JPH05325378A - Disk cartridge loading device for recording and/or reproducing device - Google Patents

Abstract

PURPOSE:To surely eject a disk cartridge in connection with the movement of a cartridge holder holding the disk cartridge and to realize the stable and sure ejecting operation of the disk cartridge. CONSTITUTION:When a cartridge holder carrying body 52 which executes the moving operation of the cartridge holder 51 where the disk cartridge 1 is inserted and held is returned in the direction of a position where the cartridge 1 is inserted and ejected in/from the holder 51, the ejecting action of an ejecting mechanism 122 is started and the cartridge 1 held by the holder 51 is ejected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc in a recording and / or reproducing apparatus, in which a disc cartridge accommodating a disc used as a recording medium for information signals is mounted and operated in a cartridge mounting portion in the recording and / or reproducing apparatus. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge mounting device provided with a mechanism for ejecting a disc cartridge held by a cartridge holder as the disc holder moves in the direction in which the disc cartridge is inserted and removed.

[0002]

2. Description of the Related Art Conventionally, in a recording and / or reproducing apparatus in which a disk cartridge accommodating a disk is used as a recording and / or reproducing apparatus medium, a disk cartridge inserted in the apparatus body is automatically pulled in and operated. The disk mounted on the cartridge mounting section in the main body of the apparatus is positioned and supported, and the disk housed in the disk cartridge is mounted on the disk rotation drive mechanism, and at the same time, the disk is detached from the disk rotation drive mechanism to remove the disk cartridge from the outside of the main body. Those equipped with a device for mounting a disc cartridge that automatically ejects the disc cartridge are widely used.

This type of disc cartridge mounting apparatus is provided with an eject mechanism for ejecting the disc cartridge mounted in the cartridge mounting portion to the outside of the main body of the apparatus.

The eject mechanism for ejecting the disc cartridge to the outside of the main body of the apparatus is provided independently of the apparatus for mounting the disc cartridge, and is operated by operating an eject operation button or the like provided on the main body of the apparatus. There is.

Further, there is also used a device in which an eject mechanism is operated in association with a disc cartridge mounting device to eject the disc cartridge held in the cartridge holder to the outside of the apparatus main body.

However, in a disc cartridge mounting device configured to operate the eject mechanism independently of the disc cartridge mounting device, there is a risk that the disc cartridge may be ejected by an erroneous operation. You cannot reliably eject the disc cartridge. Then, there is a possibility that the mechanism that constitutes the disc cartridge or the mounting device or the mechanism that records and / or reproduces the information signal on the disc may be damaged.

Further, the conventional disk cartridge mounting apparatus configured to operate the eject mechanism in association with the disk cartridge mounting apparatus has a complicated structure.

In view of this, the present invention provides a disc cartridge mounting apparatus which surely ejects the disc cartridge in association with the movement of the cartridge holder for holding the disc cartridge, thereby realizing stable and reliable disc cartridge ejection operation. It is proposed for the purpose of providing.

Another object of the present invention is to provide a device for mounting a disc cartridge, which has a simple structure and is capable of surely ejecting the disc cartridge.

[0010]

Recording and / or recording according to the present invention
Alternatively, in order to achieve the above-described object, a disc cartridge mounting device in a reproducing device is a disc drive unit equipped with at least a disc rotation driving mechanism for rotating a disc and arranged in a recording and / or reproducing device main body. Between the position for holding the disc cartridge inserted in the main body of the recording and / or reproducing apparatus and inserting / removing the disc cartridge and the position for mounting the disc stored in the disc cartridge on the disc rotation drive mechanism. A cartridge holder movably supported over the recording medium and a recording and / or reproduction device main body of the disk cartridge movably supported in the insertion / removal direction.
A cartridge holder carrier for moving and moving the cartridge holder between the position where the disc cartridge is inserted and removed and the position where the disc housed in the disc cartridge is mounted on the disc rotation drive mechanism, and the cartridge. Ejection of an eject mechanism, which is provided on the holder carrier and ejects the disc cartridge held by the cartridge holder in accordance with the returning operation of the cartridge holder carrier to the position where the disc cartridge is inserted into and removed from the cartridge holder. The eject start means for starting the operation is provided.

Further, in the apparatus for mounting the disc cartridge in the recording and / or reproducing apparatus according to the present invention, the eject start means is brought into contact with the fixed end in the recording and / or reproducing apparatus main body to eject the eject mechanism. It is designed to start the operation.

Further, in the device for mounting the disc cartridge in the recording and / or reproducing device according to the present invention, the eject mechanism is provided with the eject mechanism in which the eject biasing force of the disc cartridge is accumulated by the disc cartridge inserted into the cartridge holder. It is equipped with a biasing means.

[0013]

In the apparatus for mounting the disk cartridge in the recording and / or reproducing apparatus according to the present invention, the cartridge holder carrier for moving the cartridge holder into which the disk cartridge is inserted and held carries out the insertion / removal of the disk cartridge into / from the cartridge holder. When the return operation is performed in the position direction, the eject mechanism starts the eject operation, and the disc cartridge held in the cartridge holder is ejected.

Further, when the disc cartridge is inserted into the cartridge holder, the disc cartridge causes an ejecting mechanism to store a biasing force for ejecting the disc cartridge from the cartridge holder.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The disk cartridge loading apparatus according to the present invention is applied to a disk player which is a recording and / or reproducing apparatus using a disk cartridge 1 configured as shown in FIGS. 1 to 3 for a recording medium. An example will be described.

First, a disc cartridge 1 used in a disc player to which the present invention is applied will be described.
As shown in FIG. 1 to FIG. 3, the disc cartridge 1 has an information signal such as a musical tone signal recorded in a cartridge body 4 which is formed by abutting and coupling a pair of upper and lower halves 2 and 3, or a musical tone signal in advance. An optical disc 5, which is a disc on which information signals such as "1" are recorded, is rotatably accommodated.

At the opposite positions of the upper and lower surfaces of the cartridge body 4 for accommodating the optical disc 5, signal recording and / or reproduction is performed so that a part of the signal recording area of the optical disc 5 is exposed to the outside in the radial direction. Openings 6 and 7 are opened. In addition, as shown in FIG. 2, a disc table entrance opening 8 into which a disc table constituting a disc rotation drive mechanism for rotating the optical disc 5 enters is opened in the central portion on the lower surface side of the cartridge body 4. Has been done.

The cartridge body 4 has a U-shaped cross section for closing the signal recording and / or reproducing openings 6 and 7 when the disc cartridge 1 is not mounted in a disc player and is in an unused state. A shutter member 9 having a shape is movably attached. The shutter member 9 has a lock piece 10 formed by bending a part of the shutter member 9 in the cartridge body 4 when the signal recording and / or reproducing openings 6, 7 are closed. The shutter lock member 11 provided is engaged to lock the signal recording and / or reproducing openings 6 and 7 at a closed position.

When the disc cartridge 1 is inserted into the disc player as will be described later, the shutter member 9 is operated to open the shutter member provided in the cartridge holder provided on the disc player side. The signal is pressed and / or pressed by one piece.
Alternatively, it is moved in a direction to open the reproduction openings 6 and 7.

That is, on the front surface 4a side of the cartridge body 4 into which the shutter member 9 is fitted, there is provided a groove portion 12 into which the shutter member opening operation piece enters.
When the shutter member opening operation piece enters the groove 12,
The shutter lock member 11 arranged in the cartridge body 4 is pressed and displaced by the shutter member opening operation piece, and the engagement of the lock piece 10 is released. This lock piece 1
When the shutter lock member 11 of 0 is released, the shutter member 9 is free to move. With the insertion of the disc cartridge 1 into the cartridge holder, the shutter member opening operation piece moves and operates the shutter member 9 in the direction of arrow A in FIGS. 1 and 2 to open the signal recording and / or reproducing opening 6. Release 7

Therefore, the disc cartridge 1 is
The shutter member 9 is inserted into the cartridge holder of the disc player with the moving direction of the shutter member 9 relative to the cartridge body 4 as the insertion direction. That is, the disc cartridge 1 is inserted into the cartridge holder with the side face 4b orthogonal to the front face 4a facing the open end 12a of the groove 12 into which the shutter member opening operation piece is inserted as the insertion end.

As shown in FIG. 1, on the upper surface side of the cartridge body 4 on the side surface 4b side, an insertion direction instruction mark 16 indicating that the side surface 4b side is the insertion end and the proper insertion direction is provided. It is provided.

The front surface 4 of the cartridge body 4 is formed with a groove 12 into which the shutter member opening operation piece is inserted.
An erroneous insertion restriction groove 13 that restricts the insertion direction is provided on the rear surface 4c side facing the a side so as to prevent the insertion direction from being inserted into the cartridge holder by mistake.
The erroneous insertion restriction groove 13 is formed over the middle part of the rear surface 4c so as to have the open end 13a on the side surface 4b side which is the insertion end side of the cartridge body 4.

Next, a disc player to which the disc cartridge loading device according to the present invention, which uses the disc cartridge 1 having the above-described structure as a recording medium, will be described.

As shown in FIG. 4 and FIG. 5, the disc player is housed in a fixed base 21 fixedly arranged in an outer casing constituting the player body, and the disc cartridge 1 mounted on the disc player. Disk rotation drive mechanism 2 for rotating the removed optical disk 5
2. Recording and / or reproducing means for recording information signals such as musical tone signals on the optical disc 5 which is rotated by the disc rotation driving mechanism 22 or reproducing information signals such as musical tone signals recorded on the optical disc 5. The optical pickup device 23 and the disc drive portion 26 constituted by mounting the pickup drive mechanism 24 for moving the optical pickup device 23 in the radial direction of the optical disc on the drive mechanism support base 25, and the disc drive portion 26 provided in the player main body. The disc cartridge 1 inserted into the main body of the player through the cartridge insertion / removal opening is attached to the disc drive unit 2 described above.
And a cartridge loading mechanism 28 for transferring the optical disc 5 housed in the disc cartridge 1 to the disc rotation drive mechanism 22.

The drive unit supporting base 25 constituting the disk drive unit 26 is formed by bending a thin metal plate, and is formed by bending a thin metal plate. An elastic support member 29 formed of an elastic material such as rubber disposed on the fixed base 21 and having a vibration absorbing function.
It is supported in a displaceable state on the fixed base body 21 via. That is, as shown in FIG. 5, the drive part support base 25 hangs down from three mounting leg pieces 30 formed by bending two parts on the front end side and one part on the rear end side of the support base 25. As shown in FIG. 6, the support leg 31 thus set up is fitted into a bottomed fitting hole 32 formed at the center of the elastic support member 29 and supported on the fixed base 21.

Further, as shown in FIGS. 5 and 6, the drive part support base 25 has a plurality of suspension springs 33 for applying a tensile force to the elastic support member 29 in a direction opposite to the direction of applying a load. It is hung from the fixed base 21 via the. These suspension springs 33 are formed by the spring locking portions 34 formed at the respective corners of the drive portion supporting base 25 and the fixed base 21.
Of the first and second side wall portions 35 and 36 formed by bending both opposite sides of the driving member and the spring locking piece 37 protruding from the inner side surface of the first and second side wall portions 35 and 36. Support base 2
5 is suspended and supported on the fixed base 21.

As described above, the drive portion support base 25 supported by the plurality of elastic support members 29 and suspended and supported by the plurality of suspension springs 33 is in a floating state in which it can be easily displaced vertically and horizontally. And is supported by the fixed base 21. Vibrations and shocks applied to the player body are attenuated and absorbed by the elastic support member 29 and the suspension spring 33, so that the drive unit support base 25 is prevented from being affected by vibrations and shocks. ..

As shown in FIGS. 4 and 5, the disc cartridge 1 to be inserted into the player main body is provided on the upper surface side of the drive portion support base 25 supported on the fixed base 25 in the floating state as described above. The cartridge mounting portion 27 that is positioned and mounted is configured. Positioning pins 38, 38 that engage with the positioning holes 14, 15 provided on the lower surface side of the disc cartridge 1 to position the mounting position of the disc cartridge 1 are set up in the cartridge mounting portion 27.

Further, as shown in FIG. 5, a disk rotation drive mechanism 22 is attached to a substantially central portion of the drive unit support base 25. As shown in FIG. 9, the disc rotation drive mechanism 22 is composed of a disc table 39 on which the optical disc 5 housed in the disc cartridge 1 is mounted, and a spindle motor 40 for rotationally driving the disc table 35. The spindle motor 4
No. 0 is attached to the lower surface side of the drive unit support base 25 such that the spindle shaft 41 projects from the center of the cartridge mounting unit 27. The disc table 39 is integrally attached to the tip end side of the spindle shaft 41. A magnet for attracting and supporting a magnetic plate attached to the center of the optical disc 5 is arranged on the disc table 39.

Further, as shown in FIG. 5, an optical pickup device 23 is provided on the drive unit support base 25 so as to be movable in the radial direction of the optical disc 5 mounted on the disc table 39. There is. In this optical pickup device 23, an objective lens 42 is opposed to a main surface of an optical disk 5 mounted on a disk table 39, and a guide shaft mounted on the lower surface side of a drive unit supporting base 25 in parallel with the radial direction of the optical disk 5. It is supported by 43 and a feed screw 44 and is movable in the radial direction of the optical disk 5. Then, the optical pickup device 23 is fed over the inner and outer circumferences of the optical disc 5 by rotating the feed screw 44 by a pickup feed motor 45 constituting the pickup drive mechanism 24.

The pickup feed motor 45 and the feed screw 44 are connected via a reduction gear mechanism 46.

As described above, by mounting all of the mechanical units such as the disk rotation drive mechanism 22 and the optical pickup device 23 on the drive unit support base 25 supported on the fixed base body 25 in the floating state, the player in the floating state. The disk drive unit 26 is provided inside the main body.

Further, the disc cartridge 1 inserted in the player body is transferred to the cartridge mounting portion 27 on the disc driving portion 26, and the optical disc 5 accommodated in the disc cartridge 1 is moved to the disc rotation driving mechanism 2
As shown in FIGS. 4 and 5, the cartridge loading mechanism 28 that is mounted on the disc table 39 of No. 2 has a cartridge holder 51 for holding the disc cartridge 1 inserted in the player body, and the cartridge holder 51 for disc loading. The cartridge holder transporter 52 is configured to move from the insertable / removable position of the cartridge 1 to the disc cartridge mounting position where the disc cartridge 1 is mounted in the cartridge mounting portion 27.

The cartridge holder 51 constituting the cartridge loading mechanism 28 is large enough to hold the disc cartridge 1 inserted in the player main body through a cartridge insertion / extraction opening provided in the player main body (not shown). Both sides orthogonal to the front opening 53 for receiving the disk cartridge 1 inserted through the cartridge insertion / removal opening as shown in FIG. Is formed with a pair of cartridge holding portions 54 and 55 having a U-shaped cross section for holding the front surface side 4a to which the shutter member 9 of the disk cartridge 1 is attached and the rear surface side 4c provided with the erroneous insertion restriction groove 13. Has been done.

An opening / closing lid 53a for opening / closing the front opening 53 is rotatably attached to the front end side of the cartridge holder 51.

Then, as shown in FIG. 6, the front surface 4a of the disc cartridge 1 to be inserted into the cartridge holder 51, as shown in FIG. The shutter lock member 11 is pushed into the groove portion 12 formed on the side to press and displace the shutter lock member 11.
Of the shutter lock member 11 is released,
A shutter member opening operation piece 56 for projecting and operating the shutter member 9 in a direction of opening the signal recording and / or reproducing openings 6, 7 is provided in a protruding manner. In addition, an erroneous insertion that enters the erroneous insertion restriction groove 13 formed on the rear surface 4c side of the disc cartridge 1 inserted into the cartridge holder 51 is provided in the middle portion of the inner surface of the rising wall 55a that constitutes the other cartridge holding portion 55. A prevention piece 57 is provided so as to project.
Thus, by providing the shutter member opening operation piece 56 and the erroneous insertion prevention piece 57 on the pair of cartridge holding portions 54 and 55, the disc cartridge 1 is inserted only when the regular insertion end side is inserted. The cartridge holder 51 can be inserted into the cartridge holder 51, and erroneous insertion is prevented.

The shutter member 9 mounted on the disc cartridge 1 inserted in the cartridge holder 51 is used for signal recording and / or signal recording on the side of the one cartridge holding portion 54 on which the shutter member opening operation piece 56 is provided. The reproduction openings 6 and 7 are held in the open position, and when the disc cartridge 1 is ejected from the cartridge holder 51, the shutter member 9 opens the signal recording and / or reproduction openings 6 and 7. A shutter member pressing support spring 20 that holds the cartridge body 4 so that it can move relative to the cartridge body 4 in the closing direction is attached.

The shutter member pressing support spring 20 presses the disk cartridge 1 inserted into the cartridge holder 51 toward the other cartridge holding portion 64 provided with the erroneous insertion preventing piece 57, and the cartridge holder 51 is pressed. It also has a function of restricting the insertion position of the disc cartridge 1 with respect to.

Further, the rising walls 54a, 5 constituting the respective cartridge holding portions 54, 55 of the cartridge holder 51.
A plurality of support guide shafts 58, 59, 60, which are support members for movably supporting the drive unit support base 25, are provided on the outer surface side of 5a. These support guide shafts 58, 59, 60 are, as shown in FIGS. 5 and 6,
In this embodiment, two are provided on the side of one cartridge holding portion 54 and one is provided on the side of the other cartridge holding portion 55.

As shown in FIG. 5, each of the cartridge holders of the cartridge holder 51 disposed on the drive unit support base 25 is mounted on the drive unit support base 25 on the side where the cartridge holder 51 is supported. A pair of side plate portions 61 and 62 are formed so as to rise so as to face 54 and 55, respectively. Cartridge holder movement guide grooves 62, 63, 64 through which the support guide shafts 58, 59, 60 are respectively inserted and supported are formed in the side plate portions 61, 62. The cartridge holder 51 is
The support guide shafts 58, 59, 60 are inserted into the cartridge holder movement guide grooves 62, 63, 64 to be movably supported by the drive unit support base 25.

By the way, as shown in FIG. 4, the cartridge holder movement guide grooves 62, 63, 64 are close to the cartridge insertion / removal opening of the player main body which allows the disc cartridge 1 of the cartridge holder 51 to be inserted / removed. Horizontal movement guide portions 62a, 63a, 64a for guiding the horizontal movement between the position and the position where the disc cartridge 1 can be mounted on the cartridge mounting portion 26 on the disc drive portion 26, and the cartridge mounting portion 26.
A vertical movement guide portion 62b for guiding movement in a vertical direction from a position where the disc cartridge 1 can be mounted to a position where the optical disc 5 housed in the disc cartridge 1 is mounted on the disc table 39,
It is composed of 63b and 64b. In this way, the horizontal movement guide portions 62a, 63a, 64a and the vertical movement guide portions 62b, 63b, 64b are continuously connected in series to form an L-shaped cartridge holder movement guide groove 62,
The cartridge holder 51, in which the support guide shafts 58, 59, 60 are inserted through the reference numerals 63, 64, extends horizontally between the position close to the cartridge insertion / removal port and the position where the disc cartridge 1 can be mounted in the cartridge mounting portion 26. The drive unit support base is movable in the vertical direction and is movable in the vertical direction between the position where the disc cartridge 1 can be mounted in the cartridge mounting unit 26 and the position where the optical disc 5 is mounted on the disc table 39. 25
Be supported by.

The tip end sides of the support guide shafts 58, 59, 60 of the cartridge holder 51 are further provided with a cartridge holder movement guide groove 6 formed on the drive portion support base 25.
No. 2, 63, 64 corresponding to the first of the fixed base 21
And the escape hole portion 6 formed in the second side wall portions 35 and 36.
It projects through the side walls 35, 36 through 5, 66, 67. These escape holes 65, 66, 67
Does not hinder the movement of the support guide shafts 58, 59, 60 when the movement is performed, and when the cartridge holder 51 is lowered to the cartridge mounting portion 27 side,
The cartridge holder movement guide groove 6 so that the support guide shafts 58, 59, 60 can freely move.
It is formed wider than the width of 2, 63, 64.

Then, the cartridge holder transporting body 52 for moving the cartridge holder 51 by guiding the cartridge holder 51 in the cartridge holder movement guide grooves 62, 63, 64.
As shown in FIG. 6, is disposed between the first and second side wall portions 35 and 36 of the fixed base 21.
The cartridge holder 51 is attached so as to be movable in the horizontal movement direction of the cartridge holder 51.

As shown in FIGS. 7 and 8, the cartridge holder carrier 52 extends so as to hang down to the outer surface side of each of the side walls 35, 36.
The first and second side plates 7 having cam grooves 68, 69, and 70 with one end opened to engage and disengage the respective support guide shafts 58, 59, and 60 of the cartridge holder 51 protruding from 36.
1, 72 and a connecting plate 73 connecting these side plates. This connecting plate 73, as shown in FIG.
It is composed of a first side plate side portion 73a and a second side plate side portion 73b, and these first and second side plate side portions 73a, 73
b is connected by a screw 73c.

Then, the cartridge holder carrier 52
Is a plurality of slide guide members 75 having a U-shaped cross section, which are attached to the inner side surfaces of the first and second side plates 71 and 72 in the vicinity of the connecting portions to the connecting plate 73. The first and second side wall portions 35, 3 are fitted and attached to the slide guide support pieces 35a, 36a formed by bending the tip ends of the second side wall portions 35, 36.
6 and is guided by the slide guide support pieces 76 and 77, and is horizontally movable in a stable state on the first and second side wall portions 35 and 36.

The cartridge holder carrier 52 is
As shown in FIG. 6, the central portion is pivotally supported by a pivot 78 and is connected to the fixed base 21 via a pair of open / close arms 79 and 80 which can be opened and closed. One of the opening / closing arms 79 has one end side rotatably supported by a support shaft 81 erected on the connecting plate 73 of the cartridge holder carrier 52, and an opening / closing guide pin 82 protruding on the other end side. An extension piece 83 extending from one side of the upper end side of the second side wall portion 36 is attached by engaging with an elongated hole 84 formed in a direction orthogonal to the moving direction of the cartridge holder transport body 52, and opening / closing the other side. The arm 79 has one end rotatably supported by a support shaft 86 that is erected on a bent piece 85 formed by bending the upper end edge of the first side wall portion 35 of the fixed base 21, and the other end of the arm 79. The projecting opening / closing guide pin 87 is attached by engaging with the elongated hole 88 formed in the direction orthogonal to the moving direction of the connecting plate 73 and the cartridge holder carrier 52. The pair of open / close arms 79 and 80 connecting the cartridge holder transport body 52 and the fixed base body 21 with such a configuration each move the cartridge holder transport body 52 to open / close the open / close guide pins 8.
2 and 87 are opened and closed around the pivot 78 around the long holes 84 and 88, respectively, to realize stable movement of the cartridge holder carrier 52.

By the way, the cartridge holder carrier 52
The cam grooves 68, 69, 70 provided in the cartridge holder 51 are located at positions where the cartridge holder 51 is elevated with respect to the cartridge mounting portion 27 on the disk drive portion 26, and the support guide shafts 58, 59, 60 are used for the cartridge holder movement guide. Horizontal movement guide portions 62a, 63a of the grooves 62, 63, 64,
When the cartridge holder 51 located at 64a is in the horizontal movement state, the support guide shafts 58, 5
9, 9 and 60 are maintained in the engaged state to allow the cartridge holder 51 to move in the horizontal direction, and the cartridge holder 51 is raised from the position lowered to the cartridge mounting portion 27 side with respect to the cartridge mounting portion 27. The support guide shafts 58, 59, 60 are guided so as to gradually rise or fall along with the movement of the cartridge holder transfer body 52 across the positions, and the optical disc 5 is mounted on the disc table 39. The support guide shafts 58, 59, 60 are disengaged by moving the cartridge holder transfer body 52 in a loading completed state in which the optical disc 5 can be rotated. is there. That is,
As shown in FIGS. 7 and 8, each of the cam grooves 68, 69, 70 has one end side as an open end 68a, 69a, 70a, and is inclined in a direction gradually rising from the open end 68a, 69a, 70a. The inclined surface portions 68b, 69b, 70b are provided, and vertical portions 68c, 69c, 70 are provided at the inner end of the bottom.
c is provided.

Then, the cartridge holder carrier 5
2 is a second side wall portion 36, as shown in FIGS. 7 and 10.
It is moved by a carrier feeding mechanism 91 driven by a carrier feeding motor 90 disposed on the outer side surface of the.
The carrier feeding mechanism 91 includes a rack plate 92 attached to the upper edge of the second side plate 72, a connecting gear mechanism 93 including a plurality of gears meshing with a rack gear 92a of the rack plate 92, and the carrier feeding motor. Worm gear 9 meshing with the connecting gear mechanism 93 attached to the output shaft of 90
4 and.

As described above, the carrier feeding mechanism 91 constructed by using the worm gear 94 accurately regulates the moving position of the cartridge holder carrier 52 unless the driving force from the carrier feeding motor 90 is transmitted. Is possible.

By the way, the rack plate 92 constituting the carrier feeding mechanism 91 is a pair of support shafts 95a, 95b which are set up on the second side plate 72 of the cartridge holder carrier 52.
Through the long holes 96a, 96b,
In the direction of meshing with the connecting gear mechanism 93 by a limiter spring 97 stretched between the second side plate 72 and the second side plate 72 slidably supported in the range of 96b. And is urged to move in the direction of arrow B in FIG. In this way, it is connected to the worm gear 94,
By mounting the rack plate 92 that is slidable within the range of the long holes 96a and 96b, the cartridge holder carrier 52 can be mounted on the cartridge holder 51 as described later.
The disc cartridge 1 can be moved in the direction of the arrow C in FIG. 10 against the urging force of the limiter spring 97 in the range of the elongated holes 96a and 96b by receiving the pressing force when the disc cartridge 1 is inserted. Then, when the disc cartridge 1 is inserted into the cartridge holder 51 and the operation of moving the cartridge holder carrier 52 is performed, the second side wall portion 3
A switch pressing piece 98 formed by bending the front end side of 6 presses a control switch 99 of a carrier feeding motor 90 mounted on the fixed base 21 side, and the carrier feeding motor 9 is moved.
0 drive is started, and the cartridge holder carrier 5
Start to move 2.

The cartridge loading mechanism 28 composed of the cartridge holder 51 and the cartridge holder carrier 52 configured as described above allows the disc cartridge 1 to be inserted into and removed from the cartridge holder 51. When the cartridge holder 51 is in the initial position as shown in, the horizontal movement guide portion 6 of the cartridge holder movement guide grooves 62, 63 and 64 is moved.
Support guide shafts 58, 5 are provided on the front end sides of 2a, 63a, 64a.
9, 60, and these support guide shafts 58, 59,
Reference numeral 60 is a vertical portion of the cam grooves 68, 69, 70 provided in the cartridge holder carrier 52. Vertical portions 68c, 69c, 7
0c is engaged.

Here, the disc cartridge 1 is inserted into the cartridge holder 51, and the cartridge holder carrier 52 moves against the urging force of the limiter spring 97 for urging the rack plate 92, as shown in FIG. Was
When the control switch 99 is pressed by the switch pressing piece 98 to start the forward rotation driving of the transporting body feed motor 90, the cartridge holder transporting body 52 is moved in the arrow D direction in FIG. 7 and the arrow E direction in FIG. It is moved to the disk drive unit 26 side inside the main body. At this time, since the cartridge holder 51 engages the support guide shafts 58, 59, 60 with the vertical portions 68c, 69c, 70c of the cam grooves 68, 69, 70, the cartridge holder carrier 5 described above.
7 is moved in the direction of arrow D in FIG. 7 and the direction of arrow E in FIG.

Then, the cartridge holder 51 has the support guide shafts 58, 5 from the cartridge holder carrier 52.
As shown by the phantom line in FIG. 11, when the feeding operation of 9 and 60 reaches the positions facing the vertical movement guide portions 62b, 63b and 64b of the cartridge holder movement guide grooves 62, 63 and 64, the above-mentioned support is performed. As shown in FIG. 12, the guide shafts 58, 59 and 60 have the vertical movement guide portions 62b and 6b.
Guided by 3b and 64b, the disk drive unit 26 is lowered to the cartridge mounting unit 27 side. Even when the cartridge holder 51 is lowered to the cartridge mounting portion 27 side, the cartridge holder carrier 52 continues to move in the direction of arrow F in FIG. 14, and the inclined surface portions 68b, 69b, 70b of the cam grooves 68, 69, 70. Support guide shafts 58, 5
These support guide shafts 58, 5
9, 60 are used as cartridge holder movement guide grooves 62, 6
The vertical movement guide portions 62b, 63b, 64b of 3, 64 are guided and lowered. When the cartridge holder carrier 52 moves until the cartridge holder 51 is lowered toward the cartridge mounting portion 27 side, the support guide shaft 5
As shown in FIGS. 14 and 15, the reference numerals 8, 59, 60 are provided with cam grooves 68, 6 via open end portions 68a, 69a, 70a.
It is separated from 9,70. As a result, the cartridge holder 51 is mounted on the cartridge mounting portion 27 with the disc cartridge 1 being independent of the cartridge holder carrier 52, and the optical disc 5 accommodated in the disc cartridge 1 is shown in FIG. It is mounted on the disc table 39 as described above.

By the way, the cartridge holder carrier 52
The disc cartridge 51 that has been detached from the disc and is in the independent state is in a freely movable state. Therefore, the disk cartridge 1 held here
Cannot be accurately positioned and supported by the cartridge mounting portion 27, and the optical disk 5 accommodated in the disk cartridge 1 can be loaded into the disk table 39.
It will not fit correctly on top.

Therefore, in the present invention, when the cartridge holder 51 is lowered to the cartridge mounting portion 27 side and is detached from the cartridge holder carrier 52, the cartridge holder 51 is driven by the drive mechanism of the disc drive portion 26. Means for integrating with the support base 25 are provided.

This uniting means is constituted by the cartridge holder 51, the cartridge holder carrier 52, the support guide shafts 58, 59 and 60, and the vertical direction of the cartridge holder movement guide grooves 62, 63 and 64 as shown in FIG. When the feed operation is performed up to a position facing the movement guide portions 62b, 63b, 64b or a position in the vicinity thereof, the support guide shafts 58, 59, 60 are abutted and the support guide shafts 58, 59, 60 are vertically moved. Guide parts 62b, 63
When the cartridge holder 51 is operated to descend toward the cartridge mounting portion 27, the support guide shafts 58, 59, and 60 are pressed and supported to the drive mechanism supporting base 25 side when the cartridge holder 51 is operated to descend toward the cartridge mounting portion 27 side. It is configured with a means for causing it.

Specifically, the above-mentioned uniting means is constituted by the leaf spring 101 arranged on the drive mechanism supporting base 25. As shown in FIG. 11, the leaf spring 101 has a base end portion 101a fixed on the drive mechanism supporting base 25, and a support guide shaft pressing portion 102 on the free end side of the cartridge holder movement guide grooves 62, 63, 64. The support guide shafts 58 are mounted on the drive mechanism support base 25 so as to face the support guide shafts 58, 59, 60 which are moved by being guided by the vertical movement guide portions 62b, 63b, 64b. , 59, 60 are vertical movement guide portions 6 of the cartridge holder movement guide grooves 62, 63, 64.
The support guide shaft pressing portion 102 is mounted at a position where it abuts on the support guide shafts 58, 59, 60 when reaching a position facing 2b, 63b, 64b or a position in the vicinity thereof.

Further, the leaf spring 101 is a view of a direction in which the respective support guide shafts 58, 59, 60 are pressed and supported on the drive mechanism supporting base 25 side when the cartridge holder 51 is operated to descend to the cartridge mounting portion 27 side. 12 It is formed so as to be able to apply a pressing force in the direction of the middle arrow G.

The leaf spring 101 as a means for integrating the cartridge holder 51 with the drive mechanism supporting base 25 of the disk drive unit 26 includes the cartridge holder 5
1 is a support guide shaft 5 from the cartridge holder carrier 52.
8, 59 and 60 are cartridge holder movement guide grooves 6
2, 63, 64 vertical movement guide portions 62b, 63b, 6
When moved to a position facing 4b or a position in the vicinity thereof, as shown in FIG. 11, the support guide shafts 58, 5 are moved.
Abut on 9,60. When the cartridge holder transport body 52 is further moved in the direction of arrow F in FIG. 14 from the state where the leaf spring 101 is in contact with the support guide shafts 58, 59, 60, the leaf spring 101 is moved as shown in FIG. To
The respective support guide shafts 58, 59, 60 are guided by the vertical movement guide portions 62b, 63b, 64b of the cartridge holder movement guide grooves 62, 63, 64 to be pressed and biased in the descending direction. Therefore, each of the support guide shafts 58, 5 is
Reference numerals 9 and 60 denote inclined surface portions 68 of the cam grooves 68, 69 and 70.
b, 69b, 70b along the vertical movement guide portion 62
Guided by b, 63b, 64b, the descent operation is surely performed.

The leaf spring 101 presses and supports the respective support guide shafts 58, 59, and 60 to drive the cartridge holder 51 even after the cartridge holder 51 reaches the position where the cartridge holder 51 is lowered to the cartridge mounting portion 27 side. The mechanism supporting base 25 is held in a pressure-bonded state.

Further, the mounting apparatus for the disc cartridge 1 to which the present invention is applied is such that when the disc cartridge 1 is positioned in the cartridge mounting portion 27 and the optical disc 5 is mounted on the disc table 39, it is in the loading state. 51 is shown in FIG. 14 and FIG.
As shown in, the support guide shafts 58, 59, 60 are disengaged from the cam grooves 68, 69, 70 and placed in a state of being independent of the cartridge holder transport body 52.

In order to eject the disc cartridge 1 mounted in the cartridge mounting portion 27,
Cartridge holder 51 with cartridge carrier 52
Support guide shafts 58,
It is necessary to engage 59, 60 with the cam grooves 68, 69, 70.

Furthermore, the disc player of this embodiment is
As described above, the drive part support base 25 is supported by the fixed base 21 in a floating state in which it can be easily displaced in the vertical and horizontal directions. Therefore, the support guide shafts 58, 5 once separated from the cam grooves 68, 69, 70
It becomes extremely difficult to engage 9, 60 with the cam grooves 68, 69, 70, respectively.

Therefore, when the disc cartridge 1 is ejected from the cart 0 mounting portion 27, the support guide shafts 58, 59, 60 are easily engaged with the cam grooves 68, 69, 70, respectively. A cartridge holder position adjusting mechanism 103 that guides the cartridge is provided. Also,
The cartridge holder position adjusting mechanism 103 fixes the drive unit support base 25, which is supported by the fixed base 21 in a floating state, to the fixed base 21 when the disc cartridge 1 is not mounted in the disc player. It also has functions.

This cartridge holder position adjusting mechanism 10
3 is the first and second side wall portions 35, 36 of the fixed base 21.
The first side wall portion 35 will be described below. The first side wall portion 35 will be described.
With respect to those arranged on the side, common reference numerals are given to common portions, and detailed description thereof will be omitted.

Cartridge holder position adjusting mechanism 10
3 is a fixing lever 104 for fixing the drive unit support base 25 that is moved and operated by the cartridge holder transfer body 52 after the cartridge holder transfer body 52 lowers the cartridge holder 51 to the cartridge mounting portion 27 side.
It is composed of

As shown in FIG. 8, the fixed lever 104 has a pair of slide guide holes 10 each having a major axis in the longitudinal direction.
5, 105 are engaged with the slide guide shafts 106, 106 that are erected on the second side wall portion 36, are movable within the range of the slide guide holes 105, 105, and are supported on the second side wall portion 36. Has been done. Further, the fixing lever 104 is provided with a tension spring 108 stretched between a spring locking piece 107 formed by cutting and raising a part of the second side wall portion 36.
Thus, it is constantly urged to move forward in the direction of arrow H in FIG. 8 on the cartridge insertion / ejection side of the player body.

On the fixed lever 104, the first and second side plate portions 61 and 62 of the drive portion support base 25 are provided so as to project, and the first and second side wall portions 35 and 3 of the fixed base body 21 are provided.
6, a pair of shaft engaging grooves 11 engaged with fixed shafts 110, 110 protruding through shaft insertion holes 109 formed in the shaft 6, respectively.
1, 112 are drilled. These shaft engaging grooves 111,
On one end side of 112, an inclined guide portion 11 that gradually expands in diameter
3 is formed. The inclined guide portion 113 guides engagement so that the fixed shaft 110 easily engages with the shaft engagement grooves 111 and 112.

On the side of the enlarged diameter guide portion of the inclined guide portion 113, an open portion 114 which is largely opened is formed.
That is, when the open shaft 114 has the fixed shafts 110, 110, the fixed shafts 110, 110 are allowed to move freely and the drive unit support base 25 is brought into a floating state.

Further, the middle portion of one side surface of the fixing lever 104 is extended so as to hang down the portion of the cartridge holder carrier 52 having the cam groove 69 on the front end side formed on the second side plate 72. Fixed lever pressing piece 115 formed by
A pressing operator 116 that is pressed by is projected.
The pressing operator 116 is used for the cartridge holder carrier 5.
2 mounts the cartridge holder 51 on the cartridge mounting portion 27
It is provided at a position where it abuts against the fixed lever pressing piece 115 when it is moved to a position lowered to the side.

Therefore, the fixed lever 104 is pulled when the cartridge holder carrier 52 is moved to a position where the cartridge holder 51 can be inserted into and removed from the disk cartridge 1 and the disk cartridge 1 is not mounted and is not driven. It is in a state in which it is moved and biased in the direction of arrow H in FIG. 8 under the biasing force of the spring 108. At this time, the fixed lever 104 is in a state in which the fixed shafts 110, 110 of the drive part support base 25 are engaged with the shaft engagement grooves 111, 112, and the drive part support base 25 is fixedly supported by the fixed base 21. Keep it in the closed state.

The fixed lever 104 is further moved in the direction of arrow I in FIG. 15 after the cartridge holder carrier 52 has moved the cartridge holder 51 to the position where the cartridge holder 51 has been lowered to the cartridge mounting portion 27 side.
The pressing operator 116 is pressed by the fixed lever pressing piece 115 and moved inward in the direction of arrow J in FIG.
By moving the fixing lever 104 in the direction of arrow J in FIG. 15, the drive unit supporting base 25 to the shaft engaging grooves 111 and 112 is formed.
Of the fixed shafts 110, 110 of the
To face. As a result, the drive part support base 25 is released from the fixed base 21 and is brought into a floating state.

Then, in order to eject the disc cartridge 1 mounted in the cartridge mounting portion 27,
When the eject operation button provided on the player main body is operated to reversely drive the carrier feeding motor 90 and the cartridge carrier 53 is moved in the direction of the arrow I in FIG. The fixed lever 104, which is brought into contact with the pressing member 116 against the lever pressing piece 115, moves in the returning direction in the direction of arrow K in FIG. 15 under the urging force of the tension spring 108 together with the cartridge carrier 53. Along with this movement in the return direction, the fixed guide shafts 110, 110 of the drive unit support base 25 are engaged with the shaft engagement grooves 111, 112 using the inclined guide portion 113 as a guide surface, and the drive unit support base 25 is moved. It is fixed to the fixed base 21.

When the drive unit support base 25 is fixed to the fixed base 21 in this manner, the support guide shafts 58, 59,
60 is disengaged from the cam grooves 68, 69, 70, and the leaf spring 1
The cartridge holder 51 integrated with the drive unit support base 25 by 01 is also fixed together with the drive unit support base 25, and the positions of the support guide shafts 58, 59, 60 are also fixed. As a result, these support guide shafts 58, 59, 6
0 is a cam groove 6 provided in the cartridge holder carrier 52.
Position adjustment of the open ends 68a, 69a, 70a of the 8, 69, 70 is achieved. The support guide shafts 58, 59, 60 of the cartridge holder 51 are attached to the fixed base 21.
The fixed guide shafts 58, 59, 60 and the cam grooves 68, 69, 70 are engaged with the open ends 68a, 69a, 70a of the cam grooves 68, 69, 70.
A stable and reliable engagement with is realized.

If the disc cartridge 1 is loaded while the disc cartridge 1 is erroneously inserted in the cartridge holder 52, the disc cartridge 1 may be damaged or the disc drive unit 26 may be damaged.
The optical pick-up device 23 and other mechanical parts arranged in the above may be damaged.

Therefore, in this disc cartridge mounting device, the cartridge holder carrier 52 for moving the cartridge holder 51 is securely positioned at the initial position where the disc cartridge 1 can be inserted into and removed from the cartridge holder 51. A mechanism that allows the cartridge holder carrier 52 to move and allows the cartridge holder 51 to be fed after detecting the fact that the disc cartridge 1 is properly inserted into the cartridge holder 51. Is provided.

The cartridge holder carrier 52 constituting the cartridge loading mechanism 28 has an initial position as shown in FIG. 6, FIG. 7 and FIG. 8 which allows the cartridge holder 51 to be inserted into and removed from the disk cartridge 1. When it is in the state of being moved, the movement is regulated by the carrier position regulating plate 117 attached to the fixed base 21.

As shown in FIG. 17, the transport body movement restricting plate 117 is formed by a plate-shaped member bent in an L-shape, and protrudes from a rear wall 118 that stands upright on the rear side of the fixed base 21. An engaging hole 119 formed near the bent portion is engaged with the provided support piece 118a, the support piece 118a is rotatably supported around the support piece 118a, and the hanging piece 117a and the rear surface hanging toward the rear wall 118 side. The regulating plate portion 117b extended on the cartridge holder transport body 52 by a biasing spring 120 formed of a leaf spring arranged between the wall 118 and the cartridge holder transport body 52 is rotated toward the cartridge holder transport body 52 side. 17 It is urged to rotate in the direction of the middle arrow L.

The urging spring 120 has the base end side which is the free end 120a fixed to the rear wall 118 and which is the hanging piece 11.
7a is pressed and biased.

Then, as shown in FIG. 6, the connecting plate 73 of the cartridge holder carrier 52 is provided on the leading end side of the restricting plate portion 117b of the carrier body movement restricting plate 117 extending above the cartridge holder carrier 52. When the cartridge holder transport body 52 is formed in the initial position with the engaging portion 121 formed on one side of the rear surface, the engaging portion 121 is engaged with the connecting plate 73 as shown in FIGS. 6 and 16. The cartridge holder transport body 52 is regulated to the initial position by combining them.

Further, as shown in FIGS. 16 and 17, the pressed portion 125 protruding toward the cartridge holder 51, which is located on the lower surface side of the cartridge holder transport body 52, bulges out at the tip end side of the regulation plate portion 117b. Has been formed. The pressed portion 125 is a slider member 123 that constitutes an eject mechanism 122, which will be described later, that is moved by the disc cartridge 1 inserted into the cartridge holder 51.
It is pressed by a pressing operation section 124 provided on the upper surface side of the disk, and also functions as a detection section for detecting the insertion position of the disc cartridge 1 inserted into the cartridge holder 51.

That is, the pressed portion 125 is properly inserted into the cartridge holder 51 as described later,
Enables the slide operation of the slider member 123,
Disk cartridge 1 to the position where transport operation is allowed
Is a detection unit that detects that the is inserted.

Then, the carrier movement regulating plate 117 is
When the slider member 123 is inserted into the cartridge holder 51 in a normal state and the slider member 123 is moved by the disk cartridge 1, the pressed portion 125 is pressed by the pressing operation portion 124, the biasing force of the biasing spring 120 is applied. 17 is rotated in the direction of the arrow M in FIG. 17 to release the engagement of the engaging portion 121 with the connecting plate 73 of the cartridge holder carrier 52, and the cartridge holder carrier 52 is made movable.

In addition, the eject mechanism 122 including the slider member 123 having the pressing operation portion 124 for controlling the rotation of the carrier movement restricting plate 117 is the cartridge holder 5
1 is disposed on the upper surface side.

As shown in FIG. 18, the eject mechanism 122 includes a slider member 123 slidably mounted in the cartridge holder 51 in the insertion / removal direction of the disc cartridge 1, and a lock lever 126 for locking the slide member 123. , This lock lever 126
Of the lock release lever 127 for releasing the lock of the slide member 123 of
7 and a slide lever 128 that associates the lock lever 126 with each other.

As shown in FIG. 17, the slide member 123 has a slide portion 123a which engages with a slide guide groove portion 129 formed from the flat surface side of the cartridge holder 51 to a midway portion thereof, and a base of the slide portion 129. It is composed of an eject operation section 130 that is pressed by the disk cartridge 1 that is provided on the end side and projects inward of the cartridge holder 51, and that presses the disk cartridge 1 at the time of ejecting. The slide portion 123 is slidably supported by the cartridge holder 51 by engaging the engagement grooves formed on both sides of the slide portion 129 with the opposite sides of the slide guide groove portion 129 so as to slidably support the cartridge holder 51. A tension spring 132 stretched between the cut-and-raised spring locking piece 131 is urged to move the disk cartridge 1 in the direction of arrow N in FIG. It is attached to 51.

Further, with respect to the slide member 123, the shutter member opening operation piece 56 enters the groove portion 12 while the disk cartridge 1 is not restricted by the shutter member opening operation piece 56 and the erroneous insertion prevention piece 57, and the shutter member 9 is moved.
20 is released from the engagement with the shutter lock member 11 and is inserted into the cartridge holder 51 to the position shown in FIG. 20 where the shutter member 9 can be moved, as shown in FIG. The part 130 is mounted so as to be pressed.

The lock lever 126 for locking the slide member 123 is formed in a substantially L shape, is rotatably supported by the support shaft 133 installed in the cartridge holder 51, and is also supported by the support shaft 133. The torsion coil spring 13 is wound and has one end side locked to a part of the cartridge holder 51 and the other end side locked to a part of the lock lever 126.
5, the engaging step portion 13 that engages with the slide member 123
The one end side where 6 is formed is rotationally biased in the direction of arrow O in FIG. 18 so as to rotate toward the slide member 123 side.
The other end of the lock lever 126 is opposed to one end of the slide lever 128 so as to come into contact therewith.

The slide lever 128 is attached so that the pair of support shafts 136 and 137 planted in the cartridge holder 51 are engaged with the elongated holes 138 and slidable within the range of these elongated holes 138. Further, the slide lever 128 is provided with a tension spring 14 stretched between the slide lever 128 and a spring locking piece 140 formed on the cartridge holder 51.
18 in the direction of separating from the lock lever 126 by
It is urged to move in the direction of the middle arrow P.

A lock release lever 127 for rotating the lock lever 126 via the slide lever 128.
Is rotatably supported by a support shaft 142 planted in the cartridge holder 51, and the cartridge holder 5
The tension spring 144 stretched between the spring locking piece 143 formed in 1 and the spring locking piece 143 is urged to rotate in a direction away from the slide lever 128. The rotation biasing position of the lock release lever 127 by the tension spring 144 is restricted by the rotation restricting portion formed in the cartridge holder 51. Then, one end of the lock release lever 127 is opposed to the other end of the slide lever 128 so as to come into contact therewith.

Ejecting mechanism 1 configured as described above
When the disc cartridge 1 is inserted without being inserted into the cartridge holder 31 by mistake, the eject operation portion 130 is pressed by the disc cartridge 1, and the slider member 123 resists the biasing force of the tension spring 132. 19 Moved in the arrow Q direction. The slider member 123 is moved and operated against the biasing force of the tension spring 132, and the locking portion 123a, which is a corner portion on one end side of the slider member 123, has the locking step portion 1 of the lock lever 126.
36, the lock lever 126 is rotated in the direction of arrow R in FIG. 19 under the biasing force of the torsion coil spring 135, and the locking step portion 136 is locked.
a and the slider member 123 is engaged with the tension spring 132.
Locked in the moved position against the urging force of. By thus locking the slider member 123 in a state where the tension spring 132 is extended, an ejecting force for ejecting the disc cartridge 1 inserted in the cartridge holder 51 is applied to the slider member 123.

When the lock lever 126 is rotated to lock the slider member 123, the other end of the lock lever 126 is brought into contact with one end of the slide lever 128.

By the way, the eject mechanism 122, in which the tension spring 132 is extended and the ejecting force of the disc cartridge 1 is applied to the slider member 123, is provided in the cartridge holder carrier 52, and the cartridge holder carrier 52 is moved. The eject start mechanism 151 is operated by a slider. The eject start mechanism 151 is provided in the cartridge holder carrier 52.
Ejection mechanism operating lever 15 mounted on one side
It is composed of 2.

The eject mechanism operating lever 152 is
As shown in FIG. 21, a pressing operation piece 154, which is formed as a long lever and is operated to press the pressed piece 153 formed at one end of the lock release lever 127 constituting the eject mechanism 122, is provided at one end side, and the other end side is provided. Is provided with a pressed operation piece 155 which is brought into contact with an extension piece 83 formed on the second side wall portion 36 of the fixed base body 21 which is a fixed end and is pressed by the extension piece 83.

Then, the eject mechanism operating lever 1
Reference numeral 52 denotes a pair of support shafts 156, 157 that are erected on the inner surface side of the connecting plate 73 that constitutes the cartridge holder carrier 52.
The long hole 15 with the major axis in the longitudinal direction of the lever 152
8 and 159 are locked, and the sliders can be slid within the range of these elongated holes 158 and 159, and are attached to the cartridge holder carrier 52. Further, the eject mechanism operating lever 152 is used for the cartridge holder carrier 52.
21 is always urged in the direction of arrow P in FIG.

The eject mechanism operating lever 152 having the above-described structure is arranged such that after the cartridge holder carrier 52 moves the cartridge holder 51 to the initial position where the disk cartridge 1 can be inserted and removed, the carrier feed motor is further moved. 90 is driven to drive the cartridge holder carrier 52.
Is moved toward the initial position to operate the slider. That is, when the cartridge holder carrier 52 is moved to the initial position where the cartridge holder 51 can be inserted / removed and then further moved in the direction of arrow Q in FIGS. 7 and 21, the eject mechanism operating lever is moved. The pressed piece 155 provided on the other end side of the extension piece 152 has an extension piece 83 formed on the second side wall portion 36 of the fixed base 21.
And the movement of the eject mechanism operating lever 152 is stopped. When the cartridge holder transport body 52 is further moved from here to the initial position direction of the arrow Q direction in FIG. 7, the eject mechanism operating lever 152 causes the tension spring 16 to move.
The cartridge holder carrier 52 is moved in the direction of arrow R in FIG. 21, which is opposite to the direction of movement of the cartridge holder carrier 52 against the urging force of 1, and the ejecting mechanism 122 is moved by the pressing operation piece 154 on the one end side.
The pressed piece 153 formed at one end of the lock release lever 127 constituting the above is pressed.

The lock release lever 127 on which the pressed piece 153 is pressed is pivotally operated against the urging force of the tension spring 144, and the slide lever 128 is operated to slide against the urging force of the 141. When the slide lever 128 is slid, the lock lever 126 is rotated by the slide lever 128 in the direction of arrow S in FIG. 19 against the biasing force of the torsion coil spring 135. When the lock lever 126 is rotated in this manner, the locking step portion 136 of the lock lever 126 is moved to the slider member 12.
3 is released from the locking portion 123a, and the slider member 123 is unlocked. The slider member 123 unlocked by the lock lever 126 is suddenly moved and returned to the initial position by receiving the biasing force of the tension spring 132 which is extended by the disc cartridge 1 and which is provided with the elastic restoring force. By this return operation of the slider member 123,
In the disc cartridge 1 inserted and held in the cartridge holder 51, one side 4c on the insertion end side is pressed by the eject operation portion 130 of the slider member 123,
As shown in FIG. 1, it is ejected from the cartridge holder 51.

Next, a state in which the disk cartridge 1 having the above-described structure is loaded by the disk cartridge mounting apparatus having the above-described structure will be described. Since the disc cartridge 1 can be inserted into the cartridge holder 51, it is moved to a position close to the cartridge insertion / ejection opening of the player body. That is,
As shown in FIGS. 6, 7 and 8, the cartridge holder carrier 52 is moved to the initial position as shown in.
In this state, the fixed lever 104 receives the biasing force of the tension spring 104 without being pressed by the cartridge holder carrier 52, and the fixed shafts 110, 110 of the drive unit supporting base 25 are inserted into the shaft engaging grooves 111, 112. Engage,
Keep it fixedly supported.

Further, in this initial state, the cartridge holder 51 has the support guide shafts 58, 59, 60 in the cam grooves 68, 69, 70 of the cartridge holder carrier 52.
The vertical holders 68a, 69a and 70a are engaged with each other and are movable together with the cartridge holder carrier 52. Further, the support guide shafts 58, 59, 60 are located in the horizontal movement guide portions 62a, 63a, 64a of the cartridge holder movement guide grooves 62, 63, 64 and are in the raised position.

Here, the disc cartridge 1 is inserted into the cartridge holder 51 through the front opening 53.
At this time, when the disc cartridge 1 is properly inserted into the cartridge holder 51 without being inserted incorrectly, as shown in FIG. 19, the slide member 123 is moved by the one side surface 4b of the disc cartridge 1 on the insertion end side.
Is moved against the urging force of the tension spring 123, and the urging force in the direction of ejecting the disc cartridge 1 from the cartridge holder 51 is accumulated in the eject mechanism 122.

As described above, when the disc cartridge 1 is inserted into the cartridge holder 51, the insertion of the disc cartridge 1 is detected by the pressed portion 125 of the carrier movement restricting plate 117, and the disc cartridge 1 detects the above. When the pressed portion 125 is pressed as shown in FIG. 17, the position regulation of the cartridge holder transport body 52 by the transport body movement regulating plate 117 is released, and the cartridge holder transport body 52 is transported by the transport body feeding mechanism 9
1 makes it possible to perform a moving operation.

When the disc cartridge 1 is inserted into the cartridge holder 51, the disc cartridge 1
When the cartridge holder 51 is pressed by the insertion of the
10 against the biasing force of the limiter spring 97 for biasing the
It is moved in the direction of the middle arrow C. Then, the switch pressing piece 9
8 presses the control switch 99, the carrier feeding motor 90 starts driving in the forward direction, and the cartridge holder carrier 52 is moved through the carrier feeding mechanism 91 to the cartridge mounting portion 27 in the direction of arrow B in FIG. Move in the direction. Then, the cartridge holder 51 is moved in the same direction by the movement of the cartridge carrier 52, so that the cartridge holder movement guide grooves 62, 63, 64 are supported by the support guide shafts 58, 59, 6 of the cartridge holder 51.
As described above, the disk cartridge 1 is guided to the position 0 and is lowered to the cartridge mounting portion 27 side to position and mount the disc cartridge 1 in the cartridge mounting portion 27 and mount the optical disc 5 on the disc table 39. At this time, the support guide shafts 58, 5 of the cartridge holder 51
9, 60 are the cam grooves 6 of the cartridge holder carrier 52.
The cartridge holder 51 is separated from 8, 69, and 70 and is pressed and supported by a leaf spring 101 which is a unit for unifying the cartridge holder 51. Be converted.

Further, the cartridge holder carrier 52
Attaches the cartridge holder 51 to the cartridge mounting portion 27.
Even after being lowered to the side, it is operated to move inward in the direction of arrow D in FIG. 7 by the carrier feeding motor 90 to move the fixed lever 104 against the urging force of the tension spring 108, and the driving mechanism support base 25. Shaft engaging grooves 111, 112 of the fixed shaft 110
To be in a floating state.
In this floating state, the cartridge holder 51 is integrated with the drive mechanism supporting base 25 by the leaf spring 101, so that the cartridge holder 51 can be easily displaced on the drive mechanism supporting base 25. Therefore, the cartridge holder 5 including the disk drive unit 26 and the disk cartridge 1 loaded in the disk drive unit 26
1, the external vibration can be blocked, the disk rotation drive mechanism 22 mounted on the disk table 39 guarantees a stable rotation operation, the stable feed operation and control of the optical pickup device 23 are realized, and the information signal Recording and / or reproduction of the information signal is realized with good recording / reproduction characteristics without causing loss.

The cartridge holder carrier 52
However, when the drive mechanism supporting base 25 is moved to a position where the fixed lever 104 is moved to a position where the drive mechanism supporting base 25 is in a floating state, the carrier feeding motor 90 is stopped and the loading operation of the disc cartridge 1 is completed.

Next, a series of ejecting operations for ejecting the disc cartridge 1 mounted in the cartridge mounting portion 27 will be described. When the eject operation button provided on the player body is operated, the disc in the drive state is driven. The drive unit 26 is stopped, the conveyance body feed motor 90 starts driving in the reverse direction, and the cartridge conveyance body 52 is moved to the cartridge mounting unit 27 side via the conveyance body feed mechanism 91 in the direction of the cartridge holder 51 direction. 15 Move in the direction of the middle arrow I.

When the cartridge holder carrier 52 is moved toward the cartridge holder 51, the fixing lever 104 is moved.
Is moved in the returning direction of the arrow K in FIG. 15 by the urging force of the tension spring 108 as the cartridge holder carrier 52 moves, and the fixed shaft 110 of the drive support base 25 is inserted into the shaft engaging grooves 111 and 112. And the drive support base 25 is fixed to the fixed base 21. The cartridge holder 51, which is integrated with the drive supporting base 25 by the leaf spring 101, is also fixed to the fixed base 21 together with the drive supporting base 25.

Then, the cartridge holder carrier 52
After the cartridge holder 51 and the drive supporting base 25 are fixed to the fixed base 21, the cam groove 68, 69, 70 is moved in the direction of arrow I in FIG.
The support guide shafts 58, 59 of the cartridge holder 51,
The cartridge holder 51 is integrated with the cartridge holder carrier 52 by advancing 60. When the cartridge holder transport body 52 is further moved and operated in the direction of arrow I in FIG. 15 from here, the cartridge holder movement guide groove 62,
While being guided by 63 and 64, it is lifted from the side of the cartridge mounting portion 27, and is moved toward the initial position where the disc cartridge 1 can be inserted and removed.

When the cartridge holder carrier 52 is moved so as to move the cartridge holder 52 in the position direction in which the disk cartridge 1 can be inserted and removed, as shown in FIG. 21, the eject mechanism operating lever 1 is moved.
Depressed operation piece 155 of 52 is extended piece 8 on the side of fixed base 21
3, the eject mechanism operating lever 152 is moved against the urging force of the tension spring 161, and the pressing operation piece 154 rotates the unlocking lever 127 of the eject mechanism 122 to lock the slider member 123. And the disc cartridge 1 in the cartridge holder 52 is ejected as shown in FIG.

When the cartridge holder carrier 52 is moved to a position where the eject mechanism operating lever 152 is moved, the switch pressing piece 98 presses the control switch 99 to stop the carrier feeding motor 90,
The ejection operation of the disc cartridge 1 is completed.

[0111]

The disc cartridge mounting apparatus in the recording and / or reproducing apparatus according to the present invention starts the eject operation of the eject mechanism by the cartridge holder carrier for moving the cartridge holder into which the disc cartridge is inserted and held. Therefore, the disc cartridge is surely ejected in association with the movement of the cartridge holder for holding the disc cartridge, and a stable and reliable ejecting operation of the disc cartridge is realized.

Further, since the eject mechanism for ejecting the disc cartridge from the main body of the apparatus is associated with the mechanism constituting the mounting operation of the disc cartridge and is integrally built in this mechanism, the mechanism is simplified. It will be done.

[Brief description of drawings]

FIG. 1 is a perspective view showing an upper surface side of a disc cartridge applied to a disc cartridge mounting device in a recording and / or reproducing device according to the present invention.

FIG. 2 is a perspective view showing a lower surface side of the disc cartridge.

FIG. 3 is a perspective view from the lower surface side showing the rear surface side of the disk cartridge.

FIG. 4 is a perspective view of an apparatus for mounting a disc cartridge in a recording and / or reproducing apparatus according to the present invention.

FIG. 5 is an exploded perspective view of a disc cartridge mounting device in a recording and / or reproducing device according to the present invention.

FIG. 6 is a plan view of the disc cartridge mounting apparatus according to the present invention in a state where the cartridge holder is moved to the initial position where the disc cartridge can be inserted and removed.

FIG. 7 is a right side view of the disc cartridge mounting apparatus according to the present invention in a state where the cartridge holder is moved to the initial position where the disc cartridge can be inserted and removed.

FIG. 8 is a left side view of the disc cartridge mounting apparatus according to the present invention in a state where the cartridge holder is moved to the initial position where the disc cartridge can be inserted and removed.

FIG. 9 is a cross-sectional view showing a state in which a drive unit support base is displaceably supported by a fixed base.

FIG. 10 is a perspective view showing a carrier feeding mechanism that constitutes a device for mounting a disc cartridge according to the present invention.

FIG. 11 is a perspective view showing a mechanism for integrating the drive unit support base with the fixed base, showing a state in the middle of integration.

FIG. 12 is a perspective view showing a state in which a drive unit support base is integrated with a fixed base.

FIG. 13 is a plan view showing a state in which the disc cartridge is mounted on the disc drive unit.

FIG. 14 is a right side view showing a state in which the disc cartridge is mounted on the disc drive unit.

FIG. 15 is a left side view showing a state in which the disc cartridge is mounted in the disc drive unit.

FIG. 16 is a partial perspective view showing a mechanism for restricting the movement of the cartridge holder carrier.

FIG. 17 is a partial cross-sectional view showing a mechanism that regulates the movement of the cartridge holder carrier.

FIG. 18 is a plan view showing an eject mechanism for ejecting a disc cartridge.

FIG. 19 is a plan view showing a state in which a disc cartridge is mounted on a cartridge holder having an eject mechanism.

FIG. 20 is a plan view showing a state in which the disc cartridge is inserted into the cartridge holder in a proper state.

FIG. 21 is a plan view showing an eject start mechanism that operates an eject mechanism for ejecting a cartridge holder.

FIG. 22 is a plan view showing a state in which the disc cartridge inserted and held in the cartridge holder is ejected.

[Explanation of symbols]

1 Disc Cartridge 9 Shutter Member 21 Fixed Base 22 Disc Rotation Drive Mechanism 25 Drive Part Support Base 26 Disk Drive Part 27 Cartridge Mounting Part 29 Elastic Support Member 51 Cartridge Holder 52 Cartridge Holder Transport Body 58, 59, 60 Support Guide Shaft 62, 63 , 64 Cartridge holder movement guide groove 68, 69, 70 Cam groove 90 Conveyor feeding motor 91 Conveyor feeding mechanism 92 Rack plate 94 Worm gear 101 Leaf spring 103 constituting integrated means 104 Cartridge holder position adjusting mechanism 104 Fixed lever 110 Fixed base Fixed shafts 111 and 112 provided in the shaft 117 shaft engaging groove 117 carrier position regulating plate 121 engaging portion 123 slider member 124 pressing operation portion 125 pressed portion for detecting the insertion position of the disk cartridge 151 eject Starting mechanism 152 Eject mechanism operating lever

Claims (3)

[Claims] 1. A disk drive unit equipped with at least a disk rotation drive mechanism for rotating a disk and arranged in a recording and / or reproducing apparatus main body, and a disk inserted in the recording and / or reproducing apparatus main body. A cartridge holder which holds a cartridge and is movably supported between a position where the disc cartridge is inserted and removed and a position where the disc housed in the disc cartridge is mounted on the disc rotation drive mechanism; The cartridge is movably supported in the recording and / or reproducing apparatus main body in the inserting / removing direction, and by the movement, the cartridge holder is inserted / removed into / from the disk cartridge and the disk stored in the disk cartridge is driven by a disk rotation drive mechanism. Move it to the position where it is attached to A cartridge holder carrier, and a disc cartridge held by the cartridge holder, which is provided on the cartridge holder carrier and is returned to the position direction in which the cartridge holder is inserted into and removed from the cartridge holder. A device for mounting a disc cartridge in a recording and / or reproducing apparatus, which has an ejecting start means for starting an ejecting operation of an ejecting mechanism for ejecting the disc. 2. The eject starting means records and / or records
2. The disc cartridge mounting apparatus in the recording and / or reproducing apparatus according to claim 1, wherein the ejecting operation of the ejecting mechanism is started by contacting a fixed end in the reproducing apparatus main body. 3. The recording and / or reproducing apparatus according to claim 1, wherein the eject mechanism comprises a discharge urging means for accumulating a discharge urging force of the disc cartridge by a disc cartridge inserted into a cartridge holder. Disk cartridge mounting device.