JPH0689494A - Ejecting device in media changer player - Google Patents

Abstract

PURPOSE:To load and unload a media magazine by utilizing a detection driving source of the media address. CONSTITUTION:A supporting mechanism to support the magazine is formed on a lower chassis 1 in the pantoaraphic state by an eject frame 3, eject arms 5a, 5b and magazine receiving plate 8, and is always energized in the extending direction by a torsion coil spring 11 and tension coil springs 13a, 13b. Locking members 25, 26 to lock the magazine which is placed and supported by the supporting mechanism in a thrusted and contracted state are arranged at the side of lower chassis 1, then the lock state of these locking members 25, 26 is released by a lock release lever operated by an address detection gear.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ejecting apparatus for loading / discharging a storage magazine of an automatic changer player capable of storing a plurality of recording media such as disks and magnetic tapes for selective use.

[0002]

2. Description of the Related Art Conventionally, in ejecting devices for loading and ejecting storage magazines for discs in a disc or tape cassette autochanger player, etc., there are many ejecting devices which are driven by a motor or the like. In the ejecting device that operates by driving the motor, the motor cannot be driven when the magazine is erroneously loaded when the power is turned off, and therefore the magazine cannot be taken out. There is.

[0003]

As described above, in the conventional disc autochanger player or the like, a special tool is used for taking out the magazine when the drive power is turned off when the magazine for storing the disc or the like is erroneously loaded. It is necessary to prepare, and if this is not at hand, the magazine cannot be immediately taken out, and there is a problem that replacement of the magazine is hindered.

The present invention has been made in view of the above points, and enables the loading and unloading of a magazine in relation to the media selection operation mechanism without providing a drive power source dedicated to the ejection of the magazine containing the disks and the like. It is an object of the present invention to provide an eject device in a medium changer player.

[0005]

In order to achieve the above object, the present invention is provided with a media loading section for housing and holding a plurality of media and a media playback drive mechanism, and moves in the media loading direction with respect to the media loading section. In a medium changer player having a moving mechanism controlled by a selecting operation mechanism for selecting a medium, an ejecting operation unit for operating an ejecting mechanism for ejecting a media storage magazine loaded in a medium loading unit is provided in the medium selection operation mechanism. It is provided and configured.

Further, according to the present invention, the eject mechanism comprises a magazine support mechanism for urging the media storage magazine in the ejecting direction and a lock mechanism for locking the magazine support mechanism in the magazine loaded state. The lock release operation is performed by the eject operation unit provided in the selection operation mechanism.

Further, the magazine support mechanism is composed of a bandagraph-like expansion / contraction mechanism, and is constituted so as to be constantly urged in the extension direction by a spring member.

[0008]

According to the present invention having such a structure, the ejecting mechanism is provided in the selecting operation mechanism for selecting the medium, so that the ejecting mechanism is operated by the operation of the selecting operation mechanism from the media address to the eject address. Therefore,
It is not necessary to provide a dedicated drive power source for operating the eject mechanism. Further, when the eject mechanism operates, the selection operation mechanism always corresponds to the movement mechanism to the outermost media among the plurality of media.

Further, the media storage magazine is supported by a magazine support mechanism which constitutes an eject mechanism, the magazine support mechanism is held at a predetermined position while being locked by the lock mechanism, and the magazine support mechanism is unlocked by the lock mechanism. Is urged in the ejection direction, and the media storage magazine is automatically ejected.

The magazine support mechanism is composed of a panda-graph type expansion / contraction mechanism, and is elastically urged in the extension direction by a spring member so that loading and pushing of the media storage magazine can be easily and smoothly performed. You can do it again,
When the support mechanism is unlocked, the support mechanism is expanded in a panda-graph shape and discharged in a stable state.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention will be described below with reference to the case where the present invention is applied to a disc auto changer player.

In the disc autochanger player of this example, a disc magazine loading section A for loading a disc storage magazine is provided on one half side of the machine body, and a disc reproducing drive device B is arranged on the other half side.

First, the disc magazine loading section A will be described.

Shaft holes 2a of support pieces 2a, 2b formed in a cut-and-raised shape before and after one side edge of one half portion 1a of the lower chassis 1.
The front and rear arm parts 3 of the eject frame 3 are attached to ₁ , 2b _1.
Claw pieces 3a ₁ and 3 formed by bending one end of a and 3b
The eject frame 3 is rotatably supported on the lower chassis ₁ by rotatably engaging b ₁ .

Axial pins 4a and 4b are fixed by caulking to approximately central portions of the front and rear arm portions 3a and 3b of the eject frame 3, and the eject arms 5a and 5b are attached to the approximately central portions of the axial pins 4a and 4b. Long hole 5a drilled in
_1, 5b ₁ through are engaged, the front and rear ends of the eject arm 5a, 5b is an axial pin 6a which is fixed by caulking to one end portion, of the lower chassis 1 as shown and 6b in FIG. 3 half portion 1a Guide slots 7 formed in the left and right directions at the lower ends of brackets 7a and 7b formed upright in the substantially central portion of the edge.
a _1, 7b ₁ longitudinal arm portion 3a of the eject frame 3 with respect to the lower chassis 1 by engaging the (however, the long hole 7b ₁ is not shown because it is formed similarly to the long hole 7a _1), 3b
It is supported so as to be undulated and slidable in the left-right direction in a cross-connected state with.

Further, claw piece 3a ₂ before and after the arm portion 3a of the eject frame 3, 3b and the eject arms 5a, 5b of each of the other end (upper end), 3b ₂ and 5a _2,
5b ₂ is bent to support the magazine receiving plate 8.

That is, supporting pieces 9a, 9b and 9c, 9d are formed by bending downward at the front and rear ends of the magazine receiving plate 8 supported by the eject frame 3 and the eject arms 5a, 5b. Left and right long holes 9a ₁ and 9b ₁ are formed in the support pieces 9a and 9b (however, since the long hole 9b ₁ is formed in the same manner as the long hole 9a ₁ , it is not shown).
The claw pieces 3a ₂ and 3b ₂ of the eject frame 3 are slidably engaged, and the shaft holes 9c are formed in the other support pieces 9c and 9d.
₁ , 9d ₁ are provided (however, the shaft hole 9d ₁ is
Since it is formed in the same manner as ₁ ), the claw pieces 5a ₂ and 5b ₂ of the eject arms 5a and 5b are rotatably engaged so that the lower chassis 1, the eject frame 3, the eject arms 5a and 5b, and the magazine receiver. The plate 8 constitutes a panda graph mechanism, and the magazine receiving plate 8 is supported so as to be able to move up and down with respect to the lower chassis 1.

The eject frame 3 which constitutes the panda graph mechanism is always biased upward by a torsion coil spring 11, and the torsion coil spring 11 has a coil portion 11a on a holding portion 10 formed on the chassis 1. Both ends 11b and 11c are fitted and held, and one end 11b is in contact with the lower surface side of the eject frame 3 in the direction of the pivotal support end, and the other end 11c is in contact with the direction of the free end.

Further, one eject arm 5a is connected to a rack member 12, which is slidably arranged in the left and right direction on one half portion 1a of the lower chassis 1, by rotatably engaging a shaft pin 6a. By tensioning coil springs 13a and 13b between the shaft pin 6b of the rack member 12 and the other eject arm 5b and one side edge of the lower chassis 1, both eject arms 5a and 5b are always raised. Is biased.

As a result, the magazine receiving plate 8 is always biased in the ascending direction, and the rollers 14 are attached to the outer side surface portion 8a of the magazine receiving plate 8 by the brackets 15, and the one half portion 1a of the lower chassis 1 is provided with one end edge. The magazine is supported on the inner surface of the side plate portion 16 which is erected, and regulates the position of the magazine receiving plate 8 during the lifting operation.

On the other hand, the tooth portion 12a of the rack member 12 engaged with the eject arm 5a is meshed with a pinion 18 which is coaxial with a gear 17 arranged on the upper surface side of the lower chassis 1. The gear 17 is axially supported by being vertically sandwiched between free ends of a support member 19 formed in a U shape by a leaf spring material, and the support member 19 is axially supported at a position apart from the shaft support portion of the gear 17. A locking piece 19a rotatably supported on the lower chassis 1 side by 20 and bent and formed on the edge of the lower free end and a window hole 1c formed in the lower chassis 1.
The rotational position is regulated by the engagement with.

The gear 17 supported by the supporting member 19 in this manner is disposed on the lower surface side of the lower chassis 1 and the impeller 2 is provided.
It is linked to 1. This impeller 21 has a plurality of blades 21a that receive air resistance, and has a pinion 22 on its central shaft portion.
Is integrally provided, and the pinion 22 is projected to the upper surface side of the lower chassis 1 so as to mesh with the gear 17.

When the rack member 12 slides due to the meshing of the gear 17 and the pinion 22, the gear 17 is rotated via the pinion 18, and this rotation is transmitted to the impeller 21 via the pinion 22. The impeller 21 is rotated while receiving air resistance. In this impeller 21, when the rack member 12 slides to the left in FIG. 1, that is, when the rack member 12 is pulled by the biasing force of the tension coil spring 13a and slides so as to raise the eject arm 5a, While the support member 19 rotates clockwise in FIG. 1 via the pinion 18 with which the rack member 12 is meshed, the gear 17 is meshed with the pinion 22 of the impeller 21 while the sliding of the rack member 12 is continued. When the rack member 12 is rotated, the rack member 12 receives air resistance and slides.

The rack member 12 slides to the right in FIG. 1, that is, the rack member 12 pulls the coil spring 1.
When the eject arm 5a slides so as to fall down against the biasing force of the pinion 3a, the support member 19 moves the pinion 1
1 and is rotated counterclockwise in FIG. 1, so that the gear 17 is separated from the pinion 22 of the impeller 21 and the impeller 21 is not rotated.
The rack member 12 is slid without receiving air resistance.

A lock member 25 for locking the magazine in a loaded state is provided on the lower surface side of the half 1a of the lower chassis 1.
26 are arranged. The lock members 25 and 26 lock the magazine M so as to sandwich it from the front and rear,
As shown in FIG. 8, the flat plate portions 25a and 26a located on the lower surface side of the one-half portion 1a of the lower chassis 1 and the rising surface portions 25b and 26 that rise up corresponding to the front and rear edge sides of the lower chassis 1 respectively.
b of the lower chassis 1, one lock member 25 is arranged so that the rising surface portion 25b corresponds to the front edge side, and the other lock member 26 has the rising surface portion 26b corresponds to the rear edge side. It is located in.

The rising surface portion 25 of the one lock member 25
One lock claw 27a is provided substantially horizontally on the upper end edge of one side inwardly on the side b, and on the other side, one lock claw 27a is provided corresponding to one guide portion 3c of the eject frame 3. A cam portion 27b having an upper half portion formed on a vertical surface 27b ₁ and a lower half portion formed on an inclined surface 27b ₂ is formed. Also, two lock claws 28 are provided on the upper edge of the rising surface portion 26b of the other lock member 26.
a and 28b are provided so as to project inwardly at a predetermined interval in a substantially horizontal direction, and the other guide portion 3d of the eject frame 3 is provided on the inner surface side of the rising surface portion 26b of the other lock member 26. Correspondingly, a cam portion 28c on the inclined protrusion is formed.

The lock members 25 and 26 are provided with flat engaging portions 29 and 3 on the flat portions 25a and 26a, respectively.
Engagement guide hole 3 provided in the lower chassis 1 with 0 formed therein
1 and 32, the lock members 25 and 26 are slidably supported inward and outward with respect to the lower chassis 1 within a predetermined range, and between the lock members 25 and 26, rotation is prevented. The interlocking member 33 is disposed so that its center is rotatably supported by the lower chassis 1 by the shaft 34, and the engaging pieces 33a and 33b at both ends thereof are engaged with the engaging holes 25c and 26c formed in the lock members 25 and 26, respectively. The two locking members 25 and 26 are interlocked with each other so that they can slide inward and outward.

A tension coil spring 35 is stretched between the inner end of one of the lock members 25 and the lower chassis 1 so that the lock member 25 is always slid and biased inward. Through the rotation interlocking member 33, the slide is always biased inward.

The other lock member 26 has an abutting piece 3 attached thereto.
7 is formed by cutting and raising, and one end portion 39a of a lock release lever 39 pivotally supported by the lower chassis 1 by a shaft 38 protrudes in the abutting piece 37 in the sliding direction of the lock member 26 to the outside. Being hit.

The other end 39b of the lock release lever 39
Is extended to the other half 1b side of the lower chassis 1 and corresponds to the lower surface side of the address detection gear 40 provided on the other lower half 1b side of the lower chassis, and the other end 39b ₁ is the address detection gear 40.
Release pin 40a protruding from the eject address EJ
To be engaged with.

An operating member 42 for operating the magazine detection switch 41 is disposed near the upper surface of the one-half portion 1a of the lower chassis 1 and is located near the other locking member 26. Operator 41 of switch 41
a and a push-up piece 42b corresponding to the kick-up portion 43 formed on one side edge of the flat surface portion 26a of the other lock member 26 and protruding to the upper surface side of the lower chassis 1.
And a detection piece 42c protruding from the window hole 8a of the magazine receiving plate 8 to the upper surface side thereof, and rotatably attached to the upper surface side of the lower chassis 1. This detection switch 41
Thus, the power supply circuit of the motor 44 that rotationally drives the address detection gear 40 is turned on / off.

A worm 45 is fixed to the rotary shaft of the motor 44, a worm gear 47 is meshed with the worm 46, and the rotational force is transmitted to the address detecting gear 40 via the worm gear 47.

Next, the operation of the disc magazine loading section A configured as described above will be described.

First, when the disc magazine M is not loaded, the ejector frame 3 and eject arms 5a and 5b of the magazine receiving plate 8 are twisted by the coil spring 11.
Also, the tension coil springs 13a and 13b are biased in the upward direction by the elastic force and are raised to a predetermined height with respect to the lower chassis 1.

On the other hand, in the lock members 25 and 26, the address detection gear 40 is rotated and the release pin 40a pushes the other end 39b ₁ of the lock release lever 39 to rotate the lock release lever 39, whereby the other of the lock members 25 and 26 is rotated. The lock member 26 is pushed outward and slides, and the one lock member 25 interlocking with this is also slid outward against the elastic force of the tension coil spring 35, and the lock claws of both lock members 25 and 26 are engaged. 27a and 28a, 28b are located in a state of being escaped outward from the front edge and the rear edge of the magazine receiving plate 8.

In order to load the disc magazine M, therefore, the disc magazine M is placed on the magazine receiving plate 8 and pushed in, whereby the panda graph mechanism contracts via the magazine receiving plate 8, that is, the eject frame 3 Also, the eject arms 5a and 5b are laid down against the elastic forces of the torsion coil spring 11 and the tension coil springs 13a and 13b, and are lowered together with the magazine receiving plate 8. At this time, the rack member 12 slides as the one eject arm 5a falls and slides, and the gear 17 is rotated by the sliding of the rack member 12 via the pinion 18. Since the support member 19 is rotated counterclockwise about the shaft 20 via the pinion 18 by sliding the eject arm 5a of the rack member 12 in the falling direction (rightward in FIG. 1), from the pinion 22 of the impeller 21. Away and therefore not associated with the impeller 21 and therefore the rack member 1
No. 2 does not receive air resistance, the load of the related gear is reduced, and the sliding is smoothly performed, and the eject arm 5a is laid down. Further, the related gear is prevented from being damaged by reducing the load.

When the disc magazine M is pushed to the bottom, the detection piece 42c of the operation member 42 of the detection switch 41 is brought into contact with the bottom surface of the disc magazine M as shown in FIG. 5, whereby the operation member 42 is rotated. Operation piece 4
2a pushes the manipulator 41a of the detection switch 41 to turn it on.

When the detection switch 41 is turned on, the motor 44 is turned on with the power supply circuit turned on, and the address detection gear 40 moves through the worm 46 and the worm gear 47 in the direction of arrow a in FIGS. When the lock pin 40a is rotated (clockwise), the release pin 40a separates from the other end 39b of the lock release lever 39. As a result, the lock release lever 39
Is in a rotatable state, the lock with respect to the lock member 26 is released, and both lock members 25 and 26 are slid inward by the elastic force of the tension coil spring 35 via the interlocking member 33. As shown by the chain double-dashed line, the locking claws 27 and 28a, 28b are inserted into the recesses m ₁ and m ₂ at the lower ends of the front and rear surfaces of the disc magazine M, so that the magazine receiving plate 8 of the disc magazine M moves upward by the panda graph mechanism. Since it is biased, the lower surfaces of the recesses m ₁ and m ₂ come into contact with the lock claws 27a and 28a, 28b from the lower side to be in the locked state (the state shown by the alternate long and short dash line in FIG. 5).

Further, in this operation, when the lock member 26 is slid inward, the kick-up portion 43 moves the push-up piece 42b of the operating member 42 to the lower side thereof and pushes it up, whereby the operating member is pushed. 42 is rotated, and the operation piece 42a is held with the operator 41a of the detection switch 41 pressed.
The detection switch 41 continues to be in the on state (state of the chain double-dashed line in FIG. 5). That is, in this loading operation, by releasing the hand from the disc magazine and releasing the pushing,
The detection switch 41 remains in the ON state even when the disc magazine M is slightly raised from the lowermost pushing position to the lock position as described above.

As described above, when the disc magazine M is loaded, the detection piece 42c of the operating member 42 is hardly pushed when the disc magazine is pushed to the lock position by the locking members 25 and 26 described above. Is small, the operation piece 42a does not press the operator 41a of the detection switch 41, and the detection switch 41 is not turned on. Further, when the disc magazine M is further pushed, that is, when the disc magazine M is pushed further, the detection piece 42c is pushed and the operating member 42 is largely rotated, so that the operating piece 42a is pushed.
Pushes the operator 41a to turn on the detection switch 41.

Further, according to this configuration, the disc magazine M can be mechanically locked by selecting so-called mechanical control software. That is, in the state where the magazine receiving plate 8 is raised (ejection state), in the above-described operation, the address detection gear 40 stops at the position where the release pin 40a is held at the eject address EJ and the lock release lever 39 is locked. Although it is set so as to be locked in the unlocked state of 25 and 26, in the mechanical lock method, after the address detection gear 40 is ejected (rotated in the direction of arrow b), the off state of the detection switch 41 is confirmed and the arrow The unlock pin 40a is rotated in the a direction, and the other end 39b _{1 of the} unlock lever 39 is rotated.
Away from and hold it in place.

At this time, the lock release lever 39 is rotated by the eject rotation of the address detecting gear 40 to slide the lock members 25 and 26 and the lock claws 27a, 28a, 2
Since the lock of the disc magazine M by 8b is once released, the eject frame 3 has a torsion coil spring 11
Further, the magazine receiving plate 8 is indirectly lifted and raised by the tension coil springs 13a and 13b to be lifted.

At this time, the guide portions 3c and 3d of the eject frame 3 continuously come into contact with the cam portions 27b and 28c of the lock members 25 and 26 and move along the respective cam surfaces, so that the lock members 25 and 26 are Tension coil spring 3
5 is slid outward against the biasing elastic force of 5, and the lock claw 27a
And 28a and 28b are ejected from the concave portions m ₁ and m _{2 of the} disc magazine M.

In this state, the lock members 25 and 26 are finally slid outward with the guide portion 3c of the eject frame 3 contacting the upper end vertical surface 27b ₁ of the cam portion 27b of the lock member 25. The position is regulated and held, whereby the magazine receiving plate 8 is held in the raised position and the disc magazine M can be loaded again.

In order to load the disc magazine M in this state, the disc magazine M is loaded into the magazine receiving plate 8
When the eject frame 3 is placed on top and pushed in, the eject frame 3 performs a fall motion against the biasing elastic force of the torsion coil spring 11 and the tension coil springs 13a and 13b in a state opposite to the above case,
In this initial state, the lock members 25 and 26 are slidably held outward. That is, when the eject frame 3 falls down, the one guide portion 3c is locked by the one lock member 25.
While the second guide portion 3d is continuously in contact with the cam portion 28c of the other lock member 26 from the state of being in contact with the cam portion 27b of the second lock member 25, both lock members 25 and 26 slide inward. Without being locked.

Then, when the eject frame 3 is further tilted down to separate the guide portions 3c and 3d from the cam portions 27b and 28c of the lock members 25 and 26, the lock members 25 and 26 are released from the lock release lever 3.
Since the lock by 9 is released and it is in a rotatable state, it is slid inward by the biasing elastic force of the tension coil spring 35 and the lock claws 27a and 28a, 28b are inserted into the recesses m ₁ and m ₂ of the disc magazine M. The disc magazine M is engaged and locked together with the magazine receiving plate 8 being pushed and locked.

At this time, if any one of the lock claws 27a, 28a, 28b of the lock members 25 and 26 is not inserted into the corresponding recess of the disc magazine M, the lock members 25 and 26 are locked. The operation is restricted by the rotation interlocking member 33, and the disc magazine M is not locked. That is, the disc magazine M is not completely locked unless it is pushed in by the amount of overstroke.

This operation prevents the disc magazine M from being loaded in a tilted state and becoming incapable of being taken out even in the case of the electric lock described above, and prevents the lock claw from being forcedly pushed. It prevents damage and the like.

In order to eject the disc magazine M from the loaded state, the address detection gear 40 is rotated by the eject operation signal to move the release pin 40a in the eject address EJ direction (arrow b direction) to lock. The other end 39b of the release lever 39 is contacted and pressed.

By this operation, the lock release lever 39
Is rotated in the direction of arrow c (clockwise in the drawing) about the shaft support portion, and the lock member 2 is moved at one end 39a.
6 is pushed outwardly, whereby one lock member 25 is also pushed outward via the rotation interlocking member 33, so that both lock members 25 and 26 are tension coil springs 35.
The lock claws 27a, 28a and 28b are pulled out from the concave portions m ₁ and m _{2 of} the disc magazine M to release the lock with respect to the disc magazine M by being slid outward against the biasing elastic force of.

By releasing the lock of the disc magazine M, the eject frame 3 and the eject arms 5a, 5
b is a torsion coil spring 11 and a tension coil spring 13
Due to the biased elastic forces of a and 13b, the disc magazine M is ejected by being lifted up and the magazine receiving plate 8 being raised.

In this ejecting operation, the eject arm 5a is slid up by the rack member 12 being pulled and sliding by the biasing elastic force of the tension coil spring 13a. At this time, the rack member 12 is slid. , The pinion 1 of the gear 17 meshing with the rack member 12
8 is an arm portion 1 of the support member 19 by a friction mechanism.
The gear 17 meshes with the pinion 22 of the impeller 21 by rotating to one side (clockwise in the figure) together with 9a and 19b.
Further, as the rack member 12 continues to slide, the gear 17 rotates via the pinion 18, and the rotation causes the impeller 21 to rotate.

This impeller 21 is rotated to rotate its impeller 21.
When the rack arm 12 receives the air resistance at a and brakes the sliding of the rack member 12 while being approximately inversely proportional to the rotation speed, the elevating operation of the eject arm 5a becomes slow, and accordingly, the eject frame 3 and the other eject frame 5a are ejected. Arm 5
b is also gently raised, and the soft eject of the disc magazine M is performed.

As described above, in the present embodiment, the soft ejection is performed by using the air resistance of the impeller 21, but the viscous resistance of oil or the like, the magnetic resistance or the friction resistance is used instead of the air resistance. It is also possible to perform a soft eject.

Next, a disk reproducing drive device B installed in the other half 1b of the lower chassis 1 corresponding to the disk magazine loading section A having the above-mentioned structure will be described. The device B itself will not be described because it is composed of a disk rotating mechanism and an optical pickup mechanism almost like a disk player, and a moving mechanism for selectively moving the device B with respect to the disk magazine loading section A is shown in FIG. And explain.

As shown in FIG. 9, the moving mechanism of the disc reproducing driving device B is a moving chassis 51 in which the disc reproducing driving device B including a disc rotating mechanism and an optical pickup mechanism is mounted on the other half 1b of the lower chassis 1. By the two feed screws 52 and 53, the lower chassis 1 is movably mounted in the disc magazine loading section A on the −half section 1a side of the lower chassis 1.

That is, as shown in FIG. 9, the lower chassis 1 and the other half portions 1b and 1'b of the corresponding upper chassis 1 '.
Of the bearings 54a, 54b and 55 on the front and rear in the diagonal direction of
The feed screws 52 and 53 are axially supported by arranging a and 55b. This bearing structure has a bearing 54 on the base chassis 1 side.
a and 54b are radial bearings, bearings 55a and 55b on the upper chassis 1'side are thrust bearings, and radial bearings 54a and 54b are lower chassis 1's.
The brackets 56a and 56b are attached to the feed screws 52 and 53 to regulate the thrust.

Then, gears 57a and 57b are coaxially provided at the ends of the feed screws 52 and 53 on the lower chassis 1 side.
Is press-fitted and fixed, and the driving force from the driving mechanism provided on the lower chassis 1 side is transmitted to both gears 57a and 57b. That is, the intermediate gears 58a and 58b that mesh with the address detection gear 40 that is rotationally driven by the motor 44 described above.
The rotational force is transmitted to the gears 57a and 57b from the gears 57a and 57b, the feed screws 52 and 53 are normally and reversely rotated, and the movable chassis 51 is moved.

Bearings 59a and 59b are fixed to the moving chassis 51 so as to correspond to the feed screws 52 and 53. One bearing 59a is cylindrical and is fixed through the chassis 51 so as to be screwed to the feed screw 52. The nut 60 to be fitted is press-fitted, the other bearing 59b is fixed to the lower surface side of the moving chassis 51, and the half nut 61 that meshes with the feed screw 53 corresponding to the bearing 59b is provided on the upper surface side. The position of the feed screws 52 and 53 is regulated by a nut 60 and a half nut 61.

Further, the moving chassis 51 is provided with a transfer mechanism C for reciprocating the disk between the disk magazine loading section A and the disk reproduction driving apparatus B.

Next, a drive mechanism for moving and moving the moving chassis 51, on which the disc reproducing drive device B is mounted, in the disc stacking direction of the disc magazine loading section A will be described.

The drive source of this drive mechanism is composed of a worm 45 axially attached to the rotary shaft of the motor 44, a worm wheel 47 meshing with the worm 45, and a spur gear 47a coaxial with the worm wheel 47. (See FIG. 2).

The spur gear 47a at the final stage of the drive source meshes with the above-mentioned address detecting gear 40, and the small diameter gear parts 58a ₁ and 58b ₁ of the pair of intermediate gears 58a and 58b mesh with this address detecting gear 40, Large diameter gear 58
meshing with the gear 57a and 57b a ₂ and 58b ₂ are press-fitted to the screw 52 and 53 feed respectively, the rotational force of the thereby driving source screw 52 and 53 feed is transmitted to the gear 57a and 57b are rotated.

By rotating the feed screws 52 and 53,
The moving chassis 51 uses the nuts 60 of the bearings 59a and 59b.
Also, the feed screws 52 and 53 are moved via the half nut 61 in the axial direction, that is, in the disc stacking direction of the disc magazine loading section A.

By moving the moving chassis 51 to the designated position, a desired disk is taken out from the disk magazine loading section A, and the transfer mechanism C is transferred to the disk reproduction drive unit B side.
Is transferred and reproduced. The position detection movement control of the moving chassis 51 is performed by microcomputer control of the motor 44 based on the relationship between the address detection gear 40 and the sensor.

For this reason, as shown in FIG. 2, a ratio detecting portion is arranged on the rear surface side of the address detecting gear 10, and a sensor 63 is arranged on the sensor substrate 62 attached to the lower chassis 1 in correspondence therewith. The output signal of the sensor 63 controls the motor 44.

Although one embodiment of the present invention has been described above, the present invention is not limited to this embodiment, and various modifications can be made without departing from the spirit of the present invention.

The present invention is not limited to the disc autochanger player, but can be applied to an autochanger player such as a tape cassette.

[0069]

As described above, according to the present invention, since the ejecting operation unit is provided in the selecting operation mechanism for selecting the medium, the ejecting mechanism is kept in the eject state by maintaining the selecting operation mechanism in the eject mode. If the medium magazine is erroneously loaded and the driving power is off, the magazine can be easily ejected and taken out without using a special tool.

Further, since the drive source of the moving mechanism for moving the media reproducing drive mechanism can be used without using a dedicated drive source for driving the eject mechanism, it is advantageous in terms of cost and space factor, and the media autochanger. It is possible to downsize the entire player.

[Brief description of drawings]

FIG. 1 is a partially omitted plan view of an example of an automatic disc changer player to which the present invention is applied.

FIG. 2 is a plan view of the other half of the same.

FIG. 3 is a front view of the same half side portion.

FIG. 4 is a front view of the other half of the same.

FIG. 5 is a side view for explaining an operating state on the half section side.

FIG. 6 is a perspective view of the magazine support mechanism section.

FIG. 7 is a perspective view of the eject drive mechanism section of the same.

FIG. 8 is a perspective view of the lock mechanism section of the same.

FIG. 9 is a side view in which a part of the disk reproduction drive mechanism is omitted.

[Explanation of symbols]

 1 Lower chassis 3 Eject frame 5a, 5b Eject arm 8 Magazine receiving plate 11 Torsion coil spring 13a, 13b Tension coil spring 25, 26 Lock member 39 Lock release lever 40 Address detection gear 40a Lock release pin 41 Detection switch 44 Motor

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[Procedure amendment]

[Submission date] September 2, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 3

[Correction method] Change

[Correction content]

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

Further, the magazine support mechanism is composed of a pantograph- like expansion / contraction mechanism, and is constituted so as to be constantly urged in the extension direction by a spring member.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction content]

[0010] Then, the magazine supporting mechanism constituted by the pan motor graphically telescopic mechanism, by being elastically urged in the extension direction by the spring member, the loading of the media storage magazine is only easily by placing and pushing, and You can do it smoothly,
Discharge will be supporting mechanism is discharged in a stable state is extended to the pan motor graphically by unlocking.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

That is, supporting pieces 9a, 9b and 9c, 9d are formed by bending downward at the front and rear ends of the magazine receiving plate 8 supported by the eject frame 3 and the eject arms 5a, 5b. Left and right long holes 9a ₁ and 9b ₁ are formed in the support pieces 9a and 9b (however, since the long hole 9b ₁ is formed in the same manner as the long hole 9a ₁ , it is not shown).
The claw pieces 3a ₂ and 3b ₂ of the eject frame 3 are slidably engaged, and the shaft holes 9c are formed in the other support pieces 9c and 9d.
₁ , 9d ₁ are provided (however, the shaft hole 9d ₁ is
Since it is formed in the same manner as ₁ ), the claw pieces 5a ₂ and 5b ₂ of the eject arms 5a and 5b are rotatably engaged so that the lower chassis 1, the eject frame 3, the eject arms 5a and 5b, and the magazine receiver. magazine receiving plate 8 is supposed to constitute the pan motor <br/> graph mechanism plate 8 is vertically movably supported relative to the lower chassis 1.

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] 0038

[Correction method] Change

[Correction content]

When the detection switch 41 is turned on, the motor 44 is turned on with the power supply circuit turned on, and the address detection gear 40 moves through the worm 46 and the worm gear 47 in the direction of arrow a in FIGS. When the lock pin 40a is rotated (clockwise), the release pin 40a separates from the other end 39b of the lock release lever 39. As a result, the lock release lever 39
Is in a rotatable state, the lock with respect to the lock member 26 is released, and both lock members 25 and 26 are slid inward by the elastic force of the tension coil spring 35 via the interlocking member 33. locking pawl 27 and 28a as shown by two-dot chain line, 28b is inserted into the recess m ₁ and m ₂ of the front and rear surfaces the lower end of the disc magazine M, upward disc magazine M is a magazine receiving plate 8 is a pan motor graph mechanism Since the bottom surfaces of the recesses m ₁ and m ₂ are abutted against the locking claws 27a, 28a and 28b from the lower side, they are in a locked state (state from the one-dot chain line to the two-dot chain line in FIG. 5).

Claims (3)

[Claims] 1. A media loading unit for housing and holding a plurality of media, and a media playback drive mechanism, which are controlled by a selection operation mechanism that moves in the media housing direction with respect to the media loading unit and selects media. In the medium changer player having a moving mechanism, the medium selecting operation mechanism is provided with an ejecting operation section for operating an ejecting mechanism for ejecting a media storage cartridge loaded in the medium loading section. Ejector in. 2. The eject mechanism comprises a magazine support mechanism for urging the media storage magazine in the ejection direction and a lock mechanism for locking the magazine support mechanism in a magazine loaded state, and the lock mechanism is the eject operation unit. 2. The ejecting device according to claim 1, wherein the lock releasing operation is performed by the. 3. The ejecting apparatus according to claim 1, wherein the magazine support mechanism is composed of a panda-graph type expansion / contraction mechanism and a spring member that elastically biases the expansion / contraction mechanism in the extension direction.