JPH03214457A - Cartridge holder elevation mechanism for disk drive - Google Patents

Abstract

PURPOSE:To improve operability in an ejecting operation by eliminating the mounting work of another member by comprising a plate shape guide to be elevated of part of sheet metal comprising a cartridge holder. CONSTITUTION:Plate shape guide parts 12 to be elevated are formed by erecting in a horizontal direction at both end parts at the front and rear of a pair of side plates 22, 23 on a top face plate 21 formed with the metallic plate of the cartridge holder 5, and a roller mounting piece 26 is formed by erecting in a perpendicular direction in the center part. The holder 5 is mounted so as to be elevated in the perpendicular direction on a chassis 28 by mounting a roller 27 on the roller mounting piece 26, and mounting the roller 27 on the right and left side walls 29, 30 of the chassis 28, and also, the guide part 12 to be elevated is fitted in a cam groove 11 provided at a slide plate 9. The holder 5 can be elevated in the perpendicular direction by reciprocating the plate 9. When the holder 5 is ascended, a head arm 34 is turned so as to lift a head arm 34 with an operating part 32 provided at the top face plate 21 via a holder abutting piece 33, and a head 16 can be unloaded.

Description

[Detailed description of the invention] The present invention will be explained in the following order.

A. Industrial application field B. Summary of the invention C. Prior art D. Problems to be solved by the invention E. Second means of solving the problemF. ActionG. Example G, . Schematic configuration of disk drive G2. Configuration of cartridge holder elevating mechanism G3. Cartridge holder configuration G4. Slide plate configuration G5. Configuration of shutter opening/closing arm Go. Turntable configuration Gt. Head carriage, carriage horn drive mechanism, and other configurations Gs. Effects of the Embodiments H Effects of the Invention A, Industrial Field of Application The present invention has the following advantages: When a slide plate is reciprocated, an inclined lifting guide provided on the slide plate moves the slide plate back and forth.
The cartridge holder is moved up and down between the cartridge insertion position and the cartridge mounting position (This is a description of the lift mechanism of the disk drive.

B. Invention S Wl Summary The present invention provides a kite portion to be lifted and lowered, which is provided on both sides of a cartridge holder that is movable in a direction perpendicular to the cartridge insertion direction between a cartridge insertion position and a cartridge installation position. In the cartridge holder elevating mechanism of a disk drive, which is provided on a slide plate that reciprocates in a direction parallel to the cartridge insertion direction, and an elevating guide section that is inclined at a predetermined angle with respect to the varnish light direction, By cutting out a part of the sheet metal constituting the cartridge and forming a flat plate-shaped kite part to be lifted and lowered integrally with the cartridge holder, it is possible to eliminate the troublesome work of attaching a guide part to be lifted and lowered such as a guide roller (roller) to the cartridge holder. In addition to making it possible to omit the work process, by making the lifted/lowered guide part flat, the inclination angle of the lifted/lowered kite can be made gentler compared to when a guide roller is used for the conventional lifted/lowered guide part. This allows us to improve the operability when injecting.

C. Conventional technology As shown in Figures 10 to 11, a cartridge holder elevating mechanism of a disk drive is capable of moving between a cartridge insertion position P1 and a cartridge mounting position P2 in a direction perpendicular to the cartridge insertion direction. Elevated/lowered guide portions 103, 103 provided at the front and rear ends of both side plates 102 of the cartridge holder 101, and a slide plate 104 that reciprocates in a direction parallel to the cartridge insertion direction.
The slide plate 1 is made up of lifting guide portions 106, 106 provided at the front and rear ends of a temporary 105 on both sides of the slide plate 1.
04 moves to the forward movement position (advance position) P3, the inclined elevating guide portions 106, 106 move the elevating guide portion 1
03,103 is pushed up and the cartolino holder! 01
When the cartridge rises to the insertion position P1 and, contrary to this, the slide plate 104 moves to the return position (retreat position) P4, the elevation guide portions 103, 103 are moved by the inclined elevation guides 106, 106. A cartridge lithium holder elevating mechanism is known in which the cartridge lithium holder 101 is moved down to the cartridge mounting position P when the cartridge is pressed down.

In addition, +07 is a 1-piece guide provided on the steering wheel for raising and lowering the cartridge holder 101 in a direction perpendicular to the moving direction of the slide plate 104, and +08 is an inoect button.

D. Problems to be Solved by the Invention However, in the conventional cartridge holder elevating mechanism of this type, a guide roller (roller) is generally used as the elevating guide portion I03.103, and the guide roller is connected to the side plate of the cartridge holder +01. 102, there were problems as described below.

(1) Since a guide roller is used, the constant number of its parts increases, and the guide roller is attached to the cartridge holder +0
Since a work step for attaching the first side plate 102 to the first side plate 102 is required, the production cost increases.

(2) As shown in FIG. 12, the stroke amount X of the slide plate 104 is determined by the center position OI of the guide roller as the raised/lowered guide at the cartridge insertion position and the center position 02 of the guide roller at the cartridge mounting position. The lifting amount Y of the cartridge holder 101 is determined, and the inclination angle θ+ = jan- of O + 0 2 is determined.
'Y/x, but since guide rollers are used, the inclination angle θ of the elevating guide parts 103, 103 is larger than the inclination angle θ1, and the eject button 108 required for ejecting is correspondingly The pressing force increases,
Operability deteriorates.

The present invention has been made for the purpose of solving the above-mentioned conventional problems.

E. Means for Solving the Problems A cartridge inserting position and a cartridge mounting position are provided with elevating and lowering guide portions provided on both sides of a cartridge that is movable in a direction perpendicular to the cartridge insertion direction; It consists of a lifting kite that is installed on a slide plate that reciprocates in a parallel direction and tilts at a predetermined angle with respect to the reciprocating direction of the slide plate.When the slide plate is moved forward, the kite to be lifted and lowered is moved by the inclined lifting guide. When the slide plate is moved backward, the elevating guide is pushed down by the inclined elevating guide, and the cartridge holder is moved to the cartridge insertion position. In the cartridge holder lifting and lowering mechanism for a disk drive which is configured to be lowered to a mounting position, a part of the sheet metal constituting the cartridge holder constitutes a flat plate-shaped raised and lowered kite portion.

F. The lifted and lowered kite portion integrated with the cartridge holder can be formed by a simple method of cutting and raising a part of the sheet metal constituting the working cartridge holder using a press or the like.

Also, the elevating guide part is formed into a flat plate shape! Second, the inclination angle of the lifting guide can be made smaller compared to the case where a kite roller (roller) is used for the conventional lifting guide.

G. Embodiment G1 Schematic Structure of Disk Drive FIG. 1 is a perspective view of the disk drive with the printed circuit board removed, FIG. 2 is a plan view thereof, and FIG. 3 is an exploded perspective view. In this disk drive I, when a disk cartridge cartridge 2 is inserted into a cartridge holder 5 from a cartridge insertion opening 4 of a front panel 3, a shutter opening/closing arm 6 attached to the cartridge holder 5 rotates while the disk cartridge 2 is inserted into a cartridge holder 5. When the shutter 7 is opened, the slide plate lock lever 8 is pressed by the front end surface of the disk cartridge 2 in the insertion direction, and the slide plate 9 is released from the lock by the lock lever 8, or the spring force of the slide plate return spring 10 causes the slide plate lock lever 8 to be pressed. The raised/lowered guide parts I2...I2 and these raised/lowered kites are slid in the halter loading direction along the inclined lifting guide parts 1l and II for raising and lowering the holder provided on the left and right sides of the sleight plate 9. The cartridge holder 5 provided with part I2 and l2 is lowered in the vertical direction, and the hub l4 of the disk 13 in the disk cartridge 2 inserted into the cartridge holder 5 is mounted on the turntable 15 provided on the shearing side. At the same time, the head 16 is brought into contact with the disk 13 mounted on the turntable l5.

Then, while rotating the turntable l5 and the disk 13 by the rotary drive operation mechanism 17, the head 16 is rotated.
Recording and reproduction are carried out by moving the head carriage l8 in the radial direction of the disk l3 by means of a carriage drive mechanism 19.

G2. Composition of Cartridge Holder Elevating Mechanism As shown in FIG. 4, the cartridge holder elevating mechanism is a cartridge movable in a direction perpendicular to the cartridge inserting direction A between the cartridge inserting position P1 and the car 1 lino mounting position P2. Elevated and lowered guide portions 12.12 provided at the front and rear ends of both side plates 22.23 of the polder 5, and a slide plate 9 that reciprocates in a direction parallel to the cartridge inserting direction.
Both side plates 62 and 63 are composed of inclined groove-shaped lifting guide parts 11 and II provided at the rear end, and these lifting guide parts 11 and 11 are provided with lifting guide parts 11 and II provided on the cartridge holder 5. A cartridge holder lifting mechanism is constructed by inserting the guide part 12.12.

When the slide plate 9 is at the forward movement position P3 shown by the solid line in FIG.
When the raised and lowered guide parts 12 and 12 are pushed up and the cartridge holder 5 is raised to the cartridge insertion position P, and the slide plate 9 is in the backward movement position P4 shown by the two-dot chain line in FIG. Groove-shaped lifting guide part 1
1.1L) to push down the lifting and lowering Kaitoro 12, 12, and move the cartridge holder 5 to the cartridge mounting position P,
It is designed to be lowered.

The lifting/lowering guide portion 1 2.1 2 shown in nFj is formed by cutting and raising a part of the sheet metal that constitutes the cartridge inserting direction, and forming it into a flat plate shape parallel to the cartridge insertion direction. As shown in Figure 5, the inclination angle change θ2 of the lifting kite section 11.
/ I try to make it X.

In addition, the elevating kite part 12.12 is designed so that the direction of the elongation is directed upward in order to prevent the so-called elongation that occurs when cutting and raising it from interfering with the inclined surface of the elevating kite part 11.11. After punching or removing the tension, attach the lifting guide part 11.11 to the lifting kite part 12.
．． 12 slides smoothly.

Structure of G3 Cartridge Holder As shown in FIG.
A pair of side masks 22.2 are installed on both the left and right sides of l, and f is a pair of left and right sides.
3 and the pair of left and right side surfaces 22 and 23 are connected to each other on the lower end side, and are formed into a front opening shape by a pair of lower plates 2425, so that the disk cartridge 2 can be inserted through the opening on the front side. At the front and rear ends of the pair of left and right side plates 22 and 23, flat plate-shaped raised and lowered guide parts 12 and 12 are respectively cut and raised in the horizontal direction. A roller mounting piece 26 is cut and raised in the vertical direction.

Rollers 27 are attached to the moeki roller attachment piece 26, and by attaching these rollers 27.17 to the lifting guide holes 3l provided on the left and right side walls 29.30 of the yarn yarn 28, the cart lithographic polder 5 The navigation slide plate 9 is provided with guide parts 12.12 to be raised and lowered, which are mounted on the yarn yarn 28 so as to be vertically vertically movable, and which are provided at the front and rear ends of the left and right side plates 22.23. By fitting into the cam grooves 11.11 and reciprocating the slite plate 9, the cartridge holder 5 is vertically moved up and down.

When the cartridge holder 5 is raised, the head arm 34 is lifted and rotated via the holder abutting piece 33 by the head operating member 32 formed on the top surface 21 of the holder 5. The head I6 is mounted on the lower surface of the tip side (free end side) of the belly button arm 34.
or become unloaded.

When the cartridge holder 5 is lowered, the head arm 34 is also lowered together with the cartridge holder 5, and the head 16 attached to the lower surface of the tip side of the head arm 34 is mounted on the turntable 15. The upper surface of the disk I3 is contacted. When the head I6 comes into contact with the upper surface of the disk 13, the head arm 34 does not descend any further, and only the rig holder 5 further descends slightly. The holder contact piece 33 provided on the head arm 34 is in a non-contact state, and the head carriage I8 can be moved without contact resistance between the two.

G. ．． G. Structure of Slide Plate As described above, the slide plate 9 is for vertically lowering and raising the cartridge holder 5 between the cartridge inserting position and the cartridge mounting position, that is, loading and unloading. It is slidably attached, and the cartridge holder 5 is loaded by sliding in the disk cartridge insertion direction, and the cartridge holder 5 is unloaded by sliding in the disk cartridge ejection direction. The slide plate 9 is moved back in the loading direction by the traction force of the slide plate return spring 10.

As shown in FIG. 3, the slide plate 9 is formed into a front opening shape by a metal bottom plate 61 and left and right side plates 62 and 63 formed by bending the left and right sides of the bottom plate 61 at approximately right angles. These left and right side plates 62.
Inclined lifting kites II and II for lifting and lowering the holder are formed at the rear end of the holder 63, respectively. As described above, these lifting and lowering kite sections 11, . +1 are fitted with the lifting guide parts I2l2 formed at the front and rear ends of the left and right side plates 22.23 of the cartridge holder 5. When it is located at the lower end side, the cartridge linon holder 5 is at the cartridge attachment position and is in the loading state, and the lifted/lowered kite part 12.12 is moved to the lifting guide part +
1, II, the cartridge holder 5 is at the cartridge insertion position and is in the unloading state.

The slide plate 9 has a slide plate return spring 1
Normally, the cartridge holder 5 is moved in the loading direction with a spring force of 0, and the cartridge holder 5 is in the loading state.

Therefore, in the loading state of the cartridge holder 5, the eject button 64 attached to one end of the slide plate 9 is pressed, and the slide plate 9 described in ii7j is pressed.
If the slide plate is slid in the unloading direction against the spring force of the return spring lO, the lifting guide part I
The guide part 12 to be lifted and lowered along the inclined surface on the lower end side of I and II.
．． 12 was pushed up, the cartridge holder 5 rose to the cartridge insertion position and entered the unloading state, and the slide plate 9 was locked by the lock plate locking piece 65 of the slide plate lock lever 8 and prevented from returning. become a state.

In the unloading state of the cartridge holder 5, if the disk cartridge 2 is inserted into the cartridge holder 5, the disk cartridge 2
It is opened by the Noyasota 7 and the Anyasota opening/closing arm 6,
When the disk cartridge 2 is further inserted, the distal end surface of the disk cartridge 2 in the insertion direction presses the pressed portion 66 of the slide plate lock lever 8, and the slide plate lock lever 8 engages the pivot shaft erected on the noar 728. 67 in the clockwise direction in FIG. 3, the lock of the slide plate 9 by the candle plate locking piece 65 is released. The unlocked slide plate 9 slides in the loading direction by the spring force of the slide plate return spring IO, and pushes down the lifted/lowered guide part 12.12 along the inclined surface of the lifted/lowered guide part 11.11. The holder 5 is lowered to the cartridge mounting position and placed in a loading state.

The slide plate opening lever 8 is the same as the Shano 2 mentioned above.
The slide plate locking piece 65, the pressed portion 66, and the spring locking piece 69 are provided at an interval of approximately 90° on the outside of the bearing portion 68, into which the pivot shaft 67 is inserted, which is erected on the bearing portion 68. The coil spring 70 locks one end of the spring locking piece 69 and locks the other end of the spring locking piece 69 to the yarn 28 side, so that it can rotate clockwise and counterclockwise and automatically return. installed.

When the slide plate 9 slides in the loading direction, the front end 72 of the slide plate locking piece 65 is pushed by the front locking portion 7l provided on the slide plate 9, and the front end 72 of the slide plate locking piece 65 is pushed. The cut lever 8 first escapes and rotates clockwise against the spring force of the coil spring 70, and when the pressure from the locked portion 71 is released, the slide plate opening lever 8 is rotated by the spring force of the coil spring 70. When the slide plate is rotated back, the slide plate locking piece engages with the back side of the locking stopper 71 to prevent the slide plate 9 from sliding in the loading direction by the slide plate return spring 10. When the disk cartridge 2 is inserted into the cartridge holder 5 in this state, the pressed portion 66 is pressed by the front end surface of the disk cartridge 2 as described above, the slide plate lock lever 8 rotates, and the slide plate 9 This will unlock the .

G5. Structure of the shutter opening/closing arm As shown in FIG. 6, the shutter opening/closing arm 6 includes an arm main body 41 having an S-shape in plan, an opening/closing operating section 42 provided at one end of the arm main body 4l, A rotation center shaft forming portion 43 provided at the other end of the arm main body portion 41
A pair of rotation center shafts 44 and 45 protruding from the upper and lower surfaces of the rotation center forming portion 43, and a pair of rotation center shafts 44 and 45 protruding from the upper and lower surfaces of the rotation center forming portion 43, and an approximately right angle with the arm body 41 on the side of the rotation center shaft forming portion 43. The arm main body part 41, the opening/closing operation part 42, the rotation center shaft forming part 43, the rotation center shafts 44, 45, and the sprinkling locking part 46 are integrally formed with a plastic plate. It is formed.

The wall thicknesses of the arm main body portion 4I, the rotation center shaft forming portion 43, and the sprinkling locking portion 46 are formed to be slightly smaller than the gap between the upper surface plate 21 and the lower surface temporary portion 22, 23 of the cartridge holder 5, The lengths of the opening/closing operation part 42 and the rotation center shaft 44.45 are formed to be slightly thicker than the gap between the upper surface side 21 of the cartridge holder 5 and the lower surface plate 22.23, and the length of the rotation center shaft 44. Axis 44.45
is formed in a so-called rectangular shape with a difference in width W and length Q, and is formed with the length direction facing the direction of the Nyanota opening/closing operation part 42.

As shown in FIG. 7, the length direction of the pair of rectangular upper and lower rotation center shafts 44 and 45 of the Moekinoyasota opening/closing arm 6 is arranged substantially parallel to the side plate 23 of the cartridge holder 5. And these upper and lower pair of rotation center axes 44.45
The rotation center shaft 44. is inserted into the shaft introduction hole 47, which has a width slightly wider than the width W of the rotation center shaft 4.4. Bearing hole 4 with a diameter slightly thicker than the length Q of 45
8, and then rotate it by a predetermined angle counterclockwise in FIG.
As shown in the figure, it fits into a notch window 49 provided on the top plate 2l of the cartridge holder 5 for regulating the rotation range of the Noyatta opening/closing arm.

When the upper end of the shutter opening/closing operation section 42 is fitted into the notch window 49, the rotation center shaft 44.45 and the shaft introduction hole 47 are misaligned, and the shaft introduction hole The rotation center shafts 44 and 45 are prevented from coming off from the shaft 17.

The opening/closing arm 6 installed in the cartridge holder 5 as described above has one end locked by the spring lock 46, and the other end attached to the top plate 2l of the cartridge holder 5 and connected to the spring lock. A rotational force is applied clockwise in FIG. 8 by the spring force of the coil spring 5I that is locked to the stopper 50, and the upper end of the lower opening/closing operation part 42 is attached to one side of the cutout window 49. are in contact.

If the disk cartridge 2 is inserted into the cartridge holder 5 in this state, the opening/closing operation part 42 will fit into the recess 52 provided in the disk cartridge 2 for receiving the shutter opening/closing pin, and then the disk cartridge 2 will be inserted into the cartridge holder 5.
8, the Nyatta opening/closing arm 6 opens the shutter 7 using the shutter opening/closing operation part 42 while rotating counterclockwise in FIG. .

Ge. Structure of the turntable The turntable l5 has a disk 13 as shown in FIG.
It consists of a chuck yoke 81 on which the hub 14 is placed, and a disc 82 for increasing the intensity attached to the outer circumference of the chuck yoke 8I.

The chuck yoke 8l is made of plastic magnetized by mixing ferrite or the like, so-called plastic mag.
A rotating shaft 83 is attached to the central part, and
A drive pin 84 is provided at the eccentric position, and the lower end of the rotating shaft (spindle shaft) 83 is rotatably attached to the chassis 28 via a bearing 85. Then, as described above, when the cartridge holder 5 into which the disc cartridge 2 is inserted is lowered or loaded,
Hub I4 of disk I3 in said cartridge holder 2
is attracted to the chuck yoke 81, and the upper ends of the rotating shaft 83 and the driving pin 84 are fitted into two bearing holes and a pin receiving hole provided in the hub l4, respectively, so that the hub 14 is positioned and fixed on the chuck yoke 81. Thus, the rotation of the jack yoke 81 is transmitted to the hub 14 via the drive pin 84).

In addition, the disc 82 for increasing the inner diameter is made of a metal plate in the form of a link, and an inner ring member 86 and an outer ring member 87 made of plastic are attached to the inner and outer sides of the disc, respectively. By press-fitting the chuck yoke 81 into the inner circumference of the inner link member 86 as a chuck yoke fitting member, the disk 82 for increasing the inner diameter is detachably attached to the outer circumference of the chuck yoke 81. It is now possible to

Further, the outer circumference side surface of the disc 82 is covered with the outer circumference side cap 87.
It is covered in a ring shape with a continuous plastic plate 88, and a part of it is cut out to form a PG detection part 89 in which the bare surface of the metal disk 82 described in ii7I is exposed, and the PC detection part 89 is made of metal. part 89 and the plastic notebook 87
A PG detection sensor 90 attached to the Noyano 28 side detects PG by utilizing the difference in reflectance between the two.

In addition, there are several types of discs 82 for increasing inertia with different weights.
If you color it in advance, it will match the so-called knotter speck.
Can be used freely.

Then, an external rotational force is obtained from a rotary drive operation mechanism 17 consisting of a guard belt 91 suspended on the outer peripheral surface of the inner ring member 86 and a motor 92 for driving the guard belt, and a disc for increasing the 82 and the chuck yoke 81 rotate, and an operating force for an auto-eject mechanism (not shown) is obtained via the outer link member 87. Reference numeral 93 is a tension lever for applying a predetermined tension to the Gartheld 91.

G7. Head carriage, carriage drive mechanism, and other components The head carriage 18 is slidably attached to a guide shaft 94, and the navigation guide shaft 94 is attached to the navigation guide 28 by a guide shaft holder 95. The Moeki head caliper 18 is adapted to move along the guide shaft 94 in the radial direction of the disk 13 placed on the Moeki chuck yoke 8l.

The carriage drive mechanism I9 includes a motor 96, a ball shaft (helical shaft) 97 rotated by the motor 96, and a support frame 9 that rotatably supports the pole shaft 97.
It consists of 8.

Then, by rotating the pawl shaft 97 with the motor 96 while the ball shaft 97 is engaged with the pawl shaft engaging portion 99 provided on the head carriage l8, the rotational movement of the ball shaft 97 is transferred to the head carriage 18. Instead of linear movement, the head carriage 18 is slid along the guide shaft 94.

Further, the head carriage 18 is provided with a head arm support stand I00 for supporting the head arm 34, and the head arm support stand I00 is connected to the belly button arm 34 via a pivot plate 101 made of a bendable plate spring. At the same time that one end side is attached, a yohenoto 16 is attached to the lower part of the pond side (free end side).

The cartridge head arm 34 is provided with the cartridge contact piece 33 as described above, and the cartridge contact piece 33 is in contact with the head operating portion 32 of the cartridge holder 5, so that the cartridge holder 5 is When it rises to the unloading position, the pivot plate 101 made of a leaf spring is bent upward, and the head arm 34 is in an up state, so that its tip protrudes above the top plate 2I of the cartridge holder 5. It has become.

Then, a printed circuit board 102 for controlling the motor 92 of the rotary drive operation mechanism 17 and the motor 96 of the head carrying drive mechanism 19 is placed above the top plate 21 of the cartridge holder 5 that has been raised to the unloading position, and in an upward direction. The disk drive is made thinner by arranging it at a position below the tip of the head arm 34 in this state, which has conventionally not been effectively used as a dead space.

Note that 103 is a temporary metal knolt case.

Ga. Effects of the Embodiment Since the disk cartridge of the embodiment has the configuration described above, when the disk cartridge holder 5 is inserted into the cartridge inserting position and the disk cartridge 2 is inserted into the cartridge holder 5, the disk cartridge The Nyatta opening/closing operation part 42 of the Noyasota opening/closing arm 6 is fitted into the concave groove 52 provided at the tip of the opening/closing operation part 2 in the insertion direction, and the rotation center of the upper and lower pair of the Noyasota opening/closing arm 6 is fitted. The shutter 7 of the disk cartridge 2 is opened while rotating around the shafts 44 and 45.

When the disk cartridge 2 is inserted to a predetermined position, the distal end surface of the disk cartridge 2 in the insertion direction comes into contact with the pressed portion 66 of the slide plate lock lever 8 and presses the pressed portion 66, so that it slides. The plate opening solenoid lever 8 rotates around the pivot shaft 67 to release the lock of the slide plate 9 by the lock plate retaining piece 65.

The slide plate 9 which has been unlocked by the slide plate opening lever 8 is moved to the slide plate return spring I.
The hub of the disk 13 in the disk cartridge 2 inserted into the cartridge holder 5 is slid in the loading direction by the spring force of O, and the cartridge holder 5 is vertically lowered by the tilt of the lifting guide part l1. 14 is suctioned and fixed onto the channel yoke 8I of the turntable 15.

On the other hand, as the cartridge holder 5 descends, the head arm 34 also pivots! The head 16 is brought into contact with the disk surface with a predetermined pressure in a state in which the head 16 is tilted downward while rotating about 01 as a fulcrum, and is suctioned and fixed onto the hub 14 of the disk 13 or the chuck yoke 81.

Then, when the rotary drive operation mechanism 17 is turned on and the motor 92 starts rotating, the rotation of the motor 92 is transmitted to the ring-shaped disc 82 for increasing inner noise via the guard belt 9l, and the link-shaped circular disc 82 is transmitted through the guard belt 9l. Recording and reproduction are performed while rotating the rear disk yoke 817 press-fitted into the inner circumferential side of the temporary disk 82 and the disk I3 placed on the rear disk yoke 8l, and running the recording head I8.

After the recording and playback is finished, press the insert button 64 to slide the slide plate 9 in the unloading direction, and the cartridge holder 5 will rise vertically to the cartridge insertion position by the slope of the lower end of the lift guide 11. When the cartridge enters the unloading state, the slide plate 9 is locked by the slide plate lock lever 8, and the cartridge holder 5 is maintained in the unloading state.

H. Effects of the Invention As described above, in the cartridge holder elevating mechanism of the disk drive of the present invention, a flat plate-like elevating guide portion is formed from a part of the sheet metal constituting the Torino holder. There is a similar effect.

(1) A lifting guide can be formed on the cartridge holder and the body by cutting and raising a part of the sheet metal constituting the cartridge holder. Therefore, separate parts such as kite rollers are no longer required as in the past, reducing the number of parts.
Moreover, the installation work can also be made unnecessary.

(2) Since the raised/lowered guide part is formed into a flat plate shape, the inclination angle of the raised/lowered guide part can be made smaller compared to the conventional case where a guide roller is used for the raised/lowered guide part, and this makes it possible to operate during inoect. You can improve your sexuality.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the disk drive of the present invention with the printed circuit board removed from the top surface of the cartridge holder, Fig. 2 is a plan view, Fig. 3 is an exploded perspective view, and Fig. 4 is a side view of the main parts. , Figure 5 is an enlarged view of the main parts, Figure 6 is a perspective view of the Nyatta opening/closing arm, Figure 7 is a bottom view showing the installation direction of the Nyatta opening/closing arm, and Figure 8 is the bottom with the Nyatta opening/closing arm installed. FIG. 9 is a sectional view of the same, FIGS. IO to 11 are side views of the conventional example, and FIG. 12 is an explanatory diagram showing the drawbacks of the conventional example. l Disc tribe, 5...cartridge holder,
9 Slide plate, 11. Elevating kite section, 12 Elevating and descending kite section. Lonely man in Nakuni 2 Figure 5 The opening/closing arm of the V/Sog is also large and the diameter of the 2TX is 1000,000 degrees Figure 9

Claims (1)

[Claims] (1) Elevated and lowered guide sections provided on both sides of the cartridge holder that are movable in a direction perpendicular to the cartridge insertion direction between the cartridge insertion position and the cartridge installation position, and reciprocating in a direction parallel to the cartridge insertion direction. and a lifting guide part that is provided on a slide plate that tilts at a predetermined angle with respect to the reciprocating direction, and the flat plate-like lifting guide part is formed from a part of the sheet metal constituting the cartridge holder. Disk drive cartridge holder lifting and lowering mechanism.