JPH0798915A - Disc player - Google Patents

Abstract

(57) [Summary] [Structure] Chassis 2 to which a disc reproducing mechanism for reproducing the disc stored in the cartridge 41 is attached.
A cartridge holder 1 for guiding the cartridge 41, a kicking lever 10 for urging the cartridge 41 in the discharging direction, and a cartridge kicking lock lever for locking the cartridge kicking lever 10 when the cartridge 41 is stored. And a cartridge kick-out lock release lever 9 for unlocking the kick-out lock lever, and the cartridge kick-out lock lever and the cartridge kick-out lock release lever 9 are provided.
And are provided on the chassis 2. [Effect] The cartridge holder 1 is attached to the cartridge 41.
The device can be made thinner according to the thickness of the device, and the device can be downsized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc reproducing apparatus for reproducing a disc as a recording medium, and in particular, a disc housed in a cartridge, for example, MD (Mini Disc),
The present invention relates to a disk reproducing device for reproducing MO (Magnet Optical) or the like.

[0002]

2. Description of the Related Art Conventionally, for example, a compact disc (hereinafter referred to as a CD) has been used as a recording medium of a disc reproducing apparatus. However, since the recording surface (hereinafter referred to as a disk surface) of the above CD is exposed, C
When D is attached to or detached from the disc reproducing apparatus, there is a possibility that a flaw or the like may be attached. For this reason, in recent years, recording media such as MDs and MOs have been developed, which are housed in a cartridge and miniaturized in consideration of disk surface protection and portability.

As a method for attaching / detaching the disk housed in the above cartridge to / from the disk reproducing apparatus, there is, for example, a top insertion method. This top insertion system has a cartridge kick-out mechanism for kicking and moving the cartridge from the storage position to the removal position so that the cartridge can be easily taken out when taking out the cartridge. This cartridge kicking mechanism is shown in FIG.
7 and FIG. 18, a cartridge holder 101 for accommodating a cartridge and a disk reproducing mechanism 115 for accommodating a pickup and a spindle motor (not shown) are provided with support shafts 113b.
4 is pivotally supported by the cartridge 4, and when the cartridge holder 101 is open as shown in FIG. 18A, the cartridge is attached and detached from the opening 101a on the end side opposite to the support shafts 113b and 114 of the cartridge holder 101. . That is, it is stored in the direction of arrow D'and discharged in the direction of arrow C '.

As shown in FIG. 17B, the cartridge holder 101 has a cartridge holder 101.
A kicking lever 104 pivotally supported by a support shaft 101b erected on the end side of the arrow D ′ direction of the arrow is linked with the kicking lever 104 by a kicking spring 106 in the arrow B ′ direction. Energized kick-out connection lever 10
And 5 are provided. The kick-out connection lever 10 described above
5, a guide shaft 105a is provided upright and is inserted into the guide hole 104a which is a long hole formed in the kicking lever 104. As a result, when the kicking-out lever 104 rotates, the guide shaft 105a slides in the guide hole 104a of the kicking-out lever 104 along with the rotation, and the kick-out connecting lever 10 moves.
5 interlocks in the directions of arrows A'and B '.

That is, when the cartridge inserted from the opening 101a of the cartridge holder 101 comes into contact with the end 104a of the kick-out lever 104 and the kick-out lever 104 rotates in the arrow E direction, the arrow is interlocked with it. The kick-out connecting lever 105 moves in the direction of the arrow A ′ while resisting the biasing force in the direction B ′.

When the kick-out connecting lever 105 moves in the direction of arrow A ', the lock lever 107 that locks is rotated in the directions of arrows E and F by a support shaft 101g provided upright on the cartridge holder 101. The shaft is movably supported, is urged in the direction of arrow F by a spring 108, and is positioned at the lock position by a pin (not shown).

The opening / closing slide lever 111 has perforations 111b and 111 formed in the opening / closing slide lever 111.
By inserting the substantially T-shaped guides 101e and 101f provided upright on the cartridge holder 101 into c,
It is movable in the directions of arrows C'and D '. That is, the opening / closing slide lever 111 is linked with the opening / closing operation of the cartridge holder 101 by the arm 111 rotatably attached to the end portion 111a thereof, the end portion 113a of the holder supporting angle 113, and arrow C'.D. 'Move in the direction.

A kick-out lock release lever 109 for releasing the lock of the kick-out lever 104 by the lock lever 107 is rotatably supported by a support shaft 111d provided upright on the opening / closing slide lever 111, and is spring-loaded. 1
It is urged in the direction of arrow E by 10 and abuts on the bent portion 111e of the opening / closing slide lever 111 to be positioned.

The kick-out lock release lever 10 is also provided.
9, the end 109a of the cartridge holder 10
It is positioned so as to abut the pin 107b erected on the lock lever 107 in the middle of opening and closing 1.

Further, the cartridge holder 101 is provided with cartridge pressing springs 102 and 103 at the end in the discharge direction and the end in the storage direction for restricting the vertical position of the cartridge when the cartridge is stored. A cartridge pressing spring 116 is also provided on the opposite side of the pressing springs 102 and 103. The cartridge is held at a predetermined position in the cartridge holder 101 by the cartridge pressing springs 102, 103 and 116.

The cartridge mounting / demounting operation in the disc reproducing apparatus having the above-mentioned structure will be described.

First, the mounting operation will be described with reference to FIG.
As shown in FIG. 8, the cartridge is inserted from the opening 101a of the cartridge holder 101 in the direction of the arrow D'with the cartridge holder 101 in the opened state, that is, in the state where the cartridge can be attached and detached. The cartridge comes into contact with the end portion 104a of the kicking lever 104 on the way, and when the cartridge is further inserted, the kicking lever 104 rotates in the arrow E direction. Interlocking with the rotation of the kick-out lever 104, the kick-out connecting lever 105 moves in the direction of arrow A ′ against the biasing force of the kick-out spring 106. Then, due to the insertion force of this cartridge, the kick-out lock lever 107 causes the pin 107a erected on the kick-out lock lever 107 to move along with the movement of the kick-out connection lever 105, and the slope 105d of the kick-out connection lever 105.
Riding on while contacting with, turning in the direction of arrow E, and breaking off from the end of this slope 105, the biasing force of the spring 108 restores the initial state. As a result, the kick-out connecting lever 105 engages with the locking surface 105e thereof and the locking pin 107a of the kick-out lock lever 107, so that the kick-out connecting lever 105 cannot move in the direction of the arrow D'and is in the locked state. In this way, the cartridge is mounted on the cartridge holder 101.

Thereafter, as shown in FIG. 17, when the cartridge holder 101 is closed to the reproducing position, the opening / closing slide lever 111 moves in the direction of arrow C '. During the movement of the opening / closing slide lever 111, the end portion 109a of the kick-out lock release lever 109 comes into contact with a locking pin 107b provided upright on the kick-out lock lever 107,
By rotating in the direction of arrow F, the kick-out lock lever 1
Move to the playback position without unlocking 07.

Next, the operation of removing the cartridge will be described. As shown in FIG. 18, when the cartridge holder 101 is opened to the cartridge attaching / detaching position, the opening / closing slide lever 111 moves in the direction of arrow D ', and the opening / closing slide lever 111 is moved. During the movement of the kick-out lock release lever 109, the end portion 109a of the kick-out lock release lever 109 comes into contact with the locking pin 107b provided upright on the kick-out lock lever 107, and the lock of the kick-out lock lever 107 is rotated in the arrow E direction. . As the kick-out lock lever 107 rotates in the direction of arrow E, the lock state of the kick-out connection lever 105 is released. This kick out connection lever 10
5 moves in the arrow B'direction by the biasing force of the kick spring 106, and at the same time, the kick lever 104 rotates in the arrow F direction, so that the cartridge is kicked in the arrow C'direction.

Generally, the disk reproducing mechanism is vulnerable to vibration and impact and easily causes a disk reading error. Therefore, when the disk reproducing mechanism is mounted on a cabinet which is an external component, it must be mounted in a floating state by a vibration proof rubber. In addition, the weight of the disk reproducing mechanism that is kept in the floating state needs to be reduced in order to prevent the vibration proof rubber from increasing in size.

In order to satisfy the above condition, the conventional method shown in FIG.
As shown in FIG. 4, after the main board 120 of the apparatus is mounted on the cabinet 119, the disk reproducing mechanism section 115 and the main board are connected by the flexible board 117, and the disk reproducing mechanism section 115 to which the cartridge holder 101 is mounted is vibration-proof. It is attached to the above cabinet 119 via the rubber 118.

Further, since the disk reproducing mechanism section 115 and the main board 120 have variations in their respective characteristics, the disk reproducing mechanism section 115 and the main board 120 are different.
Need to make adjustments in pairs. Therefore, the adjustment knob 120a for this adjustment is the above-mentioned disc reproducing mechanism 11 to which the lid 121 of the cabinet 119 is attached.
5 is attached to the cabinet 119, and is provided at a position exposed to the outside.

[0018]

However, in the disk reproducing apparatus as described above, it is difficult to make the apparatus thinner in the thickness direction because all the components of the cartridge kicking mechanism are attached to the cartridge holder 101. Therefore, it is difficult to reduce the size of the disc reproducing apparatus.

Further, since the cartridge pressing spring 102 urges the cartridge from the beginning of insertion into the cartridge holder 101, it is difficult to insert the cartridge and the operability of the apparatus is deteriorated.

Further, an adjusting knob 120a for adjusting the disk reproducing mechanism 115 and the main substrate 120 is shown in FIG.
As shown in FIG. 9, the cabinet 119 and the main board 12
Since it is provided between 0 and 0, it becomes a limitation in the width direction when the device is downsized. Also, the disc reproducing mechanism unit 1
Since the adjustment work is performed after the 15 and the like are attached to the cabinet 119 which is an external component, it is necessary to perform the adjustment work more carefully, which causes a problem that the efficiency of the adjustment work is reduced.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a disc reproducing apparatus which enables downsizing of the apparatus and improves operability and workability of the apparatus. To do.

[0022]

According to a first aspect of the present invention, there is provided a disk reproducing apparatus in which a disk reproducing means for reproducing a disk as a recording medium housed in a cartridge is mounted, and a base is rotatable. And a cartridge holding means for holding and guiding the cartridge in the storing direction and the discharging direction, and a biasing force in the discharging direction of the cartridge immediately before the storing completion position when the cartridge is stored in the cartridge holding means. And a cartridge kick-out locking means for locking the cartridge kick-out means when the cartridge reaches the storage completion position, and the cartridge locking by the cartridge kick-out locking means. The cartridge kick-out lock releasing means for releasing the state is provided. And kicking trailing locking means and the cartridge unlocking means is characterized by being provided on the base.

A disk reproducing apparatus according to a second aspect of the present invention is the disk reproducing apparatus according to the first aspect, further characterized in that a cartridge kicking means is provided on the base.

According to a third aspect of the present invention, there is provided the disk reproducing device according to the second aspect, wherein the cartridge kick-out means has elasticity and is directly locked by the cartridge kick-out locking means. Is characterized by.

A disc reproducing apparatus according to a fourth aspect of the present invention includes a base to which disc reproducing means for reproducing a disc as a recording medium housed in a cartridge is attached.
And a cartridge holding means which is rotatably provided on the base and holds and guides the cartridge in the storing direction and the discharging direction. When the cartridge reaches the reproducing position, the cartridge holding means is provided. It is characterized in that urging means for urging the cartridge at the same time in the thickness direction are provided at at least two positions on the end side of the cartridge in the storage direction and the end side of the cartridge in the discharge direction.

Further, a disk reproducing apparatus according to a fifth aspect of the present invention includes disk reproducing means for reproducing a disk as a recording medium housed in a cartridge, and a drive / connection circuit board for driving and connecting the disk reproducing means. A disk reproduction mechanism section in which the disk is mounted, a main circuit board for a main circuit for driving and controlling the entire apparatus, and a mechanical mounting member for mounting the disk reproduction mechanism section via a vibration / shock absorber and fixing the main circuit board. And a cabinet to which the mechanical attachment member is fixed, a flexible substrate which connects the drive / connection circuit board and the main board, and which does not transmit vibration shock between the cabinet and the disk reproducing mechanism section. And the disk reproduction mechanism section, the main board, and the flexible board so that the main board is exposed. Le substrate and the mechanical attachment member is characterized by being unitized.

[0027]

According to the first aspect of the invention, the cartridge kicking-out locking means and the cartridge kicking-out locking releasing means, which are conventionally provided in the cartridge holding means, are provided in the base provided with the disk reproducing means. ing. As a result, the cartridge holding means can be thinned in accordance with the thickness of the cartridge, so that the device can be made thin.

Further, according to the second aspect of the present invention, since the cartridge kick-out means, which is conventionally provided in the cartridge holding means, is also provided in the base, the thickness of the cartridge holding means can be further reduced. This makes it possible to make the device thinner.

According to the third aspect of the invention, the cartridge kicking-out means has elasticity and is locked by the cartridge kicking-out locking means. This allows
The structure of the cartridge kicking-out means can be simplified, and the entire device can be simplified and the device can be downsized.

According to the structure of claim 4, when the cartridge is mounted in the cartridge holding means, the biasing force applied to the cartridge in the thickness direction is applied in the vicinity of the storage completion position in the cartridge holding means. By that,
No urging force is applied from the start of cartridge insertion to near the storage complete position. As a result, the load on the cartridge holding means at the initial stage of mounting the cartridge is eliminated, and the cartridge can be smoothly mounted and dismounted, so that the operability of the apparatus can be improved.

Further, according to the structure of claim 5, the disc reproducing mechanism portion, the main substrate, the flexible substrate and the mechanical mounting member are unitized so that the main substrate is exposed. It is fixed to the cabinet in the state. This makes it possible to adjust the unitized disc reproducing mechanism section and the main board before they are fixed to the cabinet, so that the efficiency of the adjusting work can be improved. Further, since it is not necessary to expose the adjusting knob to the outside, there is no need to provide a space for providing the adjusting knob between the cabinet and the main board, and as a result, the apparatus can be downsized.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention is shown in FIGS.
The explanation is based on the following.

The disc reproducing apparatus according to this embodiment is shown in FIG.
As shown in FIG. 2, a disc constituted by a cartridge holder 1 as a cartridge holding means for holding a substantially rectangular parallelepiped cartridge 41 accommodating an optical disc or the like as a recording medium, and a pickup or the like as a reproducing means for reproducing the above-mentioned optical disc. It is composed of a chassis 2 as a base on which a reproducing mechanism section is mounted.

The cartridge 41 can move in the directions of arrows L ₁ and L _{2 with} respect to the cartridge holder 1.

As the above-mentioned optical disk, for example, MD
(Mini Disc) or the like is used. Cartridge 41 above
2A and 2B and FIGS. 3A and 3B, information recorded by irradiating an optical disk (hereinafter simply referred to as a disk) 42 as a recording medium with light is recorded. reproduction window 41a for pickup for reading and is bored, this playback window 41a is covered by a slidable shutter 43 in the arrow K ₁ · K ₂ directions. This shutter 4
3 slides in the direction of arrow K ₁ in the disc reproducing apparatus, so that the reproducing window 41a of the cartridge 41 is opened and the disc 42 is exposed. Further, when the cartridge 41 is not mounted in the disc reproducing apparatus, the shutter 43 has the shutter lock lever 44.
Thus, the tip end portion 44a of the shutter lock lever 44 is
And a locking portion 43c provided on one end side of the shutter 43 are engaged with each other, and the reproduction window 41a of the cartridge 41 is locked at the closed position. On the other hand, when the cartridge 41 is mounted in the disc reproducing apparatus, the shutter 43 is
The engaging portion 43c provided on one end side is disengaged and opened by an opening / closing mechanism provided on the cartridge holder described later.

As shown in FIG. 2 (b), a groove 41b is formed at the sliding position of the shutter 43 of the cartridge 41, and by inserting a constituent member of a shutter opening / closing mechanism described later into this groove 41b. By pressing the shutter lock lever 44 by this component, the locked state of the shutter 43 is released and the shutter 43 is opened.

Further, in the above disc reproducing apparatus, as shown in, for example, FIGS. 4 and 5, a lid 38 is provided on a cabinet 37 so as to be rotatable in the directions of arrows H and G, and The cartridge holder 1 can be opened / closed in conjunction with the opening / closing operation.

Therefore, as shown in FIG. 4, when the lid 38 is opened, that is, when the cartridge is attached or detached, the cartridge 41 is moved from the opening 38a of the lid 38 in the direction of the arrow L ₁ ( It is configured to be stored by moving in the storing direction) and discharged by moving in the direction of arrow L ₂ (discharging direction).

On the other hand, as shown in FIG. 5, when the lid 38 is closed, that is, in the disc reproducing state, if the cartridge 41 is accommodated, the disc 42 is inserted.
Is designed to be played.

The cabinet 37 is provided with operation switches, output terminals and the like (not shown).

As shown in FIG. 6, the cartridge holder 1 has bending openings 1a and 1b having a substantially U-shaped cross section at both ends in parallel with the storing / discharging direction of the cartridge 41.
Are provided, and the cartridge 41 is guided by these bending openings 1a and 1b.

The cartridge holder 1 has an arrow D.
At the end of the direction, the holder support angles 3 and 4 fixed to the surface of the chassis 2 are pivotally supported in the directions of arrows H and G about the support shafts 5 and 6.

The cartridge holder 1 has a first bent portion 1c that opens the shutter 43 when the cartridge 41 is inserted, and a second bent portion 1d that has a substantially triangular shape and locks when the cartridge holder 1 is closed. Third and fourth bent portions 1e and 1f for opening the cartridge holder 1 are provided. In addition, the second
The bent portion 1d is configured to enter the back surface side of the chassis 2 at the reproduction position.

On the side surface of the cartridge holder 1 in the direction of arrow A, there is provided a cartridge pressing lever 7 as a cartridge urging means for fixing the cartridge 41 inserted in the cartridge holder 1 by urging force. The cartridge pressing lever 7 is provided rotatably in the directions G and H about the mounting portion 7a, and is provided at two points, an arrow C direction tip 7b and an arrow D direction tip 7c. The cartridge 41 has elasticity, and the elastic force presses the cartridge 41.

On the other hand, on the side of the cartridge holder 1 in the direction of arrow B, a cartridge pressing spring 8 for fixing the cartridge 41 inserted in the cartridge holder 1 by a biasing force and a shutter opening / closing mechanism for opening the shutter of the disc 41 are formed. A shutter spring 9 is provided. The cartridge pressing spring 8 has elasticity in the directions of arrows E and F, and due to this elastic force, the cartridge 41
It is designed to be pressed. The shutter spring 9 has one end fixed to the cartridge holder 1 and the other end forming a substantially triangular bent portion, which is hooked by the cartridge holder 1 and the bent portion so as not to move in the directions of arrows A and B, By bending between the two ends, the tip 9
a has elasticity in the directions of arrows A and B, and the elastic force presses the cartridge 41. The operation of the shutter spring 9 will be described later.

Therefore, the cartridge 41 inserted into the cartridge holder 1 is positioned by the above-mentioned cartridge pressing lever 7 and cartridge pressing spring 8 so as to give a constant addition in the thickness direction of the cartridge 41 when the cartridge is completely stored. The cartridge 41 is fixed to the cartridge holder 1.

On the surface of the chassis 2 on the side of the cartridge holder 1 on the end side in the direction of the arrow D, the kicking means as a kicking means for kicking out the cartridge 41 stored in the cartridge holder 1 to the take-out position by the operator. A delivery lever 10 is provided. The kick-out lever 10 has an arm portion 10a which is perpendicular to the mounting surface of the chassis 2 and has elasticity in the directions of arrows C and D, and a bent end portion of the arm portion 10a which is not fixed and has a U-shaped cross section. The portion 10b is formed. This kick out lever 10
The kicking-out mechanism of the cartridge 41 by means of will be described later.

Further, the cartridge holder 1 and the chassis 2 are provided with a substantially circular shape in the vicinity of the center thereof, and are provided with a substantially rectangular shape extending from the circular portion to the outer edges of the cartridge holder 1 and the chassis 2. Further, the perforations 1g and 2a are formed, the circular portion of the perforations 1g and 2a allows the turntable 11a to chuck the disk 42, and the rectangular portion
The pickup 18 can read the disc 42.

The spindle motor 11 as a driving means for rotating the turntable has a turntable 11a having a magnet for chucking the disk 42.
The turntable 11a is attached from the rear surface of the chassis 2 in an exposed state so that the turntable 11a can chuck the disk 42 by the above-mentioned perforations 1g and 2a.

Further, members constituting the disk reproducing mechanism such as the spindle motor 11 and the pickup 18 and a mechanical board (driving / connecting circuit board) which is a circuit board for driving these members are attached to the chassis 2. The cartridge holder 1 is openably and closably connected by a holder pull-in lock mechanism and a support shaft described later.

As shown in FIG. 7, guide shafts 12 and 13 for guiding the pickup 18 for reproducing a disc along the rectangular portions of the perforations 1g and 2a are provided on the back surface of the chassis 2, A drive shaft 1 for driving the pickup 18 in parallel with and adjacent to the guide shaft 12.
4 are provided.

The drive shaft 14 is inserted into the bearing 23 and one end thereof is biased in the direction of arrow B by a leaf spring 25 attached to the bearing 23. Also, this drive shaft 14
It is composed of a worm wheel portion 14b and a screw portion 14a having a screw formed on the surface. A feed motor 15 is mounted on the back surface of the chassis 2 in the vicinity of the direction of arrow A of the worm wheel portion 14b.
The driving force of No. 5 is transmitted to the worm wheel portion 14b via the gears 16 and 17.

A guide hole 18a through which the guide shaft 12 is inserted is provided at an end portion of the pickup 18 on the arrow D direction side, and a projection portion (not shown) for sandwiching the guide shaft 13 is provided on the arrow C direction end portion. And a bearing spring 19 are provided. In the vicinity of the guide hole 18a of the pickup 18,
A grip 20 having a nut portion at its tip and a grip spring 2 for urging the grip 20 in the direction of arrow E
1 and are attached. The nut portion of the grip 20 is screwed with the screw portion 14a of the drive shaft 14, and the driving force from the feed motor 15 is transmitted to the drive shaft 14, whereby the pickup 18 moves the arrows A and B.
It can slide in any direction.

At the opposite end of the guide shaft 13 of the holder receiving member 22 which is the mounting base of the guide shaft 13, when the cartridge holder 1 reaches the disc reproducing position, a holder lock for locking the cartridge holder 1 at that position. Spring 2
4 is attached, and the arm 24a (FIG. 8) extending from the chassis 2 side of the holder lock spring 24 is
It has elasticity in the directions of arrows C and D.

As shown in FIG. 8 (b), the substantially rectangular hole 2 into which the second bent portion 1d of the cartridge holder 1 can be inserted is formed substantially in the center of the holder receiving member 22.
2a is drilled, and the arm 24 of the holder lock spring 24
8a urges the second bent portion 1d in the direction of arrow D at the disc reproducing position, and FIG.
As shown in (a), the end surface 22 of the holder receiving member 22
Positioned in contact with b.

At the end of the bearing 23 of the drive shaft 14 in the direction of the arrow D of the chassis 2 shown in FIG. 7, a cartridge kick-out lock for locking the kick-out lever 10 with the cartridge 41 mounted is provided. A kick-out lock lever 26 is provided as a means.

The kick-out lock lever 26 has a tip portion 23a on the side opposite to the side where the drive shaft 14 of the bearing 23 is inserted.
It is mounted so as to be slidable in the directions of arrows A and B while being sandwiched by 23b and the bending of the outer edge of the chassis 2, and is biased in the direction of arrow B by the kick-out lock lever spring 27 attached to the bearing 23. Has been done.

Arrow A of the kick-out lock lever 26 described above.
As shown in FIG. 6, the bent portion 26a at the tip in the direction is provided so as to project on the surface of the chassis 2.
The side surface 26c of 6a is positioned by abutting the side surface of a rectangular hole formed for this bent portion 26a of the chassis 2, and at that time, the sloped surface 26b of the bent portion 26a is bent at the bent portion of the kicking lever 10. Due to its elasticity, 10b is formed so as to abut when it moves in the direction of arrow D. The kick-out lock lever 26 is unlocked by a kick-out lock release lever 28 as a kick-out lock releasing means shown in FIG.

As shown in FIG. 9 (a), the kick-out lock release lever 28 has a mounting hole 28c formed in the bearing 2 as shown in FIG.
It is connected to the boss 23c of 3 and is rotatable in the directions of arrows I and J.
Further, it is attached so as to have a degree of freedom in the arrow E / F directions, and is biased in the arrow J direction and the arrow E direction by the kick-out lock release lever spring 29 provided on the boss 23c.

Further, the kick-out lock release lever 2 described above is used.
In FIG. 8, a first arm portion 28 a extending to a cutout portion 2 b provided on the end side of the chassis 2 in the direction of the arrow D, and the first arm portion 2 a.
The second arm portion 28b having a substantially L shape in a direction of 90 ° with respect to 8a.
And are provided. The second arm portion 28b is provided so that its tip portion projects from the outer edge portion of the chassis 2.

The first arm portion 28a includes the cutout portion 2b of the chassis 2 and the kick-out lock lever 26.
It extends so as to project from the notch portion 26e formed in, and is positioned by abutting on the side surface 26f of the notch portion 26e in the direction of arrow B.

A slope 2c is formed on the cutout 2b of the chassis 2 in the direction of arrow A. On the slope 2c, a side surface 26g of the cutout 26e of the kick lock lever 26 in the direction of arrow A is formed. The side surface 2d is formed so as to be higher than the upper side surface 26h.

Further, as shown in FIG. 10, the cartridge holder 1 and the chassis 2 are integrated (unitized) by a frame 32 as a mechanical mounting member and housed in the cabinet 37.

The chassis 2 is, as shown in FIG.
The main board 35 for the main circuit of the device is connected to the mechanical board by a flexible board 36 that is attached to the frame (mechanical mounting member) 32 via a vibration-proof rubber (vibration / shock absorber) 31. After being attached, it is attached to the frame 32. The frame 32 is attached to a cabinet 37 which is an external component.

On the back surface of the chassis 2, a mechanical board 30 is attached on the opposite side of the pickup 18. The wiring 11a, 15a of the spindle motor 11 and the feed motor 15 are incorporated in the mechanical board 30, and the flexible board 26 connected to the main board 35 is connected to the mechanical board 30. Further, a part of a circuit for motor drive control is also incorporated in the mechanical board 30.

The lid 38 is connected to the frame 32 at a fulcrum, and is attached to a lever 33 and a lever 34 which rotate along a support shaft.

As a result, in the positional relationship among the members constituting the disk reproducing mechanism which are weak against vibration and impact, the cartridge holder 1 which requires high dimensional accuracy is brought into contact with the outside only by the vibration-proof rubber 31 at the disk reproducing position. Has become.

The lower surface 35a of the main board 35 is also provided.
Is provided with an adjusting knob (not shown) for adjusting the main substrate 35 and the disc reproducing mechanism portion 47 at the same time at the position where they can be exposed to the outside of the unit in the above unit state. After the adjustment with the disc reproducing mechanism 47, it may be directly attached to the cabinet 37 and the lid 38, so that there is no need to provide a space for providing an adjusting knob between the cabinet 37 and the main board 35 fixed to the cabinet 37. . As a result, the size of the device can be reduced.

The lever 33 is shown in FIGS. 12 (a) and 12 (b).
As shown in FIG. 3, an arm 39 is provided on the frame 32 so as to be pivotally supported by a support shaft 32a, and one end of which is pivotally supported by a support shaft 33b at a substantially central position of the lever 33. At the other end of the arm 39, the frame 32
A slide shaft 45 is provided so as to be inserted into the slide hole 32b formed in the hole, and is configured to be slidable in the directions of arrows C and D. The size of the slide hole 32b determines the rotation range of the lever 33.

An open / close connecting lever 40 is provided between the frame 32 and the lever 33, and an attachment portion 32 of the frame 32 is provided.
It is rotatably attached to c. A guide hole 40b is formed at a position into which the guide shaft 46 attached to the lever 33 can be inserted, in a substantially central portion of the open / close connecting lever 40, and the guide shaft 46 slides in the guide hole 40b. It is supposed to do. As a result, when the lever 33 rotates in the direction of arrow H, the open / close connecting lever 4
While 0 rotates in the arrow G direction, when the lever 33 rotates in the arrow G direction, the open / close coupling lever 40 rotates in the arrow H direction.

A bending portion 40a, which is inserted into the rear side of the chassis 2 so as to be interlocked with the rotation of the lever 33 in the directions of arrows H and G, is provided at the opposite end of the mounting portion 32c of the opening / closing connection lever 40. It is provided.

Bending portion 40a of the opening / closing connecting lever 40
Is inserted into a notch 2b formed on the outer edge of the chassis 2 on the end side in the direction of arrow B, and is interlocked with the opening and closing of the lid 38 described above. When the lid 38 is opened, When the lid 38 is moved and is closed, the lid 38 is moved in the arrow C direction. It should be noted that the bending portion 40a does not contact any member at the disc reproducing position as shown in FIG. 9A so as not to transmit external vibrations / impacts to the disc reproducing mechanism 47. Provided on the lid 38
9 (b) and 9 (c) in the process of being released, it is provided so as to move in the direction of arrow D and come into contact with the second arm portion 28b of the kick-out lock release lever 28. Has been.

The relationship between the amount S of movement of the cartridge in the cartridge holder and the urging force W applied to the cartridge 41 in the vertical direction will be described below with reference to FIGS. 13 and 6 and 7.

FIG. 13A shows the relationship between the movement amount of the cartridge 41 and the urging force in the cartridge holder 1 in this embodiment. That is, the cartridge 4
At the position S ₁ where the tip of the cartridge ₁ reaches the tip 7b of the cartridge pressing lever 7 in the direction of arrow C, the urging force F ₁ applied to the cartridge 41 in the vertical direction is zero. Further, when the cartridge 41 is inserted into the cartridge holder 1, the tip end portion of the cartridge 41 reaches the position S _{2 at} which the tip end portion 7c of the cartridge pressing lever 7 in the arrow D direction and the cartridge pressing spring 8 start to be contacted. Position S
Until just before ₂ , the above-mentioned urging force F ₁ remains 0. Then, after the cartridge 41 reaches the contact start position S ₂ , the biasing force F ₂ is applied from the vertical direction (thickness direction) of the cartridge 41. This urging force F ₂ is applied to the cartridge pressing lever 7 at the cartridge storage completion position S _3.
And the cartridge holding spring 8
It becomes equal to the urging force when 1 is urged.

On the other hand, FIG. 13B shows the relationship between the amount of movement of the cartridge and the urging force in the cartridge holder 101 having the structure disclosed in the above-mentioned prior art. That is, as shown in FIG. 17, at the position S ₁ ′ where the tip of the cartridge reaches the cartridge pressing spring 102, the urging force F ₁ ′> 0 applied in the vertical direction of the cartridge. Then, when the cartridge is further inserted into the cartridge holder 101 and its tip reaches the position S ₂ ′ where it abuts against the cartridge pressing spring 102, the urging force by the cartridge pressing spring 102 and the cartridge pressing spring 116 is further applied. , The biasing force at this point is F ₂ '. This urging force F ₂ 'applies to the cartridge storage completion position S ₃ '.

As described above, in this embodiment, as compared with the conventional cartridge holder 101, the urging force exerted on the cartridge 41 is zero until the cartridge 41 reaches the position S ₂ immediately before the storage completion position S ₃ of the cartridge holder 1. Therefore, the work amount W = FS becomes almost 0, and the attachment / detachment of the cartridge 41 becomes smooth.

Further, the urging force applied to the cartridge 41 when the cartridge 41 is discharged in the direction of the arrow L _{2 is} opposite to the above-mentioned storing time. That is, when the cartridge 41 is slightly moved in the direction of the arrow L ₂ so that the cartridge pressing spring 8 and the tip portion 7c of the cartridge pressing lever 7 in the arrow D direction do not contact the cartridge 41, the tip portion of the cartridge pressing lever 7 in the arrow C direction. 7b and the urging force applied to the tip portion 7 in the direction of arrow D are unbalanced, and the cartridge pressing lever 7 is rotated in the direction of arrow H to a position where the urging force to the cartridge 41 is no longer applied at the tip portion 7b in the direction of arrow C. Therefore, the cartridge 41 is adapted to be biased in the vertical direction only near the completion of the cartridge storage, as in the above storage.

Next, the cartridge kicking mechanism will be described below with reference to FIGS. 14 and 15.

First, when the cartridge 41 is stored in the cartridge holder 1 from the position shown in FIG. 14, the cartridge 41 comes into contact with the tip of the arm portion 10a of the kicking lever 10, and when the cartridge 41 is further stored, the kicking lever 10 is inserted.
Is bent by the elastic force in the direction of arrow D, and the bending surface 10 of the bending portion 10b at the tip of the arm portion 10a perpendicular to the chassis 2 is bent.
The side surface 10d of c is the bent portion 2 of the kick-out lock lever 26.
It contacts the slope 26b of 6a. At this time, the side surface 10
Since a force is applied to d in the direction of arrow D, a force is applied to the slope 26d in the directions of arrow D and A. As a result, the kick-out lock lever 26 moves in the arrow A direction against the biasing force in the arrow B direction.

After that, when the slope 26b of the kicking-out lock lever 26 is interrupted, the force applied by the kicking-out lever 10 disappears, and the kicking lock lever 26 returns to its original position by the biasing force of the kicking-out lock lever 26, and the cartridge 41 is released. Even if the force for storing, that is, the force in the direction of the arrow D disappears, as shown in FIG. 15, the side surface 26d of the bent portion 26a of the kick lock lever 26 and the bent portion 10 of the kick lever 10 are removed.
The vertical bending surface 10c contacts the chassis 2 of b, and the kick-out lock lever 10 is locked.

Next, the cartridge ejecting mechanism when ejecting the cartridge 41 will be described below with reference to FIG.

First, the lid 38 in the disc reproducing apparatus.
9 is opened, the cartridge holder 1 is opened, and as shown in FIG. 9A, the bending portion 40a of the opening / closing connecting lever 40 is moved in the direction of arrow D in conjunction with the opening operation of the lid 38 and the cartridge holder 1 described above. To contact the second arm portion 28b of the kick-out lock release lever 28 and rotate the kick-out lock release lever 28 in the direction of arrow I against the biasing force. At this time, the first arm portion 28a of the kick-out lock release lever 28 comes into contact with the side surface 26g of the cutout portion 26e of the kick-out lock lever 26 in the direction of arrow A, so that the kick-out lock lever 26 resists its urging force. Move in the direction of arrow A.

Then, as shown in FIG. 9B, when the first arm portion 28a comes into contact with the slope 2c of the cutout portion 2b of the chassis 2 in the direction of the arrow A, the first arm portion 28a moves toward the arrow E. Side face 26g of the kick-out lock lever 26 while climbing the slope 2c in the direction of arrow F against the biasing force in the direction.
And the kick-out lock lever 26 is moved in the direction of arrow A. Further, when the first arm portion 28a moves in the direction of arrow A, the position of the first arm portion 28a with respect to the chassis 2 becomes higher than the side surface 26h, and the contact state with the side surface 26g of the kick lock lever 26 is released. Then, the kick-out lock lever 26 returns to the initial positioned state by the urging force. Then, as shown in FIG. 9C, the first arm portion 28a is positioned as a cartridge attachment / detachment position while riding on the side surface 2d of the chassis 2.

The kick-out lock lever 26 during the above operation
Since the bent portion 26a protruding to the surface of the chassis 2 also moves in the direction of the arrow A, the end surface 26d and the bent surface 10c do not come into contact with each other, the kick lever 10 is unlocked, and the kick lever 10 is attached. The force causes the cartridge 41 to move in the direction of arrow C, and the urging force at this time causes the cartridge 41 to move in the direction of arrow C and kicks out.

After the completion of these operations, the kick-out lock lever 26 is in the initial state, that is, in the state of being biased in the direction of the arrow B and positioned by the side face 26c and the chassis 2, as described above. It is possible to lock the delivery lever 10.

When the lid 38 and the cartridge holder 1 are closed, the open / close coupling lever 40 moves in the direction of arrow C, and the kick-out lock release lever 28 returns to the initially positioned position by its urging force. .

Next, the pull-in lock mechanism will be described with reference to FIG.
This will be described below with reference to FIG.

The retracting lock mechanism described above automatically closes the cartridge holder 1 when the lid 38 is closed to a certain position with respect to the cabinet 37 when the cartridge holder 1 is closed.

FIG. 16A shows the standby position of the substantially triangular bent portion 1d of the cartridge holder 1 when the cartridge 41 is attached / detached, and the bent portion 1d is provided on the chassis 2. When inserted into the substantially rectangular perforation 22a formed in the holder receiving member 22, the inclined surface 1h of the bent portion 1d contacts the arm 24a of the holder lock spring 24. Further, when the bent portion 1d is inserted, the arm 24a moves in the direction of arrow C along the inclined surface 1h as shown in FIG. 16 (b). Then, when the bent portion 1d is further inserted, the arm 24a goes over the apex 1i of the bent portion 1d and contacts the slope 1j as shown in FIG. 16 (c).

Since the arm 24a has an urging force in the direction of arrow D, a force for urging the slope 1j in the direction of arrow F acts, and as a result, the cartridge holder 1 is moved in the direction of arrow F. Pull it in the direction and move it to the specified playback position.

Further, at this reproducing position, since the bent portion 1d is biased in the direction of arrow D, the cartridge holder 1 is in a locked state in which it cannot rotate.

On the other hand, when the cartridge holder 1 is opened, the locked state shown in FIG.
When the cartridge holder 1, that is, the bent portion 1d is moved in the arrow E direction, the arm 24a moves in the arrow C direction along the slope 1j against the biasing force of the arm 24a in the arrow D direction. Further, when the bent portion 1d is moved in the arrow E direction, the arm 24a gets over the apex 1i of the bent portion 1d, and thereafter, the sloping surface 1h is attached in the arrow E direction by the urging force of the arm 24a in the arrow D direction. The force to act is exerted, and as a result, the cartridge holder 1 is moved to the arrow E
It will be pushed in the direction.

The opening / closing operation of the shutter 43 of the cartridge 41 and the attaching / detaching operation of the cartridge 41 in the disk reproducing apparatus having the above-mentioned structure will be described below with reference to FIGS. 1, 6 and 7.

First, the shutter 43 of the cartridge 41
When the cartridge 41 is housed in the cartridge holder 1 as shown in FIG. 1, the cartridge 41 contacts the tip portion 9a of the shutter spring 9 fixed to the cartridge holder 1. The tip 9a moves in the direction of the arrow B, and when the cartridge 41 is further inserted, the bent portion 1c of the cartridge holder 1 becomes the groove 41 of the cartridge 41 shown in FIG.
b into the arm 44 of the shutter lock lever 44.
While pressing a, it abuts the side surface 43b of the shutter 43 and slides the shutter 43 in the direction of arrow K ₁ . Then, when the cartridge 41 is inserted to the storage completion position, the window 41a of the cartridge 41 is opened.

At this time, the tip portion 9 of the shutter spring 9 is
a is a substantially rectangular hole 4 formed on the shutter 43.
This state is maintained up to the position where the cartridge 41 is completely stored in the cartridge 3a. The tip portion 9a of the shutter spring 9
Has a substantially triangular shape and, when entering the above-mentioned substantially rectangular hole 43a, abuts on both end faces of the substantially rectangular hole 43a in the storing / discharging direction. In this state, the shutter spring 9 moves in the direction of arrow A toward the shutter 43. Since the shutter is biased,
A biasing force is applied to 3 in the three directions of arrow A and arrows C and D. Therefore, the shutter spring 9 regulates the position of the shutter 43 after the cartridge 41 is completely stored.

Next, when the cartridge 41 is discharged from the storage completion position in the direction of the arrow L _{1, the} shutter 43 is slid in the direction of the arrow K ₂ by the urging force of the shutter spring 9 and locked by the shutter lock lever 44. . Then, the discharge is completed in that state.

Next, the attaching / detaching operation of the cartridge 41 to / from the cartridge holder 1 will be described.

First, when the cartridge 41 is stored in the cartridge holder 1, it comes into contact with the tip portion 7b of the cartridge pressing lever 7 in the direction of arrow C. At this time, since the cartridge pressing lever 7 is rotatable in the directions of the arrows H and G around the mounting portion 7c, it is rotated in the direction of the arrow H to a position where the cartridge 41 is not biased.

Further, when the cartridge 41 is stored,
The cartridge pressing lever 7 comes into contact with the tip portion 7c in the direction of the arrow D, and as described above, the cartridge pressing lever 7 is
Arrow G to the position where the cartridge 41 is not biased
Rotate in the direction. However, this arrow C direction tip portion 7b
Comes into contact with the cartridge 41, and as a result, the arrow C
The cartridge pressing lever 7 is positioned at a position where the urging force applied to the direction end portion 7b and the urging force applied to the arrow D direction tip portion 7c are balanced.

Further, in the cartridge 41, when the cartridge 41 comes into contact with the tip portion 7c of the cartridge pressing lever 7 in the direction of arrow D, the cartridge pressing spring 8 attached to the opposite side of the cartridge holder 1 also contacts the cartridge 41. It is touched and urged. Therefore, the cartridge 41 is not regulated in the vertical direction up to the vicinity of the completion of the storage of the cartridge, and after the completion of the storage of the cartridge, the cartridge 41 is urged in the direction of the arrow F at three places to be regulated in position and the reproduction of the disc 42 is started. It

After that, when the reproduction of the disk 42 is completed, the cartridge 41 is slightly moved in the direction of arrow C by the operation opposite to the above, and the cartridge pressing spring 8 and the tip portion 7c of the cartridge pressing lever 7 in the direction of arrow D are moved. When the cartridge 41 does not come into contact with the cartridge 41, the balance of the urging force applied to the tip portion 7b of the cartridge pressing lever 7 in the arrow C direction and the tip portion 7 in the arrow D direction is lost, and the urging force to the cartridge 41 is exerted at the tip portion 7b of the arrow C direction. The cartridge pressing lever 7 rotates in the direction of arrow H to the position where it is no longer applied. At this time, the lid 38 is opened, the cartridge holder 1 is placed in the cartridge attaching / detaching state, and the cartridge 41 is attached / detached.

The opening / closing operation of the lid 38 and the cartridge holder 1 will be described with reference to FIG. 11. At the disc reproducing position, as shown in FIG.
Cartridge holder 1, lid 38 and lever 33
34 has a configuration capable of forming a constant gap.

When closing the lid 38, the upper surface of the cartridge holder 1 is pushed to the inside of the lid 38 to a certain position and closed. At this time, since a certain gap is required between the lid body 38 and the cartridge holder 1, even if the lid body 38 is pushed to the closed position of the cabinet 37, the cartridge holder 1 does not reach the disc reproducing position. For this reason, the cartridge holder 1 is provided with the above-mentioned lid 38 by the disk reproduction mechanism portion 47 and the above-mentioned holder pull-in lock mechanism provided in the cartridge holder 1.
The disc playback position is automatically reached after the disc is closed to a certain position. In the process of opening the lid 38, the bent portion 33a of the lever 33 and the bent portion 34a of the lever 34 engage with the bent portions 1e and 1f of the cartridge holder 1, respectively. It is designed to open in tandem.

In the above structure, the cartridge kick-out lock lever, the cartridge kick-out lock release lever, and the cartridge kick-out means, which are conventionally provided in the cartridge holder, are provided in the chassis 2 provided with the disc reproducing mechanism section 47. Has been. This allows
Since the cartridge holder 1 can be made thin according to the thickness of the cartridge 41, the device can be made thin and compact.

The kick-out lever 10 has elasticity and is directly locked by the cartridge kick-out lock lever 9. As a result, the kick-out lever 10
The configuration can be simplified, and the entire device can be simplified and the device can be downsized.

Further, when the cartridge 41 is mounted on the cartridge holder 1, the urging force applied to the cartridge 41 in the thickness direction is applied immediately before the completion of the accommodation of the cartridge 41, and the completion of the accommodation from the start of the insertion of the cartridge. The urging force is not added until just before. As a result, the initial load of mounting the cartridge 41 on the cartridge holder 1 is eliminated, and the cartridge 41 can be smoothly mounted and dismounted, so that the operability of the apparatus can be improved.

Further, the disc reproducing mechanism section 47, the main board 35, and the main board 35 are exposed so that the main board 35 is exposed.
Since the flexible substrate 36 and the frame 32 are unitized, they are fixed to the cabinet 37 in this unitized state. As a result, it becomes possible to adjust the unitized disk reproducing mechanism 47 and the main board 35 before being fixed to the cabinet 37, and the efficiency of the adjusting work can be improved. Further, since it is not necessary to expose the adjusting knob to the outside, there is no need to provide a space for providing the adjusting knob between the cabinet 37 and the main board, and as a result, the apparatus can be downsized. .

[0108]

According to the disk reproducing apparatus of the invention of claim 1,
As described above, the base on which the disk reproducing means for reproducing the disk as the recording medium housed in the cartridge is attached, and the base is rotatably provided on the base to hold the cartridge in the housing direction and the ejecting direction. Guide means for guiding the cartridge, the cartridge kicking means for applying a biasing force to the cartridge in the ejecting direction immediately before the storage completion position when the cartridge is stored in the cartridge holding means, and the storage completion of the cartridge. A cartridge kick-out locking means for locking the cartridge kick-out means when the position is reached, and a cartridge kick-out locking release means for releasing the locked state of the cartridge by the cartridge kick-out locking means. , The cartridge kick-out locking means and the cartridge kick-out locking release And the step is the configuration that is provided on the base.

As a result, the cartridge holding means can be thinned according to the thickness of the cartridge, and the size of the apparatus can be reduced.

Further, as described above, the disk reproducing apparatus according to the second aspect of the present invention has a structure in which the cartridge kicking-out means is further provided on the base.

As a result, in addition to the effect of the first aspect, there is an effect that the size of the device can be further reduced.

In the disc reproducing apparatus of the third aspect of the invention, as described above, the cartridge kicking-out means has elasticity and is directly locked by the cartridge kicking-out locking means.

As a result, in addition to the effect of the second aspect, there is an effect that the structure of the cartridge kicking means can be simplified and the structure of the entire apparatus can be simplified.

As described above, the disk reproducing apparatus according to the fourth aspect of the present invention has a base on which the disk reproducing means for reproducing the disk as the recording medium housed in the cartridge is attached, and the base. A cartridge holding means which is movably provided and holds and guides the cartridge in the storing direction and the discharging direction, and when the cartridge reaches the reproducing position, the cartridge holding end of the cartridge At least two positions, that is, the portion side and the end portion side in the discharge direction, are provided with biasing means for simultaneously biasing the cartridge in the thickness direction.

As a result, the load at the time of mounting the cartridge on the cartridge holding means is eliminated, and the cartridge can be smoothly mounted and dismounted, so that the operability of the apparatus can be improved.

Further, as described above, the disk reproducing apparatus according to the fifth aspect of the invention is for reproducing the disk as the recording medium housed in the cartridge, and for driving and connecting the disk reproducing means. A disk reproduction mechanism part on which a drive / connection circuit board is mounted, a main circuit board for main circuit drive control of the entire apparatus, and the disk reproduction mechanism part mounted via a vibration / shock absorber, and the main board A mechanical attachment member for fixing the mechanical attachment member, a cabinet for fixing the mechanical attachment member, the drive / connection circuit board and the main board are connected, and vibration shock is transmitted between the cabinet and the disk reproducing mechanism section. A flexible substrate that does not Substrate, a structure in which a flexible substrate and the mechanical attachment member are unitized.

As a result, the unitized disc reproducing mechanism and the main substrate can be adjusted before being fixed to the cabinet, and the efficiency of the adjusting work can be improved. Further, since it is not necessary to expose the adjusting knob to the outside, there is no need to provide a space for providing the adjusting knob between the cabinet and the unit,
As a result, there is an effect that the size of the device can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of a disc reproducing apparatus according to an embodiment of the present invention.

2A and 2B show a cartridge accommodating a disc applied to the disc reproducing apparatus shown in FIG. 1, wherein FIG. 2A is a front view and FIG. 2B is a side view.

3A and 3B show a disc applied to the disc reproducing apparatus shown in FIG. 1, wherein FIG. 3A is a rear view and FIG. 3B is a side view.

4 is a perspective view showing a cabinet equipped with the disc reproducing apparatus shown in FIG. 1, and is a perspective view of a cartridge at an attaching / detaching position.

5 is a perspective view showing a cabinet equipped with the disc reproducing apparatus shown in FIG. 1, and is in a disc reproducing position.

6 is a front perspective view showing a disc reproducing mechanism section and a cartridge holder of the disc reproducing apparatus shown in FIG. 1. FIG.

7 is a rear perspective view showing a disc reproducing mechanism section and a cartridge holder of the disc reproducing apparatus shown in FIG.

8 is a view showing a holder pull-in lock mechanism portion provided in the disc reproducing apparatus shown in FIG. 1, where FIG. 8A is an explanatory view showing a state at a cartridge attaching / detaching position, and FIG. 10] is an explanatory diagram showing a state at a disc reproducing position.

9 is a view showing a cartridge kick-out mechanism portion provided in the disc reproducing apparatus shown in FIG. 1, wherein FIG. 9A is an explanatory diagram showing a state at a disc reproducing position, and FIG. ) Is an explanatory view showing a process from the disc reproducing position to the cartridge attaching / detaching position, and FIG.
FIG. 6 is an explanatory diagram showing a state at a cartridge attaching / detaching position.

10 is a perspective view of the disc reproducing apparatus shown in FIG. 1 in a unitized state.

11 is a cross-sectional view of the disc reproducing device in a state of being housed in the gabinet shown in FIG.

12 is a view showing the operation of a frame and a lever provided in the disc reproducing apparatus shown in FIG. 1, and FIG.
Is an explanatory diagram showing a state at a disc reproducing position, and FIG. 6B is an explanatory diagram showing a state at a cartridge attaching / detaching position.

FIG. 13 shows the relationship between the movement amount of the cartridge and the urging force applied to the cartridge in the thickness direction. FIG. 13A shows the movement amount of the cartridge of the present embodiment and the thickness direction applied to the cartridge. It is a graph showing the relationship with the urging force, and FIG. 7B is a graph showing the relationship between the movement amount of the conventional cartridge and the urging force applied to the cartridge in the thickness direction.

14 is an explanatory view showing the operation of the kicking lever at the cartridge attaching / detaching position in the disc reproducing apparatus shown in FIG. 1, and showing the unloaded state of the kicking lever. FIG.

15 is an explanatory view showing the operation of the kick-out lever at the cartridge attaching / detaching position in the disc reproducing apparatus shown in FIG. 1, and showing a state in which the kick-out lever is locked.

16 is a view showing the operation of the holder retracting mechanism provided in the disc reproducing apparatus shown in FIG. 1, and FIG. 16 (a) is an explanatory view showing the operation at the cartridge attaching / detaching position, and FIG. ) Is an explanatory view showing an operation when shifting from the cartridge attaching / detaching position to the disc reproducing position,
FIG. 7C is an explanatory diagram showing the operation at the disc reproducing position.

17A and 17B show a disc reproducing state in the conventional disc reproducing apparatus, wherein FIG. 17A is a side view and FIG. 17B is a plan view.

18A and 18B show a state in which the disc is mounted and demounted in the conventional disc reproducing apparatus, wherein FIG. 18A is a side view and FIG. 18B is a plan view.

19 is a cross-sectional view of the disc reproducing device shown in FIGS. 17 and 18 at a disc reproducing position.

[Explanation of symbols]

1 Cartridge Holder (Cartridge Holding Means) 2 Chassis (Base) 7 Cartridge Holding Lever (Cartridge Energizing Means) 8 Cartridge Holding Spring (Cartridge Energizing Means) 10 Kick-out Lever (Cartridge Kick-out Means) 11 Spindle Motor 18 Pickup ( Disc playing means) 26 kick-out lock lever (kick-out locking means) 28 kick-out lock release lever (kick-out locking release means) 30 mechanical board (driving and connection circuit board) 31 anti-vibration rubber (vibration / shock absorber) ) 32 frame (mechanical mounting member) 35 main board 36 flexible board 37 cabinet 41 cartridge 42 disk

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshio Katayama 22-22 Nagaike-cho, Abeno-ku, Osaka-shi, Osaka Within Sharp Corporation (72) Sadao Uchiyama 22-22 Nagaike-cho, Abeno-ku, Osaka-shi, Osaka Within the corporation

Claims (5)

[Claims] 1. A base on which a disk reproducing means for reproducing a disk as a recording medium housed in a cartridge is attached, and a base rotatably provided on the base to hold the cartridge in a storing direction and a discharging direction. And cartridge guiding means for guiding the cartridge when the cartridge is stored in the cartridge holding means, and a cartridge kicking-out means for applying a biasing force to the cartridge in the ejection direction immediately before the storage completion position, and the cartridge is completely stored. A cartridge kick-out locking means for locking the cartridge kick-out means when the position is reached, and a cartridge kick-out locking release means for releasing the locked state of the cartridge by the cartridge kick-out locking means. , The cartridge kick-out locking means and the cartridge kick-out locking solution Disc reproducing apparatus in which a unit is characterized in that provided on the base. 2. The disc reproducing apparatus according to claim 1, wherein the cartridge kicking-out means is further provided on the base. 3. The disk reproducing apparatus according to claim 2, wherein the cartridge kick-out means has elasticity and is directly locked by the cartridge kick-out locking means. 4. A base to which a disk reproducing means for reproducing a disk as a recording medium housed in a cartridge is attached, and a base rotatably provided on the base to hold the cartridge in a storing direction and a discharging direction. And a cartridge holding means for guiding the cartridge. When the cartridge reaches the reproducing position, the cartridge holding means is provided at least at two positions, that is, the storing direction end side and the discharging direction end side of the cartridge. A disk reproducing device, characterized in that it is provided with an urging means for urging the two simultaneously in the thickness direction. 5. A disk reproducing mechanism section having a disk reproducing means for reproducing a disk as a recording medium housed in a cartridge, and a drive / connection circuit board for driving and connecting the disk reproducing means, A main board for a main circuit that drives and controls the entire apparatus, a mechanical mounting member that mounts the disk reproduction mechanism section through a vibration / shock absorber, and affixes the main board, and a cabinet that secures the mechanical mounting member. And a flexible board that connects the drive / connection circuit board and the main board and does not transmit vibration and shock between the cabinet and the disk reproducing mechanism section, so that the main board is exposed. In addition, the disk playback mechanism section, main board, flexible board, and mechanical mounting member described above are included in the unit. Disk reproducing apparatus characterized by being.