JPH07121968A - Disk loading device - Google Patents

Abstract

PURPOSE:To complete loading operation by performing traveling operation in one direction of a transport mechanism with a single motor. CONSTITUTION:A transport mechanism 126 for withdrawing a disk cartridge 320 horizontally to the side of a disk drive part 174 from a disk stocker 71 moves the disk drive part 174 along with the disk cartridge 320, thus achieving up/down movement via a cam and chucking the disk cartridge 320.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording and / or reproducing apparatus which uses a recording disk as a recording medium, and relates to a disk loading apparatus for mounting the recording disk in a recording and / or reproducing section.

[0002]

2. Description of the Related Art Conventionally, there has been proposed a disc player device which is a recording and / or reproducing device which uses a recording disc as a recording medium and records and / or reproduces an information signal on the recording disc.

Such a disc player device has a disc loading device including a transport mechanism and a movement operation mechanism. That is, in such a disc player device, the recording disc is transported in the horizontal direction by the transport mechanism to the recording and / or reproducing portion where the spindle motor and the optical pickup device are arranged. Then, the recording and / or reproducing unit is vertically moved by a moving operation mechanism.

In this disc player device, the recording disc is recorded and / or recorded by the transport mechanism.
Alternatively, after the recording and / or reproducing unit is moved to the recording disc side after being conveyed to the reproducing unit, the recording and / or reproducing unit chucks the recording disc.

[0005]

In the disk loading apparatus as described above, two motors are required to drive the transport mechanism and the moving operation mechanism, respectively, and therefore the number of parts is reduced. And the size of the device is increased. Further, when the movement operation mechanism is driven, the transport mechanism needs to stop the recording disk at a predetermined position. Therefore, a component for accurately maintaining the timing and position of stopping the recording disk. And a mechanism are required, and the assembly becomes complicated.

Therefore, the present invention is proposed in view of the above-mentioned circumstances, and provides a disk loading device which has a simple structure, is easy to assemble, and can be downsized. The purpose is to

[0007]

In order to solve the above problems and achieve the above objects, a disk loading apparatus according to the present invention comprises a cartridge holder for holding a disk cartridge which is constructed by accommodating a recording disk in a cartridge. A recording and / or reproducing unit for recording and / or reproducing an information signal to / from the recording disc; and a conveying mechanism for conveying the cartridge holder in one direction on the recording and / or reproducing unit side. The mechanism moves the recording and / or reproducing unit in synchronization with the cartridge holder from the middle of the carrying process of the cartridge holder, and moves the recording and / or reproducing unit to the cartridge holder side via the cam means. The disc cartridge held in the cartridge holder to the recording and / or reproducing unit. It is made by wear.

The present invention is also the above-mentioned disc loading apparatus, wherein the transport mechanism further comprises the cartridge holder and the recording and / or reproducing unit after the disc cartridge is mounted on the recording and / or reproducing unit. Is carried in one direction to bring the magnetic head of the recording and / or reproducing section closer to the recording disk of the disk cartridge.

Further, according to the present invention, in the above-mentioned disc loading apparatus, the transport mechanism opens the shutter member of the disc cartridge held by the cartridge holder as the cartridge holder is transported in one direction. It was decided to let.

[0010]

In the disc loading apparatus according to the present invention, the cartridge holder for holding the disc cartridge is used for recording and / or reproducing information signals.
Alternatively, the carrying mechanism for carrying in one direction on the reproducing unit side moves the recording and / or reproducing unit in synchronization with the cartridge holder from the middle of the carrying process of the cartridge holder. Is moved to the cartridge holder side via the cam means, and the disc cartridge held in the cartridge holder is attached to the recording and / or reproducing section. Can be completed.

Further, in the above-mentioned disc loading apparatus, the carrying mechanism further moves the cartridge holder and the recording and / or reproducing unit in one direction after the disc cartridge is mounted in the recording and / or reproducing unit. When the magnetic head of the recording and / or reproducing unit is brought closer to the recording disk of the disk cartridge by carrying, the carrying mechanism moves by one motor in one direction. The loading operation and the switching operation between the recording mode and the reproduction mode can be completed.

Further, in the above-described disc loading apparatus, the transport mechanism opens the shutter member of the disc cartridge held by the cartridge holder as the cartridge holder is transported in one direction. In this case, the transport mechanism is moved in one direction by one motor to perform a loading operation, a switching operation between a recording mode and a reproduction mode, and
The shutter opening / closing operation can be completed.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings. In this example, the disc loading device according to the present invention stores a plurality of disc cartridges each having a recording disc housed in the cartridge, selects one disc cartridge from the disc cartridges, and selects one disc cartridge from the disc cartridges. This is an example applied to a disc changer device for recording and / or reproducing information signals. The disc changer device will be described in the following order.

[1] Configuration of disk cartridge (FIG. 6)
7 to 70) [2] Outline of disk changer device (Figs. 1, 34 to 36) [3] Configuration of lifting device (Figs. 2 to 27) [4] Configuration of mechanical chassis (Figs. 55 to 61) ) [5] Configuration of cartridge holder (FIGS. 28 to 31,
42) [6] Configuration of disc stocker (FIGS. 33, 37 to 41) [7] Configuration of transport mechanism (FIGS. 32, 34, 43 to 54, 62 to 65) [8] Disc Operation of Changer Device [9] Another Example of Configuration of Cartridge Holder (FIG. 66)

[1] Configuration of disk cartridge (FIG. 6)
7 to 70) As a disc cartridge used in this disc changer device, as shown in FIGS. 67 and 69, a recording / reproducing disc cartridge 320 using a magneto-optical disc as a recording disc, and FIGS.
As shown in 0, a read-only disc cartridge 321 using an optical disc as the recording disc is selectively used.

The magneto-optical disk has a diameter of 64, for example.
A signal recording layer made of a magnetic material is adhered and formed on a disk substrate made of a transparent synthetic resin material such as polycarbonate having a thickness of about mm. This signal recording layer is locally heated to a temperature higher than the so-called Curie temperature by means such as irradiation of a focused laser beam, and an external magnetic field is applied to this heated portion to write an information signal. It The information signal written in this way is
The signal recording layer can be read by irradiating a linearly polarized light beam such as a laser beam and detecting the rotation of the polarization direction of the reflected light beam of the light beam in the signal recording layer due to the so-called Kerr effect.

The optical disc is constructed by depositing a reflective layer made of a metal material such as aluminum on a disc substrate similar to the disc substrate of the magneto-optical disc. On the disc substrate of this optical disc, fine pit rows corresponding to the information signals are formed by means such as injection molding. The information signal written on the optical disc is obtained by irradiating the pit train with a coherent light beam such as a laser beam, and detecting a change in the light amount of the reflected beam of this beam due to diffusion or interference in the signal recording layer. Can be read.

The magneto-optical disk and the optical disk are the cartridge 3 as shown in FIGS.
05 and 316 are rotatably housed to form a disk cartridge. The cartridge 305 that houses the magneto-optical disk and constitutes the recording / reproducing disk cartridge 320 has a thin casing shape having a rectangular main surface portion whose one side substantially corresponds to the diameter of the magneto-optical disk. It is configured. As shown in FIG. 67, this cartridge 305 has a magnetic head opening 323 for exposing a part of the signal recording surface of the magneto-optical disk to the outside on the main surface on the upper surface side. Further, as shown in FIG. 69, this cartridge 305 has an optical pickup opening 322 at a position facing the magnetic head opening 323 on the main surface on the lower surface side. Each has a chucking opening 313 in the central portion. This recording / reproducing disc cartridge 320
67 and 69 with respect to the recording and reproducing apparatus.
As indicated by the middle arrow T, it is inserted and attached in the forward direction.

The above-mentioned recording / reproducing disc cartridge 3
In the cartridge 305 of No. 20, the magnetic head opening 323 and the optical pickup opening 322.
Can be opened and closed by the shutter member 306. The shutter member 306 has these openings 323.
A shutter plate portion corresponding to 322 and parallel to each other, and a connecting portion connecting one end sides of these shutter plate portions with each other are made of a synthetic resin material or a metal material.
It is constructed integrally. This shutter member 306 is
The connecting portion is slidably supported by a support groove portion 307 formed on one side of the cartridge 305. That is, the shutter member 306 is slid backward along one side of the cartridge 305 to open the openings 323 and 322, and is slid forward from the rear side to return to the initial position. Then, the shutter plate portions close the openings 323, 322.

The cartridge 316, which constitutes the read-only disc cartridge 321 by accommodating the optical disc, is in the form of a thin casing having a rectangular main surface portion whose one side substantially corresponds to the diameter of the optical disc. It is configured. As shown in FIG. 68, this cartridge 316 does not have an opening in the main surface portion on the upper surface side. As shown in FIG. 70, this cartridge 316 has an optical pickup opening 322 on the main surface on the lower surface side, and a chucking opening 313 on the substantially central portion of the main surface on the lower surface side. There is. This read-only disc cartridge 321 is inserted and mounted in the front direction in the recording and reproducing apparatus as shown by an arrow T in FIGS. 68 and 70.

The reproduction-only disc cartridge 321
In the cartridge 316, the optical pickup opening 322 can be opened and closed by a shutter member 317. The shutter member 317 has a shutter plate portion corresponding to the optical pickup opening 322 and a support portion provided on one end side of the shutter plate portion, and is integrally made of a synthetic resin material or a metal material. Is configured. The shutter member 317 has the support portion slidably supported by a support groove portion 307 formed at one side portion of the cartridge 316. That is,
The shutter member 317 slides backward along one side of the cartridge 316 to open the optical pickup opening 322, and slides forward from the rear side to return to the initial position. The shutter plate section closes the optical pickup opening section 322.

The shutter members 306 and 317 have:
A shutter closing hole 308 is opened at a substantially central position of the connecting portion or the supporting portion toward the side. The shutter closing hole 308 is for engagement with a member for closing the shutter members 306 and 317 in the disc changer device.

A circular chucking hole 304 is formed at the center of the magneto-optical disc and the optical disc. The chucking hole 304 is closed by a chucking plate 302 from the upper surface side. This chucking plate 302 is made of iron or stainless steel,
The chucking hole 30 is made of a magnetic metal material.
4 is formed in a disk shape having a diameter substantially corresponding to 4. These chucking holes 304 and chucking plate 30
2 faces the outside of each of the cartridges 305 and 316 through the chucking opening 313.

Then, the cartridges 305 and 31
A pair of front side and rear side positioning holes 309 and 310 are formed in the lower main surface portion of 6. The front side positioning hole 309 has the opening 322 for the optical pickup.
Is located in the vicinity of the edge of the main surface portion on the front side, and is formed in an oval shape with the major axis direction being the front-rear direction. Also,
The rear side positioning hole 310 is located in the vicinity of the edge of the rear side main surface of the optical pickup opening 322, and is formed in a circular shape.

In addition, each of the cartridges 305 and 316
A plurality of identification holes 324 are formed near the edge portion on the other side of the lower main surface portion rear side. These identification holes 324
Is for identifying the type and state of the disks housed in the cartridges 305 and 316, for example, whether or not information signals can be recorded. In the cartridge 305 of the recording / playback disk cartridge 320, a save notch 314 is provided in the rear side surface portion corresponding to the identification hole 324. This save notch 31
4 is moved and operated to identify the identification hole 324.
One of the two is moved back and forth, and the depth of the identification hole 324 is changed to switch the identification state of the recordability of the information signal. Further, the engaged recessed portion 312 is formed at the edge portion on the other side of the lower main surface portion front side of each of the cartridges 305 and 316.
Are formed.

The above-mentioned recording / reproducing disc cartridge 3
In the No. 20 cartridge 305, a magneto-optical disc identifying recess 311 is formed at the front side edge of the lower main surface portion. In addition, the reproduction-only disc cartridge 32
In the cartridge 316 of No. 1, the optical disk disc identification concave portion 318 is formed at the front side edge portion of the lower main surface portion. The magneto-optical disc identifying concave portion 311 and the optical disc identifying concave portion 318 have different depths from the lower main surface portion. Due to the difference in depth, whether the accommodated disc is the magneto-optical disc or the optical disc. It is designed to be able to identify.

[2] Outline of Disc Changer Device (FIGS. 1, 34 to 36) This disc changer device, as shown in FIG. 1 and FIG. 34 to FIG.
As indicated by an arrow T in FIG. 1, a plurality of cartridge holders 321 that are inserted from the front side and hold the disk cartridges 320 and 321 are held in a stacked manner so that the disk cartridges 320 and 321 are stacked. It has disk stockers 62 and 71 that are stored in the shape of a disk. And this disc changer device
A mechanical chassis 11 for recording and / or reproducing an information signal with respect to the mounted disk cartridges 320, 321 having the optical pickup device 65 and the disk table 64, and the mechanical chassis 11 are opposed to the cartridge holders 70. Each cartridge holder 7 in the opened state
It has an elevating device that moves in the vertical direction over zero. Further, this disc changer device is a transport mechanism 126 which constitutes the disc loading device according to the present invention for moving the cartridge holder 70 facing the mechanical chassis 11 onto the mechanical chassis 11.
have. The transport mechanism 126 is arranged on the mechanical chassis 11. Each disk stocker 6 above
2, 71, the lifting device and the mechanical chassis 11,
It is arranged on the base chassis 10 and housed in the outer casing 74.

In this disc changer device, the control of each motor, each detection switch, the optical pickup device and the magnetic head, which will be described later, and the transmission / reception of information signals to / from these components are performed in response to an operation on an input operation section (not shown). This is performed by a control circuit (not shown) that operates.

[3] Configuration of Lifting Device (FIGS. 2 to 27) The lifting device moves the mechanical chassis 11 on a linear locus within a predetermined range as shown in FIGS. 1 to 5. In the above apparatus, the mechanical chassis 11 is moved in the vertical direction as shown by arrows C and D in FIG. Therefore, the mechanical chassis 11 is urged to move downward due to gravity.

The mechanical chassis 11 has two side edges,
Each has a pair of front and rear copying pins 12, 13, 12, 13. The mechanical chassis 11 is provided on the base chassis 10 of the disc changer device, and is a pair of side wall portions 1, which are parallel to each other and are erected so as to face each other.
It is arranged between two. A pair of front and rear guide slits 8, 9, 8, 9 are formed in each of the side wall portions 1, 2. These guide slits 8 and 9 are linearly formed in the vertical direction. Each of the copying pins 12 and 13,
The reference numerals 12 and 13 are inserted in correspondence with the guide slits 8, 9, 8 and 9, respectively. That is, the mechanical chassis 11 is in a range in which the copying pins 12, 13, 12, 13 are moved within the guide slits 8, 9, 8, 9 as shown by arrows D and C in FIG. , Can be moved vertically.

A pair of left and right first and second cam plates 4, 3, 4 and 3 are attached to the outer side portions of the side walls 1 and 2 so as to be movable in the front-rear direction. There is. As shown in FIGS. 7 and 8, the first cam plate 4 is formed in a substantially flat plate shape, and has support slits 33, 34, and
35 is formed. One of the side wall portions 1 has a structure shown in FIG.
Further, as shown in FIG. 4, the support pins 5,
6 and 7 are projected. These support pins 5, 6, 7
Is inserted through the support slits 33, 34, 35 to support the first cam plate 4 slidably in the front-rear direction. That is, the movable distance of the first cam plate 4 corresponds to the length of each of the support slits 33, 34, 35. Similarly to the one side wall portion 1, the other side wall portion 2 is also provided with support pins 5, 6, and 7, and the first cam plate 4 is moved forward and backward by these support pins 5, 6, 7. It is supported so that it can move in any direction. The first cam plates 4 and 4 have the same shape, and are arranged so that their back surfaces face the side walls 1 and 2, respectively.

A pair of front and rear cam slits 38 and 39 are provided on both sides of each of the first cam plates 4. The cam slits 38 and 39 have the same shape. These cam slits 38, 39 are provided with a plurality of horizontal portions (stop portions) 38a, 38b, 38, respectively.
c, 38d, 38e, 38f, 38g, 38h, 38
i, 39a, 39b, 39c, 39d, 39e, 39
The f, 39g, 39h, and 39i and the inclined portion that sequentially connects these are formed into a substantially lightning bolt shape. That is, the horizontal portions 38a, 38b, 38
c, 38d, 38e, 38f, 38g, 38h, 38i
Are arranged at different height positions, and are arranged in a staggered manner in order from the tallest one.

That is, in the cam slit 38 on the front side, assuming that the horizontal portion 38b having the second height position is the first horizontal portion, a branch point and a first horizontal portion 38b are provided for the first horizontal portion 38b. The first horizontal portion 38a, which is higher than the first horizontal portion 38b and has the first height position, is communicated with each other via the inclined portion. In this case, the horizontal portion 38a having the first height position is the second horizontal portion. Further, with respect to the first horizontal portion 38b, the third horizontal portion 38c whose height position is lower than that of the first horizontal portion 38b is through the branch point and the second inclined portion. Are in communication.
In this case, the horizontal portion 38c whose height position is the third is the third horizontal portion. Other horizontal parts 38c, 38d, 38
Similarly, regarding e, 38f, 38g, and 38h (excluding the horizontal portion 38i having the lowest height position), when these are respectively used as the first horizontal portions, A second communicating with the branch point and the first inclined portion
And a horizontal portion which is a horizontal portion of the second horizontal portion and a horizontal portion which is a third horizontal portion communicated with each other through the branch point and the second inclined portion. The same applies to the rear cam slit 39.

The first cam plates 4 and 4 are provided on the horizontal portion 3 of the cam slits 38 and 39 located on the front side.
8a, 38c, 38e, 38g, 38i, 39a, 39
c, 39e, 39g, 39i are the guide slits 8,
9, the rear side position, that is, the initial position, and the horizontal portions 38b, 38d, 38f, 38h, 39b, 39d, 3 located on the rear side of the respective cam slits 38, 39.
The 9f and 39h are movable to the front side position where the guide slits 8 and 9 are overlapped, that is, the operating position.

As shown in FIG. 6, the second cam plate 3 is formed in a substantially flat plate shape having substantially the same size as that of the first cam plate 4, and the upper side portion of the central portion thereof. Support slits 28, 29, 30 are formed on the lower side portions on both sides. By inserting the support pins 5, 6, and 7 into the support slits 28, 29, and 30 in correspondence with each other,
The second cam plate 3 is supported slidably in the front-rear direction. That is, the movable distance of the second cam plate 3 is
It corresponds to the length of each of the support slits 28, 29, 30. Similarly to the one side wall portion 1, the other side wall portion 2 also supports the second cam plate 3 so as to be movable in the front-rear direction by the support pins 5, 6, and 7. These second cam plates 3 and 3 have the same shape,
The rear surface portions are arranged so as to face the respective side wall portions 1 and 2. These second cam plates 3 and 3 are
The first cam plates 4 and 4 and the side wall parts 1 and 2 respectively.
And is provided so as to be interposed therebetween.

Each of the second cam plates 3 has a pair of front and rear abutting support piece groups 31 and 32 on both sides.
The contact support piece groups 31, 31 are arranged in the second cam plate 3
Are formed in the rear edge portions of the through holes 45 and 46 formed in the. The contact support piece groups 31 and 32 have the same shape. The contact support piece groups 31 and 32 are each composed of a plurality of contact support pieces. Each abutting support piece is integrally supported on the base end side of the main body portion of the second cam plate 3 so as to be supported, and the tip end side thereof serves as a free end and projects into the through holes 45, 46. I am setting it up. That is,
The contact support piece groups 31 and 32 are each formed in a comb tooth shape. The upper edges of the contact support pieces are respectively contact support parts 31a, 31b, 31c,
31d, 31e, 31f, 31g, 31h, 31i, 3
2a, 32b, 32c, 32d, 32e, 32f, 32
g, 32h, 32i. Each of these contact support portions 31a, 31b, 31c, 31d, 31e, 31f,
31g, 31h, 31i, 32a, 32b, 32c, 3
2d, 32e, 32f, 32g, 32h, and 32i are horizontal portions 38a, 38b, 38c, of the first cam plate 4, respectively.
38d, 38e, 38f, 38g, 38h, 39i, 3
9a, 39b, 39c, 39d, 39e, 39f, 39
It corresponds to the height of g, 39h, 39i.

The second cam plates 3 and 3 have the contact support portions 31a, 31b, 31c, 31d, 31e and 31.
f, 31g, 31h, 31i are the guide slits 8,
9, the front side position, that is, the support position, and the contact support portions 31a, 31b, 31c, 31d, 31e, 3
The 1f, 31g, 31h and 31i are movable to a rear side position where the guide slits 8 and 9 are retracted to the rear side, that is, an unsupported position.

A slit 44 for inserting a support shaft 24 of a rotary cam body 25, which will be described later, and a cam groove 27 of the rotary cam body 25 are provided below the central portion of the second cam plate 3. And a copying pin 40 which is engaged with and is copied.

Each of the copying pins 12, 13, 12, 13 described above
Is inserted into each of the guide slits 8, 9, 8 and 9,
Furthermore, the through holes 45 and 4 of the second cam plates 3 and 3 described above.
6, 45, 46 and the respective cam slits 38, 39, 38, 39 of the first cam plates 4, 4 are correspondingly inserted.

The elevating device has a moving operation means. This moving operation means is provided with the side wall parts 1 and 2 described above.
On the other hand, it has a pair of left and right rotating cam bodies 25, 25 rotatably attached via supporting shafts 24, 24, and an elevating motor 14 for rotating these rotating cam bodies 25, 25. Is configured.

The elevating motor 14 is arranged on the base chassis 10. A drive pulley 15 is attached to the drive shaft of the lifting motor 14. An endless drive belt 16 is wound around the drive pulley 15. The endless drive belt 16 is wound around a driven pulley 17 rotatably arranged on the base chassis 10. That is, the driven pulley 17 is rotated by the lifting motor 14. A worm gear 18 is integrally and coaxially attached to the driven pulley 17. The worm gear 18 meshes with a worm wheel 19 mounted on a rotation transmission shaft 20 that is rotatably supported by being inserted between the side wall portions 1 and 2. Both ends of this rotation transmission shaft 20 are
The side walls 1 and 2 are projected to the outer side, and as shown in FIG. 9 and FIG.
21 is attached. These first transmission gears 2
Reference numerals 1 and 21 denote second transmission gears 23 and 2 rotatably attached to the side wall portions 1 and 2 via support shafts 22 and 22, respectively.
It meshes corresponding to 3. This second transmission gear 23,
The reference numeral 23 meshes with a gear portion 43 formed on the outer peripheral edge portion of each of the rotary cam bodies 25, 25. That is, the rotary cam bodies 25, 25 are rotationally driven in the same direction (however, when viewed from the side of the support shaft 24, opposite directions) by the elevation motor 14 being rotationally driven.

In the rotary cam bodies 25, 25, the support shafts 24, 24 are provided in the slits 4 of the second cam plates 3, 3.
The first and second parts are inserted by being inserted into 4, 44.
The cam plates 4, 3, 4, 3 are provided so as to be interposed therebetween. In the rotary cam body 25, a drive pin 26 serving as a first cam portion is planted on a front surface portion facing the back surface portion of the first cam plate 4. This drive pin 26 is
Of the cam plate 4 is inserted into and engaged with a copying slit 36 formed in the vertical direction in the central portion of the cam plate 4. That is, when the rotary cam bodies 25, 25 make one rotation, the first cam plates 4, 4 move back and forth within a range between the initial position and the operating position, as indicated by an arrow A in FIG. Make one round trip in the direction. A recess 37 is formed on the back surface of the first cam plate 4 for avoiding contact with the rotary cam body 25.

The rear surface of each of the rotary cams 25, 25 facing the front surface of the second cam plate 3, 3 is
Cam grooves 27, 27 serving as a second cam portion are formed. The cam grooves 27, 27 are formed to have an oval shape, and have two centrifugal points 180, which are separated from each other,
It is formed with two mesial points which are at an angular position of 90, with respect to these centrifugal points and are separated from each other by 180 ,. The copying pin 40 which is planted on the surface of the second cam plate 3 is engaged with the cam groove 27. That is, the second cam plates 3 and 3 are connected to each other by the rotary cam body 2.
When 5 and 25 rotate once, as shown by arrow B in FIG.
It makes two reciprocating movements in the front-back direction within a range extending from the supporting position to the non-supporting position.

The second cam plate 3 is provided with a pair of fitting holes 41 and 42 at both sides of the slit 44 in which the copying pin 40 can be implanted.
The copying pin 40 is planted in any of the fitting holes 41, 42 depending on which of the side walls 1, 2 the second cam plate 3 is attached to. It is decided whether it will be done. That is, each of the second cam plates 3 and 3 described above.
Have the same shape, and the position of the copying pin 40 is different depending on whether they are attached to one side wall portion 1 or the other side wall portion 2.

Then, each of the first and second cam plates 4,
When the rotary cam bodies 25, 25 are rotationally operated, the rotary cams 3, 4, 3 are periodically reciprocated with a constant phase difference. Regarding the cam plates 3 and 4 attached to the side wall portion 1 on the one side, as shown in FIG. 11, when the rotation direction of the rotary cam body 25 is clockwise, the first cam plate The maximum point of the slide amount of 4 (when moved to the right or left most toward,
Relative to the initial position or the operating position), the maximum point of the sliding amount of the second cam plate 3 (when moved to the right to the right, that is, when the unsupported position). However, the rotation angle of the rotary cam body 25 is 4
There is a phase difference that causes a delay of 5. Also,
Each cam plate 3, 4 attached to the side wall portion 2 on the other side
For the above, as shown in FIG.
When the rotation direction of the first cam plate 4 is counterclockwise, the maximum point of the sliding amount of the first cam plate 4 (when moved to the right or left most, that is, when the initial position or the operating position is reached). ) With respect to the above, the maximum point of the sliding amount of the second cam plate 3 (when moved to the right to the most,
That is, there is a phase difference that causes the rotation angle of the rotary cam body 25 to advance by 45, when it is in the unsupported position.

A push switch 47 for detecting that the first cam plate 4 is in the initial position is attached to the side walls 1 and 2. When the first cam plate 4 is at the initial position, the pressing switch 47 is pressed by the switch pressing pieces 48 and 49 projecting from the lower side of the first cam plate 4, and the first switch 4 is pressed. It is detected that the cam plate 4 is in the initial position. When the first cam plate 4 is not in the initial position, the pressing switch 47 is not pressed. Further, the control circuit can determine the current position of the mechanical chassis 11 by counting the number of times the pressing switch 47 is pressed.

By the way, in the lifting device constructed as described above, as shown in FIG. 14, instead of the rotary cam body 25, the first and second cam gears 51, 51 meshing with each other are provided.
53 can be provided and configured. In this case, the first cam plate 4 is periodically reciprocated by the drive pin 52 embedded in the first cam gear 51.
In addition, the second cam plate 3 is provided with the second cam gear 53.
A reciprocating movement operation is periodically performed by the drive pin 54 implanted in the. The number of teeth of the second cam gear 53 is 1/2 of the fraction of the number of teeth of the first cam gear 51, and the second cam gear 53 is rotated at a half cycle of the first cam gear 51. Therefore,
Also in this case, the operation of each of the cam plates 3 and 4 is the same as the operation of the elevating device configured to have the rotating cam body 25 described above. In this case, since the rotation directions of the first and second cam gears 51 and 53 are opposite to each other, the respective cam plates 3 and 4 are arranged in the first cam gear 51 as shown in FIG. When the rotation direction of 51 is clockwise, the maximum point of the sliding amount of the first cam plate 4 (when moved to the right or left most, that is, the initial position or the operating position is reached). When)
On the other hand, the maximum point of the sliding amount of the second cam plate 3 (when it is moved to the right most toward the right, that is, when it is in the unsupported position) is the rotation angle of the first cam gear 51. There is a phase difference that causes a delay of 45.

As described above, in the elevating device having the first and second cam plates 4 and 3, depending on whether the rotational driving direction of the elevating motor 14 is normal rotation or reverse rotation.
The mechanical chassis 11 can be raised or lowered.

That is, as shown in FIG. 15, the first
When the cam gear 51 of is in the initial state (0, position),
The first cam plate 4 is in the initial position, and the copying pin 12 is the nth horizontal portion 38n of the cam slit 38.
It is located at. Then, the first cam gear 5
1 started to rotate, 30 towards the right, rotated 3
When the position is 0, the second cam plate 3 is in the supporting position, as shown in FIG. That is, the copying pin 12 is supported by the n-th contact support portion 31n. When the first cam gear 51 is in the 60, position, the second cam plate 3 is still in the supporting position as shown in FIG.
Although 2 is located at the branch point of the cam slit 38, it is supported by the n-th contact support portion 31n and does not move downward.

When the first cam gear 51 is in the 90, position, the second cam plate 3 is about to move from the supporting position to the non-supporting position as shown in FIG. The pin 12 has the cam slit 38
It is about to reach the first inclined portion after passing through the branch point. When the first cam gear 51 is in the 120, position, as shown in FIG. 19, the second cam plate 3 is in the unsupported position, but the copying pin 12 is
It has already passed the branch point of the cam slit 38 and is supported on the first inclined portion. The first cam gear 51 is 1
20, the copying pin 12 is located at the second horizontal portion (38 (n-1)) when the horizontal portion 38n is the first horizontal portion, as shown in FIG. is doing.

Then, as shown in FIG. 21, when the first cam gear 51 is in the 180, position, the first cam plate 4 is in the operating position, and the copying pin 12 is supported by the horizontal portion. There is. When the first cam gear 51 further rotates to the 210, position, the second cam plate 3 becomes the supporting position as shown in FIG. That is, the copying pin 12 is supported by the contact support portion. When the first cam gear 51 is in the 240, position, the second cam plate 3 is still in the supporting position as shown in FIG. 23, and the copying pin 12 is in the cam slit. Although it is located at the branch point of 38, it does not move downward due to being supported by the contact support portion.

When the first cam gear 51 is in the 270, position, as shown in FIG. 24, the second cam plate 3 is about to move from the supporting position to the non-supporting position. The pin 12 is the cam slit 3 described above.
It is about to reach the sloping part after passing through the branch point of 8. When the first cam gear 51 is in the 300, position, as shown in FIG. 25, the second cam plate 3 is in the unsupported position, but the copying pin 12 has the cam slit 38. It has already passed the fork and is supported on the slope. When the first cam gear 51 reaches the 330, position, the copying pin 12 is located near the horizontal portion, as shown in FIG. First above
When the cam gear 51 of No. 3 is further rotated by 30, and returns to the 360 position, that is, the 0 position, as shown in FIG. 27, the first cam plate 4 becomes the initial position, and the copying pin 12 It is located at the (n-2) th horizontal portion 38 (n-2) of the cam slit 38.

That is, since the first cam gear 51 makes one full turn in the clockwise direction (forward direction), the copying pin 12 moves from the nth horizontal portion 38n of the cam slit 38 to the horizontal portion 38n. Horizontal part immediately above
Moved to (n-2). In this way, the mechanical chassis 11 is sequentially moved upward by the first cam gear 51 continuing to rotate in the forward direction.

When the first cam gear 51 is rotated in the reverse direction, the process shown in FIG. 27 from FIG. 15 is reversed, that is, the copying pin 1 shown in FIG. 27.
2 is located in the horizontal portion 38 (n-2), as shown in FIG.
When the copying pin 12 shown in FIG. 5 reaches the state of being located in the horizontal portion 38n, the mechanical chassis 11 is moved downward. Therefore, the first cam gear 51
Is continuously rotated in the opposite direction, the mechanical chassis 11 is sequentially moved downward.

In the lifting device, the mechanical chassis 11 is moved and urged in one direction by the action of the urging force or magnetic force of an elastic member such as a spring, so that the mechanical chassis 11 is urged as described above. The present invention is not limited to the device for operating the chassis 11 up and down, and may be configured as a device for operating the mechanical chassis 11 in a lateral direction or an oblique direction.
That is, in the above-described configuration of the elevating device, by urging the mechanical chassis 11 to move downward, the elevating device causes the mechanical chassis 11 to move the mechanical chassis 11 to the elevating motor 14 even when it is laid sideways. It is possible to reliably perform a moving operation in a predetermined direction according to the rotation direction of the.

[4] Structure of mechanical chassis (FIGS. 55 to 61) Mechanical chassis 11 which is vertically moved by the lifting device.
As shown in FIG. 55 to FIG. 61, has a disk drive section 174 formed in a substantially flat plate shape and serving as a recording and / or reproducing section in the front side portion.

The disk drive unit 174 has a rectangular chassis having substantially the same size as the disk cartridges 320 and 321, and a disk table 64 into which the chucking hole 304 of the recording disk is fitted, and Writing an information signal to the recording disk and / or
Alternatively, it is configured to include an optical pickup device 65 for reading. The chassis portion of the disk drive portion 174 has a pair of front and rear support pins 193, 193, 194, 194 that form cam means on both sides, and via these support pins 193, 193, 194, 194. The pair of left and right support pieces 1 of the mechanical chassis 11
It is supported by 84 and 184. Each supporting piece 1
The support pins 193, 193, and 1 are attached to 84 and 184, respectively.
A pair of front and rear inclined slits 195, 195, 19 forming the cam means, through which 94, 194 are inserted correspondingly.
6,196 are formed. These inclined slits 19
5, 195, 196, and 196 are inclined so that the rear portion is located above the front portion. That is, the disk drive unit 174 is located at the front side position with respect to the mechanical chassis 11, so that the disk drive unit 174 is at the release position in which the mechanical chassis 11 is lowered as shown in FIGS. 55 and 57. By being moved to the rear side position with respect to the mechanical chassis 11, as shown in FIGS. 56 and 58, the chucking position is raised to the mechanical chassis 11.

The above-mentioned disk drive unit 174
The movement to the rear side is performed by the transport mechanism 126 described later. The disk drive portion 174 is provided with a tension coil spring 2 stretched between the disk drive portion 174 and the mechanical chassis 11.
It is urged to move forward by 13. The disk drive section 174 is supported by the mechanical chassis 11 via a plurality of dampers 197 and 198.

In the optical pickup device 65, a light source such as a semiconductor laser, an optical device for guiding a light beam from this light source, an objective lens 189 for condensing and emitting the light beam, and the objective lens 189 are provided in the optical block section. A photodetector or the like for detecting the returning light flux is built in. The disc table 64 is formed in a substantially disc shape, and has a truncated cone-shaped projection portion fitted in the chucking hole 304 at the center of the upper surface portion. In this protrusion,
A magnet for attracting the chucking plate 302 is built in.

The disk table 64 is located substantially at the center of the chassis portion of the disk drive portion 174, and is rotated by a spindle motor attached to the lower surface portion of the chassis portion. The optical pickup device 65 is disposed on the lower surface side of the chassis portion of the disc drive portion, and the emission direction of the light flux from the objective lens 189 is directed upward through a through hole 67 formed in the chassis portion. I am facing. The optical pickup device 65 is located on the side of the disc table 64, and can be moved along the chassis portion in a contacting / separating direction with respect to the disc table 64.

On the chassis portion of the disk drive portion 174, the positioning pins 66, which are generally located at the four corners,
66, 66, 66 are projected. When the disk cartridges 320 and 321 are mounted and mounted on the chassis part, the positioning pins 66, 66, 66, and 66 that are positioned in front of and behind the optical pickup device 65 are the front side and the rear side. Side positioning holes 309, 31
The disc cartridge 320,
321 is positioned. At this time, the recording disk has the projection of the disk table 64 fitted into the chucking hole 304, and the chucking plate 3
The magnet 02 is attracted to the magnet to be positioned and held. Also, this disk drive unit 1
A detection switch for detecting the depth of the identification hole 324 is provided on the chassis portion 74.

A magnetic head 192 is attached to the optical pickup device 65 via a head arm 188. The head arm 188 is rotatably supported on the base end side with respect to the optical pickup device 65 via a support shaft 190, and has the magnetic head 192 attached to the tip end side via a gimbal spring on the objective side. The lens 189 is movable in the contacting / separating direction. The head arm 188 is urged by a urging spring wound around the support shaft 190 so as to rotate the magnetic head 192 in an upward direction away from the objective lens 189. A contact piece 212 is attached to the head arm 188 at the base end side portion. This contact piece 212
As shown in FIG. 58, the disk drive portion 174, which is in the chucking position, is moved to the rearward position in the rear side, so that, as shown in FIG. The head arm 188 by contacting the contact member 211 arranged in
The magnetic head 192 is rotated in the direction of moving it downward. In this disc changer device, the reproduction mode is executed when the disc drive unit 174 is in the chucking position, and the recording mode is executed when the disc drive unit 174 is in the recording position. In this recording mode, the magnetic head 192 enters the cartridge 305 through the magnetic head opening 323 and is brought into sliding contact with the magneto-optical disk.

[5] Structure of cartridge holder (FIG. 28)
31 to 42) In this disc changer device, the disc cartridges 320 and 321 are inserted into a plurality of cartridge holders 70 supported by disc stockers 62 and 71, which will be described later.

The cartridge holder 70, as shown in FIGS.
It has a holding plate 75 for holding 20, 321. The hold plate 75 is formed in a substantially rectangular flat plate shape corresponding to each of the disc cartridges 320 and 321, and both side portions are bent downward.
Both sides of the hold plate 75 bent downward are
Further, the left and right cartridge holding portions 96 and 97 are bent to the inner side facing each other. The disk cartridges 320 and 321 are provided with a main plate portion of the hold plate 75 and the cartridge holding portions 96 and 87.
It is inserted from the front side between and and is held by this hold plate 75. In addition, the one side bent downward of the hold plate 75 is directed toward the inner side, and the projecting piece 1 for preventing erroneous insertion is provided.
02 is projected. This misinsertion preventing projection 103
Holds the disc cartridge 3 on the hold plate 75.
When the discs 20 and 321 are inserted in the proper direction, the disc cartridges 320 and 321 are inserted into the erroneous insertion preventing grooves, and the hold plate 75 is inserted into the disc cartridges 320 and 321 in the erroneous direction. At the time of insertion, the insertion of the disk cartridges 320 and 321 is blocked.

A pair of front and rear support pins 98, 100, 99, 101 are provided on both side portions of the hold plate 75, which are bent downward, toward both sides. The cartridge holder 70 has the support pins 9
It is supported by disk stockers 62, 71 described later via 8, 100, 99, 101.

A slider 105 is mounted on the upper surface of the hold plate 75 so as to be slidable in the front-rear direction. The slider 105 is formed as a substantially triangular flat plate and has a pair of front and rear slits 106 and 107. This slider 105 has the above-mentioned slits 10
The support shafts 103 and 104, which are planted on the upper surface of the hold plate 75, are inserted through the shafts 6 and 107, respectively, so that they can be moved in the front-rear direction.

The slider 105 has a tongue portion 108 which is bent downward at the rear edge. The tongue piece portion 108 is hung below the main plate portion of the hold plate 75 via a notch 76 formed in the rear edge side portion of the hold plate 75, and is held by the hold plate 75. It faces the front end faces of 320 and 321. Further, the slider 105 has one side portion bent downward along one side of the hold plate 75, and has a leaf spring member 111 attached to the bent portion. The leaf spring member 111 has its front end side fixed to the slider 105 and its rear end side a free end.
A fitting member 112 is attached to the rear end side of the leaf spring member 111. The fitting member 112 is inserted inward from the bent portion on one side of the hold plate 75, and is fitted in the engaged recess 312 of the disc cartridge 320, 321 held by the hold plate 75. Insert and engage.

Further, in the main plate portion of the hold plate 75,
A through hole 77 is formed at a position corresponding to the magnetic head opening 323.

A side plate 125 is attached to one side edge of the hold plate 75 so as to be slidable in the front-rear direction. The side plate 125 includes a pair of front and rear slits 1.
The engaging pin 1 which has the slits 113 and 116 and which is provided on the front side slit 113 so as to project to one side from the slider 105.
10 is inserted, and the support pin 100 provided on the rear side of the holding plate 75 on one side of the rear slit 116.
It is made slidable in the front-back direction by inserting.

The slider 105 includes the slits 1
The slidable range is defined by the lengths of 05 and 106. The side plate 125 has a slidable range relative to the slider 105 defined by the length of the front slit 113. That is, the side plate 125 is slidable with respect to the hold plate 75 within a range in which the slidable range of the slider 105 with respect to the hold plate 75 and the slidable range of the side plate 125 with respect to the slider 105 are added. Has become.

On the slider 105, the engaging pin 1 is attached.
Located on the direction 10 side, a spring retaining piece 109 is provided so as to project toward one side. The spring retaining piece 109 is inserted into a through hole 114 formed in the side plate 125 on the rear side of the front slit 113. A tension coil spring 115 is stretched between the spring retaining piece 109 and the front edge 121 of the through hole 114. That is, the slider 105 is urged to move forward with respect to the side plate 125 as indicated by an arrow L in FIG. The side plate 125 is the side plate 12
5 and a spring retaining piece 1 provided on one side of the rear edge of the hold plate 75.
As shown by an arrow M in FIG. 28, a tension coil spring 124 stretched between the holding plate 75 and the coil 23 urges the holding plate 75 to move rearward.

The rear end side portion of the side plate 125 projects rearward from the rear end edge of the hold plate 75. An engaging hole 117 is formed in a rear end portion of the side plate 125 for engaging a movement operation means described later. The engagement hole 117 communicates with the rear portion of the rear slit 116. A hooked pin 118 is provided on the rear end of the side plate 125 so as to extend toward one side.

A lock arm 88 is attached to the other side of the hold plate 75. This lock arm 8
A rear end 8 is rotatably supported by a rear portion of the other side of the hold plate 75 via a support shaft 87, and has a front end as a free end. The lock arm 88 is provided with a tension coil spring 85 stretched between a spring retaining portion 86 at a substantially midway portion and a spring retaining portion 84 provided at substantially the center of the main plate portion of the hold plate 75. As shown by an arrow J in FIG. 28, the front end side is rotationally biased in a direction of pressing the holding plate 75. A shutter opening cover projection 89 and a shutter closing projection 90 are formed on the side surface of the lock arm 88 on the side in contact with the hold plate 75, that is, on the inner side.
Is projected. The shutter opening projection 89 and the shutter closing projection 90 are inserted inward through a through hole provided in the other side portion bent downward of the hold plate 75. Further, on the outer side of the lock arm 88, there is provided a lock recess 92 which is locked in a disc stocker 62 described later. A taper portion 91 inclined forward is provided on the front end side of the lock arm 88.

On the hold plate 75, an interlocking arm 79 is rotatably supported at a substantially central portion through a support shaft 78.
Is provided. The interlocking arm 79 has one end located on the front side of the side plate 125 and the other end facing the taper portion 91 on the front end side of the lock arm 88. The side plate 125 is provided on one end side of the interlocking arm 79.
The contact pin 120 with which the front end part of the is contacted is planted. Further, on the other end side of the interlocking arm 79, a sliding contact pin 93 that slidably contacts the tapered portion 91 is planted downward. The interlocking arm 79 has slits 82, 83 formed in an arc shape around the support shaft 78 at one end side portion and the other end side portion.
3, the regulation pin 80 planted on the hold plate 75,
By allowing 81 to be inserted, the rotatable angle range is defined. The interlocking arm 79 has the sliding contact pin 93.
As shown by an arrow G in FIG. 28, the corresponding contact pin 93 is fixed by the tension coil spring 94 stretched between the spring retaining portion 95 provided on the front side of the other side portion of the hold plate 75. It is urged to rotate in the direction of moving it to the front side.

The interlocking arm 79 is used for the slider 10
When the 5 and the side plate 125 are slid forward as shown by an arrow O in FIG. 31, the contact pin 120 is pressed by the front end of the side plate 125, as shown by an arrow P in FIG. Then, the lock arm 88 is rotated against the biasing force of the tension coil spring 94, and the sliding contact pin 93 is brought into sliding contact with the taper portion 91, so that the lock arm 88 is moved as shown by an arrow Q in FIG. The tension coil spring 85 is rotated outwardly against the biasing force of the tension coil spring 85.

This cartridge holder 70, as shown in FIG. 29, when no external force is applied,
The side plate 125 and the slider 105 are located on the rear side, and the interlocking arm 79 and the lock arm 88 are rotated by the biasing forces of the tension coil springs 94 and 85, respectively.

[6] Structure of disk stocker (FIG. 33,
As shown in FIG. 33, the disk stockers 62, 71 are each formed in a substantially flat plate shape, and are located on the front side of the base chassis 10, that is, the mechanical chassis 11
Are erected at side positions on both sides of the front side of the tongue in the form of side walls facing each other. These disk stockers 62,
The distance between 71 corresponds to the lateral width of the cartridge holder 70. These disk stockers 62, 71 are
The surface of the cartridge holder 7 facing each other is
It has a plurality of support grooves 165, 167 into which the respective support pins 99, 101, 98, 100 of 0 are fitted. The support grooves 165 and 167 are horizontally formed so as to face each other at the same height position, and a plurality of support grooves are arranged in the vertical direction. These support grooves 165 and 167 are provided in the disk stockers 62 and 71, respectively.
Is formed from the front end side to the rear end side, the front end side is closed by the front wall portion, and the rear end side is open toward the rear side.

The cartridge holder 70 has the support pins 99, 101, 9 in the support grooves 165, 167.
8, 100 is inserted into each of the disc stockers 62,
A plurality of disc stockers 62 and 71 are stacked and supported in a laminated manner so that they can be extended between 71. The disk stocker 62 facing the other side of the cartridge holder 70, that is, the side where the lock arm 88 is provided, has a plurality of groove portions 164 facing the lock arm 88 at positions above the support grooves 165. Have As shown in FIG. 38, the cartridge holder 70 is located in the groove 164 at the front side position between the disk stockers 62 and 71, and the lock arm 88 is rotated in the direction away from the cartridge holder 70. A latching piece 166 is provided which engages with the lock recess 92 and latches the cartridge holder 70 when the cartridge is held.

One side of each cartridge holder 70,
That is, the lock plate 72 is provided on the outer surface of the disk stocker 71 facing the side to which the side plate 125 is attached.
Are attached by screws 172 and 172. These screws 172 and 172 are inserted into screw insertion holes 171 and 171 formed in the front portion of the lock plate 72, and correspond to screw holes 173 and 173 provided on the outer side surface of the disc stocker 71. Have been screwed in. The lock plate 72 is formed of a material having elasticity such as a metal plate into a leaf spring shape. The lock plate 72 is divided into a plurality of strip-shaped pieces 168 having the front side portion continuously provided by forming a plurality of parallel slits extending from the rear edge portion to the front side portion. The lock plate 72 includes the strip-shaped piece portions 168 and the support grooves 167.
And is attached to the disc stocker 71. Each of the strip-shaped piece portions 168 has a rear end side portion which is a taper portion 169 bent outward by about 30 to 40 degrees. These strip-shaped pieces 168 are
The taper portion 169 is projected to the rear side of the disc stocker 71. In addition, each strip-shaped piece 168 described above.
A lock hole 170 is formed on each of the rear end sides. These lock holes 170 are provided in the disk stocker 7 described above.
1 is located on the rear side of the rear edge.

When the cartridge holder 70 is located on the front side between the disc stockers 62 and 71 and the side plate 125 is slid forward, the side plate 125 is as shown in FIGS. 37 and 38. Then, the locked pin 118 is inserted into and engaged with the lock hole 170 so that the locked pin 118 is held at the front position. The hooked pin 1
Reference numeral 18 has a reduced diameter portion 119 in the middle thereof, and by fitting the front edge portion of the lock hole 170 into this reduced diameter portion 119, falling off from the lock hole 170 is prevented. As described above, the hooked pin 118 inserted and engaged with the lock hole 170 moves the side plate 125 further to the front side, and the reduced diameter portion 11 at the front edge of the lock hole 170.
After the insertion into the slot 9 is released, the strip-shaped piece 168 is elastically displaced to the outer side away from the side plate 125, and is removed from the lock hole 170. Such movement of the side plate 125 to the front side and the strip-shaped piece 1
Displacement of 68 to the outside is performed by a transport mechanism 126 described later.

In the disk stockers 62 and 71, the cartridge holder 70 has the side plate 125 on the front side when the hooked pin 118 is inserted into the lock hole 170 as shown in FIG. By being held at the position, the front end portion of the side plate 125 is held at the front side position, and the contact pin 120 has the front end portion.
When the interlocking arm 79 is rotated and the lock arm 88 is rotated outward, the lock recess 92 is locked by the locking piece 166 and is held at the front position. It

As described above, the disk stockers 62, 7
Cartridge holder 70 held at the front position between the two
39, as shown in FIG.
When 20, 321 is inserted from the front side, as shown in FIG. 40, the fitting member 112 is pressed by the front end portion of the disc cartridge 320, 321, and the leaf spring member 111 is displaced outward. . The disk cartridges 320 and 321 are the same as the disk cartridge 32.
The front ends of the sliders 0 and 321 are the tongue pieces 10 of the slider 105.
When the fitting member 112 is inserted to a predetermined position where it abuts on the contact member 8, the fitting member 112 is fitted into and engaged with the engaged recess 312 by the elastic force of the leaf spring member 111. The fitting member 112
As shown in FIG. 42, it is possible to move outward through a cutout portion 183 provided on the side plate 125, and in the direction from the front end edge of the cutout portion 183. The protruding holding piece 182 restricts the movement distance to the outside.

At this time, the lid opening projection 89 of the lock arm 88 is located at a position facing the front position of the front end of the shutter members 306 and 317, and is disposed in the disk cartridges 320 and 321. A lock member 325 that holds the shutter members 306 and 317 in a closed state.
On the other hand, they are opposed to each other via the support groove portion 307. Further, the shutter closing lid projection 90 faces the shutter closing hole 308. That is, in this state, when the lock arm 88 is rotated toward the cartridge holder 70, the lock arm 88 causes the lid opening protrusion 8 to move.
9 into the support groove portion 307 to lock the lock member 3
25 is displaced so as to be in a locked state, the opening lid projection 89 is positioned in front of the front end portions of the shutter members 306 and 317, the shutter closing lid projection 90 is inserted into the shutter closing hole 308, and , The lock recess 92
The engagement by the engagement piece 166 is released.

[7] Structure of the transport mechanism (FIGS. 32 and 34,
43 to 54, FIG. 62 to FIG. 65) As shown in FIG. 32 and FIG. 34, the transport mechanism 126 is arranged on the mechanical chassis 11 and is movable in the front-rear direction. have. The base portion 126a is moved in the front-rear direction along the guide shafts 130, 129 by a pair of guide shafts 130, 129 arranged in parallel with each other on the mechanical chassis 11 and extending in the front-rear direction. It is possible. As shown in FIG. 62, the base portion 126a is
The thrust bearing 128, into which one guide shaft 130 is inserted, is attached to one side portion, and the gripping member 1 supported to the other guide shaft 129 to the other side portion.
27 is attached. The base portion 126a is supported by the guide shafts 130 and 129 via the thrust bearing 128 and the grip member 127.

The front and rear pulleys 133 and 131, the first and second transmission gears 132 and 134, and the pinned gear 135 are rotatably arranged on the base 126a. . These front and rear pulleys 133 and 131, the first and second transmission gears 132 and 1
34 and the gear 135 with a pin are respectively the base 12
6a is supported via rotary support shafts 144, 142, 143, 145, 146 which are planted on the base 126a. As shown in FIG. 63, the pinned gear 135 has an operation pin 136 protruding from the lower surface thereof. The operation pin 136 is inserted through the arcuate slit 210 formed in the base portion 126a, and the base portion 12
It hangs on the lower side of 6a.

On the mechanical chassis 11, the front end side and the rear end side of the mechanical chassis 11 are
Further, an endless timing belt 137 is arranged via the base 126a. That is, the timing belt 137 has a front gear 160 rotatably supported on the front end side of the mechanical chassis 11 via a rotation support shaft 161, and a rotation gear shaft 163 on the rear end side of the mechanical chassis 11. It is wound around a rear gear 162 that is rotatably supported. The timing belt 137 is wound around the first transmission gear 132 from the front gear 160 via the front pulley 133, and passes through the rear pulley 131 to the rear gear 162.
It is designed to return to.

The rear gear 162 is rotated by a movement operation motor 181 arranged on the mechanical chassis 11. That is, the drive pulley 180 is attached to the drive shaft of the movement operation motor 181. An endless drive belt 179 is wound around the drive pulley 180 between the drive pulley 180 and a first transmission pulley 178 rotatably arranged on the rear side of the mechanical chassis 11. The first transmission pulley 178 includes a second transmission pulley 17
7 is integrally mounted coaxially. Between the second transmission pulley 177 and a third transmission pulley 175 coaxially attached to the rear gear 162,
An endless drive belt 176 is looped around.

A hold arm 141 and a switching arm 140 are rotatably attached to the lower surface of the base 126a. The switching arm 140 is formed in a substantially T-shaped flat plate shape in which an operation arm portion 150 is projected from a side portion of a strip-shaped main body portion, and one end side of the main body portion is provided with a support shaft 147. It is rotatably supported with respect to the base 126a through the above. A side edge portion on the front end side of the operation arm portion 150 is bent and formed as an operation portion 151. The cam slit 14 into which the operation pin 136 is inserted is provided in the middle of the main body of the switching arm 140.
8 is formed. Also, this switching arm 1
A holding recess 149 for holding the side plate 125 in cooperation with a holding arm 141, which will be described later, is formed on the other end portion of the body portion 40.

On the lower surface of the base portion 126a, the pusher 139 is provided on the operation portion 151 of the switching arm 140.
And a pressing switch 138 is attached so as to face each other. The push switch 138 is for detecting the completion of the operation of moving the base portion 126a to the front side.

The hold arm 141 is formed in the shape of a fan-shaped flat plate having an opening angle of about 30 degrees, and the base end side portion corresponding to the essential part of the fan is supported by the support shaft 152. Is rotatably attached to the base portion 126a. At the tip side of the hold arm 141,
Cam slit 1 through which the operation pin 136 is inserted
53, a holding claw 156 having a hook-shaped projection 155 on the side engaged with the engaging hole 117 of the side plate 125, and a contact claw for displacing the strip-shaped piece 168 of the lock plate 72 to the outer side. The portion 154 and the copying roller 157 are formed so as to be arranged in a fan-shaped peripheral portion.

The copying roller 157 is shown in FIGS.
As shown in FIG. 4, the cam groove 158 provided on the mechanical chassis 11 is fitted and engaged. This cam groove 158
Are formed in a straight line parallel to the guide shafts 130 and 129, and only the front end side portion has the hook-like protrusion 155.
A bent portion 159 is bent to the side in an arc shape.
When the base portion 126a is at the front side position, the hold arm 141 can be rotated within a range in which the copying roller 157 is moved in the bending portion 159, as shown in FIGS. 51 to 53. The base 126
When a is moved backward, as shown in FIG.
The hook-shaped projection 155 is held at the position rotated to the side of retracting.

In the transport mechanism 126, the pin gear 135 rotates the switching arm 140 and the hold arm 141 via the operation pin 136.

In the initial state, as shown in FIGS. 43 and 51, the base 126a is located on the front side,
The switching arm 140 is rotated in the direction of pressing the pressing switch 138 by the operation portion 151, and the hold arm 141 is rotated in the direction of retracting the hook-shaped projection 155. In this state, the hold recess 14 of the switching arm 140 is
9 is located on the rear side of the rear end of the side plate 125.
The contact claw portion 154 and the hook-shaped protrusion 155 are positioned on both sides of the rear end portion of the side plate 125 without contacting the side plate 125. The contact claw portion 154 is inserted between the rear end side portion of the side plate 125 and the taper portion 169 of the strip-shaped piece portion 168. Therefore, at this time, the transport mechanism 12
Since 6 does not contact the cartridge holder 70 and the disk stocker 71, it does not interfere with the lifting operation of the mechanical chassis 11 by the lifting device. That is, it is possible to select one cartridge holder 70 from the plurality of cartridge holders 70 as the one facing the mechanical chassis 11 by moving the mechanical chassis 11 up and down by the lifting device.

At this time, the moving operation motor 1
When 81 is driven to rotate, the timing belt 137
However, the feeding operation is performed in a direction in which the base portion 126a is moved backward, that is, in a direction in which the portion wound around the pulleys 133 and 131 is fed backward. At this time, since the copying roller 157 is fitted in the bent portion 159 of the cam groove 158, the base portion 126a is prevented from moving rearward. Therefore, the timing belt 137 is provided with the first and second transmission gears 132, 1
The pin-equipped gear 135 is rotated via 34. By rotating the gear 135 with pins, first, as shown in FIGS. 44 and 52, the switching arm 140 is rotated, and the switching arm 140 is
The pressing operation on the pressing switch 138 by the operating section 151 is released. In addition, this switching arm 14
By rotating 0, the holding recess 149 is rotated.
The rear end of the side plate 125 is pressed by the base of the.
The side plate 125 is moved slightly to the front side to separate the reduced diameter portion 119 of the hooked pin 118 from the rear edge portion of the lock hole 170.

Further, when the movement operating motor 181 is rotationally driven and the timing belt 137 is fed, as shown in FIG. 45 and FIG.
Accordingly, the hold arm 141 causes the hook-shaped protrusion 1 to move.
It is rotated in a direction in which 55 is advanced to the side plate 125 side. Then, the hook-shaped protrusion 155 is provided with the engaging hole 117.
, And cooperates with the hold recess 149 to hold the rear end side portion of the side plate 125. The hold arm 141 thus rotated presses the inner side surface portion of the strip-shaped piece portion 168 by the contact claw portion 154 to displace the strip-shaped piece portion 168 to the outer side and thereby the lock hole. 17
The hooked pin 118 is pulled out from 0.
In addition, as the hold arm 141 is rotated in this manner, the copying roller 157 is moved to the bent portion 1.
59 to the rear end side, that is, the front end of the linear portion of the cam groove 158. Therefore, at this time, the transport mechanism 126 can be moved to the rear side.

When the moving operation motor 181 is further driven to rotate, the base portion 126a starts moving to the rear side, as shown in FIG. When the base portion 126a starts moving to the rear side in this way, the copying roller 157 is moved along the straight line portion of the cam groove 158 and is rotated to return to the initial position of the hold arm 141, that is, , The rotation for retracting the hook-shaped projection 155 is prevented. Then, in the cartridge holder 70, only the side plate 125 is moved to the rear side while the hold plate 75 is stopped. Therefore, the rotation of the side plate 125 with respect to the interlocking arm 79 is released, and the interlocking arm 79 is pivoted to the initial position by the urging force of the tension coil spring 94. Therefore, the lock arm 88 is rotated to the initial position along the other side of the hold plate 75 by the urging force of the tension coil spring 85, and the lock recess 92 releases the engagement with the engagement piece 166. Therefore, at this time, the opening projection 89
Enters the support groove portion 307, and the shutter closing lid projection 90 enters the shutter closing hole 308. Further, at this time, since the hold plate 75 is biased to the front side by the biasing force of the tension coil spring 124 stretched between the hold plate 75 and the side plate 125, the hold plate 75 is still forward in the disk stockers 62 and 71. It remains in the side position.

When the transport mechanism 126 is further moved to the rear side, as shown in FIG. 47, the slider 105 is moved to the rear side with the movement of the side plate 125 to the rear side. By the movement of the slider 105 to the rear side, the disk cartridges 320 and 321 are linked to the slider 105 by the fitting engagement of the fitting member 112 into the engagement recessed portion 312. And is moved rearward in the hold plate 75. Therefore, at this time, the shutter member 3
06 and 317 are operated to open the lid by staying at the position where the front end portion is in contact with the opening projection 89.

When the side plate 125 reaches the initial position, which is the rear side position with respect to the hold plate 75, and the transport mechanism 126 is further moved to the rear side, FIG. 48 and FIG.
As shown in 0, the cartridge holder 70 is pulled out from between the disc stockers 62 and 71 and starts to move rearward.

The cartridge holder 70 is
The disk drive is pulled out from between the disk stockers 62 and 71, moved, and comes into contact with the disk drive section 174 when it reaches above the disk drive section 174, and moves to the rear side together with the disk drive section 174. . When the transport mechanism 126 reaches the first rear position,
As shown in FIGS. 49 and 54, the mechanical chassis 11
The first detection switch 185 arranged above detects that the first rear position has been reached. At this time, the disk drive unit 174 is in the chucking position. In addition, the cartridge holder 70
57, the support pins 98, 100, 99, 101 are supported by support members 200, 200 arranged on both sides of the mechanical chassis 11, as shown in FIG. These supporting members 200, 200 have supporting grooves 199, 199 similar to the above-mentioned supporting grooves 165, 167 on the side surface portions on the opposite sides. These support members 2
The support grooves 00, 200 are located on the extension line to the rear side of the support grooves 165, 167 supporting the cartridge holder 70 selected by the lifting operation of the mechanical chassis 11. That is, the disc stockers 62, 71
The support pins 98, 100, 99, 101 of the cartridge holder 70 pulled out further rearward are inserted into the support grooves 199, 199 of the support members 200, 200 from the front end side.

Thus, the disk drive unit 1
The cartridge holder 70 conveyed along with 74 drives the disc drive unit 174 to the chucking position shown in FIG. Is chucked by.

When the cartridge holder 70 is further moved to the rear side, the cartridge holder 7
0 moves to the rear side together with the disk drive unit 174. When the transport mechanism 126 reaches a second rear position further rearward than the first rear position, the second detection switch 1 disposed on the mechanical chassis 11 is reached.
It is detected by 86 that the second rear position has been reached. At this time, the disk drive unit 174 is in the recording position.

In this way, the disk drive unit 1
The cartridge holder 70 conveyed along with 74 is moved to the above-mentioned REC position shown in FIG. The magnetic head 192 is slidably contacted.

In order to return the disk cartridges 320, 321 chucked by the disk drive section 174 to the disk stockers 62, 71, first, the moving operation motor 181 is operated, and the cartridge holder 70 is operated by the disk stocker 62. , 71 is driven to rotate in the direction opposite to the rotation direction in the pulling operation. Then, the transport mechanism 126 located at the rear position shown in FIG.
Starts moving to the front side, and the cartridge holder 7
0 is moved to the front side, and the disk drive unit 174
57 by the urging force of the tension coil spring 213.
It is returned to the release position shown in. The cartridge holder 70 includes the support groove 1 of the support members 200, 200.
It moves to the front side along 99 and 199, and as shown in FIG. 48, enters between the disk stockers 62 and 71. Then, as shown in FIG. 47, the cartridge holder 70 is housed between the disc stockers 62 and 71 in a state where the side plate 125 is at an initial position which is a rear side position with respect to the hold plate 75. The hold plate 75 stops at the position where the front support pins 99 and 98 are brought into contact with the closed front ends of the support grooves 165 and 167.

When the transport mechanism 126 is further moved to the front side, the side plate 125 is moved to the front side as shown in FIG. 46. With the movement of the side plate 125, the slider 105 is also moved to the front side. Be moved. The disk cartridges 320 and 321 are pushed forward by the tongue piece 108 of the slider 105. When the disc cartridges 320 and 321 are pushed forward, the shutter members 306 and 317 are stopped by the engagement of the shutter closing projection 90 and the shutter closing hole 308, and thus the closing operation is performed. To be done. At this time, the contact claw portion 154 has the tapered portion 1
The strip piece 168 is slidably contacted with 69 to elastically displace the strip piece 168 to the outside.

When the moving operation motor 181 is driven to rotate further, the base 126a reaches the foremost position as shown in FIGS. 45 and 53. The cartridge holder 70 keeps the hold plate 75 stopped,
Only the side plate 125 is moved further forward. Therefore, the side plate 125 rotates the interlocking arm 79 against the biasing force of the tension coil spring 94,
The interlocking arm 79 rotates the lock arm 88 against the biasing force of the tension coil spring 85. The lock recess 92 engages with the retaining piece 166. At this time, the lid opening protrusion 89 is retracted from the support groove portion 307, and the shutter closing lid protrusion 90 is retracted from the shutter closing hole 308. At this time, the copying roller 157
As shown in FIG. 53, is the rear end side of the bent portion 159,
That is, it reaches the front end of the linear portion of the cam groove 158. Therefore, at this time, the hold arm 141 can rotate by following the bending roller 157 with the copying roller 157.

Further, when the movement operation motor 181 is rotationally driven and the timing belt 137 is fed, as shown in FIGS. 44 and 52, the pinned gear 135 is provided.
Accordingly, the hold arm 141 causes the hook-shaped protrusion 1 to move.
It is rotated in a direction to separate 55 from the side plate 125. Then, the hook-shaped protrusion 155 is provided with the engaging hole 117.
Further retracted, the holding of the rear end portion of the side plate 125 is released. The hold arm 141 thus rotated is
The contact claw portion 154 is separated from the inner side surface portion of the strip-shaped piece portion 168, and the strip-shaped piece portion 168 is returned to the initial state. At this time, the lock hole 1 of the strip piece 168 is
The hooked pin 118 enters into 70.

When the moving operation motor 181 is further driven to rotate, as shown in FIGS. 43 and 51,
The switching arm 140 is rotated, and the switching arm 140 pushes the push switch 138 with the operating portion 151. This push switch 1
By pressing 38, it is detected that the cartridge holder 70 has been returned between the disc stockers 62 and 71. Also, this switching arm 1
By rotating 40, the hold recess 14
The pressing of the rear end of the side plate 125 by the base of 9 is released. The side plate 125 is slightly moved rearward so that the reduced diameter portion 119 of the hooked pin 118 abuts on the rear edge of the lock hole 170.

As described above, the cartridge holder 70
The transport mechanism 126 that has returned between the disk stockers 62 and 71 can be moved up and down together with the mechanical chassis 11 by the lifting device.

[8] Operation of Disc Changer Device In the disc changer device configured as described above, the disc cartridge 320 is provided for each of the plurality of cartridge holders 70 supported between the disc stockers 62 and 71. , 321 can be inserted. At this time, the disc cartridges 320 and 321 are only fitted with the fitting member 112 in the engaged recess 312, and are subjected to an operation such that the shutter members 306 and 317 are opened. Since the cartridges 305 and 316 are not present, there is no risk of dust entering the cartridges 305 and 316.

Then, by operating the input operation device, the mechanical chassis 11 is moved up and down by the elevating device, so that one disc from the plurality of disc cartridges 320 and 321 held by the plurality of cartridge holders 70 is operated. The cartridges 320 and 321 can be selected. The selected cartridge holder 70 is
As described above, the transport mechanism 126 transports the disc drive unit 174.

The disc cartridges 320 and 321 held by the cartridge holder 70 conveyed onto the disc drive unit 174 are the same as the disc drive unit 17 described above.
4 is chucked by being set to the chucking position. At this time, the reproduction mode can be executed. Then, by setting the disk drive unit 174 to the rec position, the magnetic head 192 is brought into sliding contact with the hole magnetic disk, and the recording mode can be executed.

After the recording mode or the reproduction mode is finished, the cartridge holder 70 and the disc cartridges 320 and 321 are again transferred to the disc stocker 62 and the disc stocker 62 by the transport mechanism 126 as described above.
It is returned between 71.

[9] Another Example of Structure of Cartridge Holder (FIG. 66) The above-mentioned disc changer device is not limited to the structure for selecting the cartridge holder 70 by operating the input operation device as described above. Disk cartridge 32 inserted in the cartridge holder 70
The disk cartridges 320 and 321 can be selected by pressing the rear ends of the disk cartridges 0 and 321.

That is, as shown in FIG. 66, the pressure detection arms 203 are arranged on each of the plurality of holder plates 75. The pressing detection arm 203 is rotatably supported at the rear end side with respect to the rear portion on the other side of the holder plate 75 via a support shaft 204, and extends over the rear side of the central portion of the holder plate 75. It is formed by including an operated arm portion 106 extending in a vertical direction and an operating arm portion 107 protruding to the other side of the holder plate 75. On the slider 105, an operation pin 205 is provided on the rear side of the operated arm portion 206. The pressing detection arm 203 includes a spring retaining pin 208 provided on the rear portion of the holder plate 75 and a spring retaining hole 21 provided on the operated arm portion 206.
A tension coil spring 209 stretched between 0 and 0 urges the operated arm portion 206 to rotate in a direction in which the operated arm portion 206 is pressed against the operation pin 205. Further, in the disc stocker 62, the pressing elements 202 are provided at the tip end portions of the operation arm portions 207 of the pressing detection arms 203.
A plurality of pressing detection switches 201 facing each other are provided.

When the cartridge holder 70 is held between the disc stockers 62 and 71, the slider 105 is located on the front side as shown in FIG. The operated arm portion 206 is held at the front side position. Therefore, at this time, the pressing detection arm 203 is held in a state of being rotated in a direction in which the operation arm portion 207 is projected to the other side, and by the operation arm 207,
The pressing detection switch 201 is being pressed.

Here, when the disk cartridges 320 and 321 held by the holder plate 75 with the front end surface abutting on the tongue portion 108 are pressed rearward, the slider 105 causes the tongue piece 108 to move. It is pushed rearward via the portion 108 and is slightly moved rearward, as indicated by an arrow R in FIG. At this time, the side plate 125 is prevented from moving rearward by the strip-shaped piece 168, and the holder plate 75 is prevented from moving rearward by the engagement of the lock recess 92 and the engaging piece 166. Since the slider 105 pulls the tension coil spring 115, the slider 105 pushes the engaging pin 110 into the front slit 1.
While moving within 13, it is moved to the rear side. Since the operation pin 205 is moved to the rear side by the movement of the slider 105 to the rear side, the pressing detection arm 203 is moved by the urging force of the tension coil spring 209 as shown by an arrow S in FIG. , The operation arm section 2
It is rotated in a direction in which 07 is retracted to the holder plate 75 side. By the rotation of the pressing detection arm 203, the pressing operation on the pressing detection switch 201 is released, and it is detected that the disk cartridges 320 and 321 are pressed.

The above-mentioned control circuit is used for the cartridge holder 7 corresponding to the pressing detection switch 201 whose pressing operation has been released.
The mechanical chassis 11 is moved up and down to a position corresponding to 0, and the disk cartridges 320 and 321 held by the cartridge holder 70 are selected. The selected disk cartridges 320 and 321 are carried by the carrying mechanism 126 together with the cartridge holder 70 onto the disk drive unit 174 and chucked by the disk drive unit 174.

[0118]

As described above, in the disc loading apparatus according to the present invention, the cartridge holder for holding the disc cartridge is moved in one direction on the recording and / or reproducing section side for recording and / or reproducing the information signal. The transport mechanism for transporting moves the recording and / or reproducing unit in synchronization with the cartridge holder from the middle of the transporting process of the cartridge holder, and moves the recording and / or reproducing unit via the cam means to the cartridge holder. The disk cartridge held by the cartridge holder is mounted on the recording and / or reproducing unit. Therefore, the transport mechanism can complete the loading operation by moving in one direction by one motor.

Further, in the above-mentioned disc loading apparatus, the transport mechanism may further move the cartridge holder and the recording and / or reproducing unit in one direction after the disc cartridge is mounted in the recording and / or reproducing unit. When the magnetic head of the recording and / or reproducing unit is brought closer to the recording disk of the disk cartridge by carrying, the carrying mechanism moves by one motor in one direction. The loading operation and the switching operation between the recording mode and the reproduction mode can be completed.

Further, in the above-mentioned disc loading apparatus, the transport mechanism opens the shutter member of the disc cartridge held by the cartridge holder as the cartridge holder is transported in one direction. In this case, the transport mechanism is moved in one direction by one motor to perform a loading operation, a switching operation between a recording mode and a reproduction mode, and
The shutter opening / closing operation can be completed.

That is, the present invention can provide a disk loading device which has a simple structure, is easy to assemble, and can be downsized.

[Brief description of drawings]

FIG. 1 is an exploded perspective view schematically showing an overall configuration of a disc changer device including the loading device according to the present invention.

FIG. 2 is an exploded perspective view showing a configuration of a lifting device of the disc changer device.

FIG. 3 is an enlarged exploded perspective view of a main part showing a configuration of a main part of the lifting device.

FIG. 4 is a side view showing a configuration of a main part of the lifting device as seen through.

FIG. 5 is a plan view showing a configuration of a main part of the lifting device as seen through.

FIG. 6 is a side view showing a shape of a second cam plate which constitutes the lifting device.

FIG. 7 is a side view showing the shape of a first cam plate which constitutes the lifting device.

FIG. 8 is a plan view showing the shape of the first cam plate.

FIG. 9 is a side view showing a configuration of a moving operation means that constitutes the lifting device as seen through.

FIG. 10 is a plan view showing the structure of the moving operation means in a see-through manner.

FIG. 11 is a graph showing a moving operation state of each cam plate in the lifting device shown in FIGS. 2 to 10;

FIG. 12 is a graph showing a shift operation state of each cam plate in the disc changer device shown in FIGS.

FIG. 13 is a graph showing a moving operation state of each cam plate in the disc changer device shown in FIGS. 14 to 27 below.

FIG. 14 is a side view showing another example of the configuration of the lifting device as seen through.

FIG. 15 is a side view showing a state of each cam plate in the initial state of the lifting device.

FIG. 16 is a side view showing a state of each cam plate when the drive gear rotates 30 in the lifting device.

FIG. 17 is a side view showing a state of each cam plate when the drive gear rotates 60 in the lifting device.

FIG. 18 is a side view showing a state of each cam plate when the drive gear rotates 90 degrees in the lifting device.

FIG. 19 is a side view showing a state of each cam plate when the drive gear rotates 120 in the lifting device.

FIG. 20 is a side view showing a state of each cam plate when the drive gear rotates 150 in the lifting device.

FIG. 21 is a side view showing a state of each cam plate when the drive gear rotates 180 degrees in the lifting device.

FIG. 22 is a side view showing the state of each cam plate when the drive gear rotates 210 in the lifting device.

FIG. 23 is a side view showing a state of each cam plate when the drive gear rotates 240 in the lifting device.

FIG. 24 is a side view showing a state of each cam plate when the drive gear rotates 270 in the lifting device.

FIG. 25 is a side view showing a state of each cam plate when the drive gear rotates 300 in the lifting device.

FIG. 26 is a side view showing the state of each cam plate when the drive gear rotates 330 in the lifting device.

FIG. 27 is a side view showing a state of each cam plate when the drive gear rotates 360 in the lifting device.

FIG. 28 is an exploded perspective view showing a configuration of a cartridge holder of the disc changer device.

FIG. 29 is a plan view showing the configuration of the cartridge holder.

FIG. 30 is a plan view showing a state where a side plate is pressed in the cartridge holder.

FIG. 31 shows the cartridge holder of FIG.
FIG. 9 is a plan view showing a state in which the side plate is further pressed as compared with the state shown in FIG.

FIG. 32 is an exploded perspective view showing a configuration of a transport mechanism in the disc changer device.

FIG. 33 is an exploded perspective view showing a configuration of a disc stocker of the disc changer device.

FIG. 34 is a plan view showing a part of the configuration of the disc changer device in a partially cutaway or transparent manner.

FIG. 35 is a side view showing the configuration of the disc changer device in a partially cutaway or transparent manner.

FIG. 36 is a front view showing the configuration of the disc changer device with a part cut away or seen through.

FIG. 37 is an enlarged plan view showing the configuration of the main part of the side plate of the cartridge holder of the disc changer device.

38 is a plan view showing the cartridge holder stored in the disc stocker. FIG.

FIG. 39 is a plan view showing a state in which the disc cartridge is inserted into the cartridge holder stored in the disc stocker.

FIG. 40 is a plan view showing a state in which the disc cartridge is being inserted into the cartridge holder housed in the disc stocker.

FIG. 41 is a plan view showing a state where the insertion of the disc cartridge into the cartridge holder housed in the disc stocker is completed.

FIG. 42 is an enlarged cross-sectional view of a main part showing the configuration of the main part of the cartridge holder.

FIG. 43 is a plan view showing a state of the disc cartridge and the transport mechanism when the disc cartridge is inserted into the cartridge holder stored in the disc stocker.

FIG. 44 is a plan view showing a state of the disc cartridge and the carrying mechanism when the insertion of the disc cartridge into the cartridge holder stored in the disc stocker is completed.

FIG. 45 is a plan view showing a state in which the carrying mechanism has started drawing the disc cartridge into the cartridge holder.

FIG. 46 is a plan view showing a state where the transport mechanism is pulling the disc cartridge into the cartridge holder.

FIG. 47 is a plan view showing a state in which drawing of the disc cartridge into the cartridge holder by the carrying mechanism is completed.

FIG. 48 is a plan view showing a state in which the transport mechanism has started pulling out the cartridge holder from the disc stocker.

FIG. 49 is a plan view showing a state where the transport mechanism has completed drawing of the cartridge holder from the disc stocker.

FIG. 50 is a side view showing a state where the transport mechanism pulls out the cartridge holder from the disc stocker.

FIG. 51 is a plan view showing the configuration of the transport mechanism in the initial state.

FIG. 52 is a plan view showing the transport mechanism in a state where the operation is started.

FIG. 53 is a plan view showing the transport mechanism in a state where the side plate of the cartridge holder is held.

FIG. 54 is a plan view showing the transport mechanism in a state where the pulling out of the cartridge holder is completed.

FIG. 55 is a plan view showing a structure of a mechanical chassis on which the disc cartridge is mounted, as seen through.

FIG. 56 is a plan view showing the mechanical chassis in a state where the disc cartridge is mounted.

FIG. 57 is a side view showing a structure of a mechanical chassis into which the disc cartridge is mounted, as seen through.

FIG. 58 is a side view showing the mechanical chassis in a state where the disc cartridge is mounted and the reproduction mode is executed.

FIG. 59 is a side view showing the mechanical chassis in a state where the disc cartridge is mounted and a recording mode is executed.

FIG. 60 is a plan view showing the configuration of a disk drive unit constituting the mechanical chassis in a see-through manner.

FIG. 61 is a side view showing the structure of the disk drive unit in a see-through manner.

FIG. 62 is a plan view showing the shape of a substrate that constitutes the transport mechanism.

FIG. 63 is a plan view showing the shape of a cam gear that constitutes the transport mechanism.

FIG. 64 is a plan view showing a shape of a switching arm which constitutes the transport mechanism.

FIG. 65 is a plan view showing the shape of a hold arm that constitutes the transport mechanism.

FIG. 66 is a plan view showing another example of the configuration of the cartridge holder.

FIG. 67 is a perspective view showing the structure of a recording / reproducing disk cartridge mounted on the disk changer device as seen from the upper surface side.

FIG. 68 is a perspective view of the structure of a read-only disc cartridge mounted on the disc changer device as seen from the upper surface side.

FIG. 69 is a perspective view of the configuration of a recording / playback disc cartridge mounted on the disc changer device as seen from the lower surface side.

FIG. 70 is a perspective view showing the configuration of a reproduction-only disc cartridge mounted on the disc changer device as seen from the lower surface side.

[Explanation of symbols]

 3 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Second cam plate 4 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ First cam plate 10 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Base Chassis 11 ... Mechanical chassis 12, 13 ... Copying pin 14 ... Elevating motor 25 ...・ ・ ・ Rotating cam body 62,71 ・ ・ ・ ・ ・ ・ Disk stocker 70 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Cartridge holder 126 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Transfer mechanism 174・ ・ ・ ・ ・ ・ ・ ・ ・ Disk drive part 181 ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ ・ Movement operation motor 193,194 ・ ・ ・ ・ ・ ・ Support pin 195,196 ・ ・ ・ ・ Inclined slit 320 ........................ Recording / playback disc cartridge 321 Tsu di

Claims (3)

[Claims] 1. A cartridge holder for holding a disc cartridge configured by housing a recording disc in a cartridge, a recording and / or reproducing unit for recording and / or reproducing an information signal on the recording disc, and the cartridge holder. And a transport mechanism for transporting the recording and / or playback unit in one direction on the recording and / or playback unit side. The transport mechanism synchronizes the recording and / or playback unit with the cartridge holder from the middle of the transport process of the cartridge holder. Disc loading by moving the recording and / or reproducing unit to the cartridge holder side via cam means and mounting the disc cartridge held in the cartridge holder on the recording and / or reproducing unit. apparatus. 2. The transport mechanism, after the disc cartridge is mounted in the recording and / or reproducing section, further transports the cartridge holder and the recording and / or reproducing section in one direction, thereby performing the recording and / or reproducing operation. 2. The disk loading device according to claim 1, wherein a magnetic head included in the reproducing section is brought close to the recording disk of the disk cartridge. 3. The transport mechanism according to claim 1, wherein the transport mechanism opens the shutter member of the disk cartridge held by the cartridge holder as the cartridge holder is transported in one direction. Disc loading device.