticity of the main portion 5a. The engaging means 5 and 5 are disposed on both sides of the cassette receiving portion 3 with their claws 5b and 5b facing each other.

The engaging means is not limited to the one formed by a leaf spring material as shown in the figure, but engages with an engaged portion of a recording medium device such as a cassette magazine in a direction perpendicular to the attaching / detaching direction. Any configuration may be used, for example, a coil spring may be used so that its resilient force acts in the above-described direction.

The resilient urging means 6, 6 is provided in the cassette receiving section 2
In the cassette magazine 3 mounted in the cassette receiving section 2, the above-described discharge direction, that is, the arrow C in FIG.
For example, it is configured by a coil spring disposed in the back of the cassette receiving portion 2 such that the axial direction thereof is along the above-mentioned attaching / detaching direction.

Incidentally, it is needless to say that the resilient urging means is not limited to the one constituted by the coil spring.

Engagement projections 7 are provided on both left and right side surfaces of the cassette magazine 3 as engagement portions. The engagement projection 7 has inclined surfaces 7a and 7b at the front and rear.

When the cassette magazine 3 is inserted into the cassette receiving portion 2, the engaging projections 7, the rear inclined surfaces 7 b, 7 b and the engaging means 5 of the cassette receiving portion 2,
5 are brought into contact with the inclined portions 5d and 5d of the claw portions 5b and 5b, and the cassette magazine 3 is further inserted into the cassette receiving portion 2 therefrom.
Is pressed substantially outward by the inclined surfaces 7b, 7b, and the main portions 5a, 5a of the engagement means 5, 5 are bent outward so that the claw portions 5b, 5b move outward.
The cassette magazine 3 is moved toward the inside of the cassette receiving portion 2 so that the engaging protrusions 7, 7 go over the claw portions 5b, 5b, and when the engaging protrusions 7, 7 get over the claw portions 5b, 5b. The main parts 5a and 5a of the engaging means 5 and 5 return to the original state, the claws 5b and 5b come into contact with the side surfaces of the cassette magazine 3, and the cassette magazine 3 is further inserted into the cassette receiving section 2. The cassette magazine 3 is inserted into the cassette receiving unit 2 (see FIG. 1).
reference).

During this time, the resilient urging means 6, 6 are compressed by the rear surface of the cassette magazine 3, and the resilient urging means 6, 6 store the resilient force. At the same time when the cassette magazine 3 reaches the position where the cassette magazine 3 is mounted on the cassette receiving section 2, the locked section (not shown) provided on the cassette magazine 3 engages with the locking means (not shown) provided on the cassette receiving section 2, The cassette magazine 3 is locked at the mounting position.

When taking out the cassette magazine 3 from the cassette receiving section 2, the lock to the mounting position by the locking means is released. Then, by being compressed, the resilient force stored in the resilient urging means 6, 6 is released, and the cassette magazine 3 is pressed in the discharging direction (arrow C in FIG. 1). Thereby, the cassette magazine 3
Is moved in the discharge direction. When the cassette magazine 3 is projected from the cassette receiving portion 2 to a predetermined portion, the engaging portions 5 of the cassette receiving portion 2, the claw portions 5 b of the cassette receiving portion 5,
5b is engaged with the front end of the engaging projection 7 of the cassette magazine 3 (see FIG. 2), whereby the cassette magazine 3 is prevented from further projecting from the cassette receiving portion 2. This prevents the cassette magazine 3 from accidentally jumping out of the cassette receiving section 2 and dropping.

Then, when the cassette magazine 3 is pulled in the discharge direction with a portion protruding from the cassette receiving portion 2, the inclined surfaces 7a, 7a on the front side of the engaging projections 7, 7 are engaged with the engaging means 5, 5, respectively. Of the engagement means 5, 5c.
5, the main portions 5a, 5a of the engaging means 5, 5 are bent so that the claw portions 5b, 5b move outward (see FIG. 3), whereby the claw portions 5b, 5b of the engaging means 5, 5 and the engaging protrusions 7, 7 Is disengaged from the cassette magazine 3 and the cassette magazine 3 can be pulled out from the cassette receiving section 2.

FIGS. 4 to 6 show a second embodiment.

The second embodiment differs from the first embodiment only in the engaged portions formed in the cassette magazine, and the other points are the same as those in the first embodiment. Therefore, the different points will be described in detail, and the other points will be described in the first section.
The same reference numerals are given to the same parts as those in the embodiment, and the description is omitted.

In the recording medium cassette attaching / detaching device 1A, engaging concave portions 8 as engaging portions are formed on both left and right side surfaces of the cassette magazine 3A. The engaging recess 8
Is formed to have an engagement surface 8a which is a plane facing substantially forward, and an inclined surface 8b which is displaced outward as going forward from the inner end of the engagement surface 8a.

When the cassette magazine 3A is inserted into the cassette receiving portion 2 in the recording medium cassette attaching / detaching device 1A, the rear ends of the left and right sides thereof and the claw portions 5b of the engaging means 5, 5 are inserted. 5b are brought into contact with the inclined portions 5d and 5d, and the cassette magazine 3A is further inserted into the cassette receiving portion 2 therefrom.
The main parts 5a, 5a of the engaging means 5, 5 are pressed so that the claw parts 5b, 5b are moved outward by the rear ends of both sides of the cassette magazine 3A.
Is bent outward, whereby the cassette magazine 3A is moved toward the inside of the cassette receiving portion 2 such that the rear ends of the both sides of the cassette magazines 5 pass over the claws 5b, 5b, and the rear ends of the both sides are formed with the claws 5b, 5b, the deflection of the main portions 5a, 5a of the engagement means 5, 5 returns to the original position, and the claw portions 5b,
5b fits into the engagement recesses 8,8. Then, the cassette magazine 3A is further moved toward the mounting position, and the cassette magazine 3A is mounted on the cassette receiving section 2 (see FIG. 4).

In the meantime, the claw portions 5b, 5b of the engaging means 5, 5 slide on the inclined surfaces 8b, 8b of the engaging concave portion 8 and slide in contact with the side surfaces of the cassette magazine 3A in a resilient manner. go. Further, the elastic urging means 6, 6 are compressed by the rear surface of the cassette magazine 3A, and the elastic urging means 6, 6 are compressed.
The resilience is stored. At the same time that the cassette magazine 3A reaches the mounting position, the locked portion (not shown) provided on the cassette magazine 3 engages with the locking means (not shown) provided on the cassette receiving portion 2, and the cassette magazine 3 is moved to the mounting position. Locked.

When taking out the cassette magazine 3A from the cassette receiving section 2, the lock to the mounting position by the locking means is released. Then, by being compressed, the resilient force stored in the resilient urging means 6, 6 is released, and the cassette magazine 3A is discharged in the discharging direction (FIG. 1).
Press to middle arrow C). As a result, the cassette magazine 3A is moved in the discharge direction. When the cassette magazine 3A is protruded from the cassette receiving portion 2 to a predetermined portion, the engaging portions 5, 5 of the cassette receiving portion 2 engage with the claw portions 5b, 5b of the cassette magazine 3A.
A engages with the engaging surfaces 8b, 8b of the engaging concave portions 8, 8 of FIG.
Thus, the cassette magazine 3A is prevented from further projecting from the cassette receiving portion 2. This prevents the cassette magazine 3A from accidentally jumping out of the cassette receiving section 2 and dropping.

Then, when the cassette magazine 3A is pulled in the discharge direction with the portion protruding from the cassette receiving portion 2, the portions located on the rear side of the engaging recesses 8, 8 on both side surfaces of the cassette magazine 3A are described above. The claws 5b, 5b of the engagement means 5, 5 are pressed almost outward,
As a result, the main portions 5a, 5a of the engaging means 5, 5 bend so that the claws 5b, 5b move outward (see FIG. 6), whereby the claw 5b of the engaging means 5, 5 is formed. , 5
b is disengaged from the engagement recesses 8, 8, and the cassette magazine 3 </ b> A can be pulled out from the cassette receiving section 2.

In each of the above-described embodiments, the case where a plurality of recording medium cassettes are attached and detached using the cassette magazine 3 or 3A has been described.
The present invention is not limited to the one using the cassette magazine, and the recording medium cassette may be detachably mounted alone. In such a case, in the above embodiment, the cassette magazine 3
Alternatively, what has been described with respect to 3A applies to the recording medium cassette.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a description will be given of an embodiment of a recording / removing apparatus for a recording medium cassette according to the present invention.

In the embodiments shown in FIGS. 7 to 11, the present invention is applied to a tape cassette attaching / detaching device in a cassette library system.

First, the outline of the cassette library system will be described with reference to FIG.

The cassette library system 9 shown in FIG. 7 uses a tape cassette 10 in which a magnetic tape having a tape width of 8 mm is used as a recording medium and is housed in a cassette housing, and a large number of tapes on which digital data is recorded. , A plurality of storage racks 11, 1,.
, And the tape cassette 10 is taken out of the storage racks 11, 11,... By a transport mechanism 12 adapted to transfer the tape cassette 10 up, down, left, right, and back and forth. Tape drive unit 13,
The tape cassette 10 is mounted on one of a plurality of tape streamer drives provided in the tape cassette 13 and data is reproduced or recorded on the tape cassette 10 there. Such a tape library system 9 is a system that handles a large amount of data, for example, a system that handles medical data, and a VOD (Video On Demand).
It is suitable for use in systems and the like.

The cassette library system 9 is provided with an import 14 and an out port 15 in addition to the above-described components. In the import 14, the tape cassette 10 inserted from the front thereof is sent backward, and the transport mechanism is provided at the rear. The cassettes are taken out therefrom by the cassette transfer mechanism 16 and stored in one of the storage racks 11, 11,.... Also, outport 1
5 is provided with a receiving portion 17, a take-out portion 18, and a chute 19 connecting these two portions 17 and 18, and the tape cassette 10 which is no longer needed is taken out of the storage rack 11 by the cassette delivery mechanism 16. It is delivered to the receiving unit 17. Tape cassette 2 delivered to receiving unit 17
Reaches the take-out section 18 via the chute 19, and is taken out of the chute 19 to the outside.

The transport mechanism 12 includes a vertical transfer mechanism 20 and a horizontal transfer mechanism 21. The cassette transfer mechanism 16 is moved by the left and right transfer mechanism 21 in the left and right direction. The mechanism 20 moves the horizontal transfer mechanism 21 in the vertical direction.

The present invention is applied to the import 14 as a tape cassette attaching / detaching device.

The tape cassette attaching / detaching device 22 uses a cassette magazine 23 capable of accommodating a plurality of tape cassettes 10, 10,. 9 can be accepted.

The cassette magazine 23 has a substantially box shape.
A plurality of cassette storage chambers 24, 24,.
., The cassette storage chambers 24, 24,...
The tape cassettes 10, 10,... Are accommodated therein. The cassette storage chambers 24, 24,.
.. Are provided with a lock mechanism (not shown) for stabilizing the position of the tape cassette 10 stored therein.

On the left and right sides of the cassette magazine 23,
Guide grooves 25, 25 reaching the front and rear ends thereof are formed, and engagement recesses 26, 26 (only one is shown) are formed at positions near the rear ends of the guide grooves 25, 25. The engagement recess 26 has an engagement surface 26a facing substantially forward.
And an inclined surface 26b that is displaced outward as it goes forward from the inner end of the engagement surface 26a. Lock pins 27, 27 (only one of them is shown) protrude slightly behind the guide grooves 25, 25 at positions where the engagement recesses 26, 26 are formed.

The cassette receiving portion 28 has a box shape with an open front surface, and has guide rails 29, 29 extending in the front-rear direction on both left and right inner surfaces. The guide rail 2
9 is formed by two protruding ridges 29a, 29a extending in the front-rear direction in parallel with each other in a vertically separated state.

Engaging means 30, 30 are provided in the guide rails 29, 29. The engaging means 30 is formed by integrally forming a main part 30a formed in a belt shape long in the front-rear direction and a claw part 30b as an engaging part formed at a front end of the main part 30a by a leaf spring material. The claw portion 30b has a locking portion 30c facing rearward and an inclined portion 30d protruding from the inner end of the locking portion 30c and being displaced outward as going forward.

The engaging means 30, 30 are arranged outside the left and right side walls 28a, 28a (only one of them is shown) of the cassette receiving portion 28, and the rear ends of the main portions 30a, 30a are provided. The cassette receiving portion 28 is fixed at a position near the rear end, and the claw portions 30b, 30b are
Are located between the protrusions 29a and 29a and between the protrusions 29a and 29a through the insertion holes 28b and 28b formed in the protrusion 8a, and project from the protrusions 29a, 29a,. .

On the inner surface of the rear wall 28c of the cassette receiving section 28, resilient urging means 31, 31 are disposed so as to be separated from each other left and right. The elastic urging means 31 includes a coil spring 31a whose axial direction extends in the front-rear direction, and a pad body 31b attached to the front end of the coil spring 31a.
Is fixed to the inner surface of the rear wall 28c of the cassette receiving section 28.

Lock levers 32, 32 for locking the cassette magazine 23 at the mounting position are provided at the rear of the cassette receiving section 28.

The lock lever 32 has support walls 28d, 2d whose rear ends protrude from the rear surface of the cassette receiving portion 28.
8d (only one of them is shown) is supported by a support shaft 33 extending in the left-right direction so as to be rotatable in the vertical direction, and a lock claw 34 projecting forward is formed at the front end. The locking claw 34 is provided with a locking edge 34a that faces substantially rearward.
And an inclined edge 34b that is displaced downward as going forward from the upper end of the locking edge 34a. Then, the lock claws 34, 34 are inserted from the rear into vertically long insertion holes 35, 35 formed in the rear wall 28c of the cassette receiving portion 28, and the inside of the cassette receiving portion 28, specifically, the protrusions 29a, 29a and at the rear end between 29a and 29a.

Further, a tension coil spring 36 is stretched between the lock lever 32 and a wall 28e protruding rearward from the upper end of the rear surface of the cassette receiving portion 28. The turning force in the direction in which the lock claw 34 moves upward is urged. Further, in the rotation in this direction, further upward rotation is restricted by the upper edge abutting on the upper end of the insertion hole 35.

The tape cassettes 10, 10,...
・ ・ Installation is performed as follows.

First, the tape cassettes 10, 10,... Required in the cassette library system 9 are stored in the cassette storage chambers 24, 24,.
・ ・ It is stored in

As described above, a plurality of tape cassettes 1
The cassette magazine 23 containing 0, 10,... Is inserted into the cassette receiving section 28. At this time, the guide rails 29, 29 of the cassette receiving portion 28 are slidably engaged with the guide grooves 25, 25 of the cassette magazine 23,
The cassette magazine 23 is guided. Then, while the cassette magazine 23 reaches the mounting position, both sides of the rear end of the cassette magazine 23 are claw portions 3 of the engagement means 30, 30.
0b, 30b is pressed to move the claw portions 30b, 30b outward, and further, while the cassette magazine 23 moves toward the mounting position, the engaging means 30, 30 The claw portions 30b, 30b are inclined surfaces 26b, 26b of the engaging concave portions 26, 26 of the cassette magazine 23.
To be in a state of elastically contacting the left and right sides of the cassette magazine 23.

Immediately before the cassette magazine 23 reaches the mounting position, the lock pins 27, 27 of the lock levers 32, 32 have the inclined edges 34 of the lock claws 34, 34.
b, 34b, which are pressed against it, the lock levers 32, 32 are pivoted so that their lock claws 34, 34 are displaced downward, whereby the lock pins 27, 2
7 moves rearward from the lock claws 34, 34, where the lock levers 32, 32 rotate upward by the urging force of the extension coil springs 36, 36, and the locking edges 34b, 34b of the lock claws 34, 34 are moved. The cassette magazine 23 is locked at the mounting position by engaging with the lock pins 27, 27 from the front side.

As described above, a plurality of tape cassettes 1
The cassette receiving section 28 on which the cassette magazine 23 containing 0, 10,... Is mounted is moved to the back of the cassette library system 9 and the cassette storage chambers 24, 24,. Are positioned such that the opening sides of the tape cassettes 10, 10,... Stored in the cassette magazine 23 are stored in a predetermined storage rack 11 by the cassette transfer mechanism 16.

When all the tape cassettes 10, 10,... Stored in the cassette magazine 23 are stored in the predetermined storage rack 11, the cassette receiving section 28 returns to the original position, and the cassette magazine 23 is removed. It will be in a state to discharge.

The cassette receiving section 2 of the cassette magazine 23
Ejection from cassette magazine 2 by lock levers 32, 32 is performed by manual operation or automatic operation.
This is done by releasing the lock to the mounting position of No. 3. The lock is released by the lock levers 32, 32 being pivoted downward against the tensile force of the extension coil springs 36, 36. Lock lever 32, 3
When the lock 2 is rotated downward, the lock claws 34 are disengaged from the lock pins of the cassette magazine 23, whereby the lock of the cassette magazine 23 to the mounting position is released.

When the lock of the cassette magazine 23 to the mounting position is released, the resilient force stored in the resilient urging means 31, 31 is released, and the repulsive force is pressed by the repulsive force, and the cassette magazine 23 is discharged in the discharge direction. Moved towards. Then, while the cassette magazine 23 is being moved in the discharge direction, the main portions 30a, 30a elastically accumulate due to the outward flexure and are in elastic contact with both sides of the cassette magazine 23. Matching means 30, 30
Claw portions 30b, 30b relatively slide rearward on the side surfaces of the cassette magazine 23, and then, when a part of the cassette magazine 23 protrudes from the cassette receiving portion 28, the claw portions 30b, 30b , 26, and the engaging portions 30c, 30c engage with the engaging surfaces 26a, 26a of the engaging concave portions 26, 26, and the cassette magazine 2
3 is prevented from further moving in the discharge direction. This prevents the cassette magazine 23 from jumping out of the cassette receiving section 28 with excessive force.

Then, when the cassette magazine 23 is pulled in the discharge direction with the portion protruding from the cassette receiving portion 28, the main portions 30a, 30a of the engaging means 30, 30 are bent outward and their claw portions 30b, 30b And engagement recesses 26, 26
Is disengaged from the engagement surfaces 26a, 26a, and the cassette magazine 23 can be pulled out of the cassette receiving portion 28.

In the above-described embodiment, the present invention is applied to a tape cassette attaching / detaching device in a cassette library system. However, the present invention is not limited to such a device, and the present invention is not limited to such a device. Attaching and / or detaching a recording medium cassette for loading and / or unloading a recording medium cassette comprising a recording medium such as a magneto-optical disk in a cassette housing alone or via a cassette magazine supporting a plurality of recording medium cassettes. It can be widely applied as a device.

[0059]

As is apparent from the above description, the recording / removing apparatus for a recording medium cassette according to the present invention is a recording / reproducing apparatus for recording and / or reproducing data on / from a recording medium, and stores the recording medium in a cassette housing. A cassette magazine for detachably storing a recording medium cassette or one or more recording medium cassettes (hereinafter, a recording medium cassette and a cassette magazine are collectively referred to as a “recording medium cassette”). apparatus"
Say ) For detachably receiving the recording medium device, the cassette receiving portion being engaged with a locked portion provided in the recording medium device to mount the recording medium device in the cassette receiving portion (hereinafter, “mounting”). And a direction in which the recording medium device is attached to and detached from the cassette receiving portion in an engaged portion provided in the recording medium device (hereinafter, referred to as an "attachment / removal direction"). An engaging means which resiliently engages from a direction perpendicular to the direction, and a direction in which the recording medium device mounted on the cassette receiving portion is discharged from the cassette receiving portion (hereinafter, referred to as a "discharge direction"). And a resilient urging means for resiliently urging the moving force to the recording medium when the lock to the mounting position with respect to the recording medium device by the locking means is released. The device is moved in the discharge direction Rutotomoni part thereof, characterized in that the movement said engaging means at projecting from the cassette receiving portion of the ejecting direction of the engaging recording medium device with the engaged portion is to stop.

Therefore, in the recording medium cassette attaching / detaching apparatus according to the present invention, when a part of the recording medium apparatus projects from the cassette receiving section at the time of ejection, the engaging means provided in the cassette receiving section is connected to the recording medium apparatus. Since the movement of the recording medium device in the discharge direction is stopped by engaging with the engaged portion provided, the recording medium device is prevented from jumping out of the cassette receiving portion.

According to the second aspect of the present invention, the engaged portions are formed on both side surfaces of the recording medium device, the engaging means is formed of a leaf spring material, and one end thereof is a cassette. Since it is fixed to the receiving portion and the engaging portion provided at the free end is resiliently engaged with the engaged portion from the attaching / detaching direction, the engaging means can be simply configured, and the structure can be simplified. Contributes to simplification.

Further, according to the third aspect of the present invention, since both the engaged portion and the engaging portion are formed as engaging projections, they can be easily formed.

Further, in the invention described in claim 4, since the engaged portion is an engagement recess and the engagement portion is an engagement protrusion, they can be formed easily. In addition, there is no protrusion on the surface of the recording medium device where the engaged portion is formed, and the outer diameter of the recording medium device can be reduced.

Further, in the invention described in claim 5, since the resilient urging means is a coil spring, the engaging means having a necessary resilient force and a necessary amount of movement in the attaching / detaching direction is provided. It can be easily configured.

It should be noted that the structure and shape of each part shown in each of the above embodiments and examples are merely examples of the embodiment to be carried out when carrying out the present invention. Should not be construed as limiting the technical scope of the present invention.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of a recording / removing device for a recording medium cassette according to the present invention together with FIGS. 2 and 3, which is a schematic horizontal cross-section showing a state where a cassette magazine is mounted at a mounting position. FIG.

FIG. 2 is a schematic horizontal sectional view showing a state where an engaged portion of the cassette magazine and an engaging means of a cassette receiving portion are engaged when the cassette magazine is discharged.

FIG. 3 is a schematic horizontal sectional view showing a state where a cassette magazine is taken out from a cassette receiving section.

4 shows a second embodiment of the recording / removing device for a recording medium cassette according to the present invention, together with FIGS. 5 and 6, which is a schematic horizontal cross section showing a state where the cassette magazine is mounted at a mounting position. FIG.

FIG. 5 is a schematic horizontal sectional view showing a state where the engaged portion of the cassette magazine and the engaging means of the cassette receiving portion are engaged when the cassette magazine is discharged.

FIG. 6 is a schematic horizontal sectional view showing a state where the cassette magazine is taken out of the cassette receiving section.

FIG. 7 shows an example of an embodiment in which the recording medium cassette attaching / detaching apparatus of the present invention is applied as a tape cassette attaching / detaching apparatus in a cassette library system together with FIGS. 8 to 11, and FIG. FIG.

FIG. 8 is a perspective view showing a cassette magazine and a tape cassette.

FIG. 9 is a perspective view showing the cassette receiving portion with a part cut away.

FIG. 10 is a side view of a main part showing a state immediately before the cassette magazine reaches a mounting position.

FIG. 11 is a side view of a main part showing a state where the cassette magazine is locked at the mounting position.

[Description of Signs] 1 ... Attachment / detachment device for a recording medium cassette, 2 ... Cassette receiving section, 3 ... Cassette magazine, 4 ... Recording medium cassette, 5
... Engaging means, 5b claw part (engaging part), 6 ... resilient urging means, 7 ... engaging projection (engaged part), 1A ... attaching / detaching device for recording medium cassette, 3A ... cassette magazine, 8 ... engaging recess (engaged part), 9: cassette library system (recording / reproducing device), 10: tape cassette (recording medium cassette), 22: tape cassette attaching / detaching device (recording medium cassette attaching / detaching device), 23: cassette Magazine, 26: engagement concave portion (engaged portion), 27: lock pin (locked portion),
28: cassette receiving portion, 30: engaging means, 30b: claw portion (engaging portion) 31: resilient biasing means, 31a: coil spring,
32: Lock lever (lock means)

Claims (5)

[Claims] 1. A recording / reproducing apparatus for recording and / or reproducing a recording medium, and for attaching / detaching a recording medium cassette comprising a recording medium housed in a cassette housing, comprising: a recording medium cassette or one or more recording medium cassettes A cassette magazine (hereinafter, collectively referred to as a “recording medium device”) for detachably accommodating the recording medium cassette of the present invention in a detachable manner. A locking means for engaging a locked portion provided on the recording medium device to lock the recording medium device at a position mounted on the cassette receiving portion (hereinafter, referred to as a “mounting position”); In the direction in which the recording medium device is attached to and detached from the cassette receiving portion to and from the engaged portion provided in the cassette (hereinafter referred to as the "attachment / removal direction"). And a moving force in a direction (hereinafter, referred to as a “discharge direction”) in which the recording medium device mounted in the cassette receiving portion is ejected from the cassette receiving portion. Resilient biasing means for resiliently biasing the recording medium device when the lock means releases the lock to the mounting position with respect to the recording medium device. And the engaging means engages with the engaged portion when a part of the recording medium device is projected from the cassette receiving portion, so that the movement of the recording medium device in the ejection direction is stopped. Detachable device for recording media cassette. 2. The engaging portion is formed on both side surfaces of the recording medium device, the engaging means is formed of a leaf spring material, one end of which is fixed to a cassette receiving portion and provided at a free end. 2. The recording medium cassette attaching / detaching apparatus according to claim 1, wherein the engaging section is resiliently engaged with the engaged section from the attaching / detaching direction. 3. The apparatus according to claim 2, wherein both the engaged portion and the engaging portion are engaging projections. 4. The engagement portion is an engagement recess, and the engagement portion is an engagement protrusion.
3. The device for attaching and detaching a recording medium cassette according to claim 1. 5. The recording medium cassette attaching / detaching apparatus according to claim 1, wherein said elastic urging means is a coil spring.