JP2001035051A - Magneto-optical disk recording device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of part items, and to increase the degree of freedom for component arrangement. SOLUTION: This magneto-optical disk recording device 1 is designed to reproduce and/or record a signal on a magneto-optical disk 4, and is provided with a rotary-driving part for rotary-driving the magneto-optical disk, a device main body part 9 having an optical pickup for reproducing and/or recording a signal by irradiating the signal recording surface of the magneto-optical disk with a laser light, a mechanism part having a holder 10 holding the magneto- optical disk and moved between the loading position of loading the magneto- optical disk in the specified disk loading position of the device main body and an ejecting position away from the disk loading part for inserting/ejecting the magneto-optical disk, a lid body 8 for opening/closing the mechanism part, a locking mechanism for locking the lid body in a closing position closing the mechanism part and externally releasing the lock when desired, and opening inhibition means 28 and 33 for inhibiting the opening of the lid body at least during a recording operation on the magneto-optical recording disk. The means 28, 33 are provided independently of the locking mechanism.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a novel magneto-optical disk recording device. More specifically, the present invention relates to a technique for reducing the number of parts and increasing the degree of freedom in arranging parts.

[0002]

2. Description of the Related Art When recording a signal, for example, music, in a magneto-optical disk recording device, a music signal is converted into a magnetic signal, and is recorded on a magneto-optical disk as needed.
After all the music signals have been recorded, the song number information (the so-called TO
C information) is recorded, and the recording operation ends. At the time of reproduction, TOC information is searched, and a music signal is read based on the TOC information to perform a reproduction operation.

Specifically, when the user issues a recording end command by pressing a stop button or the like at the end of recording, the recording of the music signal is stopped, and then the TOC information is written. Therefore, if the recording is interrupted before the stop button is pressed, for example, when the lid is opened during the recording, the TOC information is not written and the reproduction cannot be performed.

Therefore, in order to avoid such a problem, a mechanism shown in FIGS. 11 to 14 has conventionally been adopted.

A first lever b supporting an open knob a which can be operated from the outside of the apparatus and a second lever d provided with a lock claw movably in the left-right direction and in the left-right direction. They are arranged on a chassis (not shown) of the apparatus main body with an interval e therebetween. And these 2
The two levers b and d are urged in the direction of arrow A in the figure by springs f and g. A third lever h is supported by the chassis so as to be movable in the front-rear direction, that is, in the direction of arrow B (front) and the direction of arrow C (rear) in the figure. At the front end of the third lever h, an operation connecting spring i is supported so as to protrude forward. On the other hand, an engaging portion k is attached to the lid j.

FIG. 11 shows a state at the time of stop or reproduction.
The third lever h is located at the front end of the movement range, so that the front end of the operation connection spring i is connected to the first lever b and the second lever b.
Is located in the space e between the lever d. Then, the lock claw c of the second lever d is engaged with the engaging portion k of the lid j, and the lid j is locked at the closing position.

When the open knob a is moved in the direction of arrow D in the figure from the state shown in FIG. 11, the first lever b moves in the direction of arrow D in the figure against the urging force of the spring f. Since the first lever b presses the operation connection spring i, the tip of the operation connection spring i moves in the direction of arrow D, and the operation connection spring i presses the second lever d. Thereby, the second lever d moves in the direction of arrow D against the urging force of the spring g, and the lock claw c is disengaged from the engaging portion k of the lid j (FIG. 12).
), The lock of the lid j to the closed position is released.

When a recording command is issued from the state shown in FIG. 11, the third lever h moves in the direction of arrow C in the figure, and a recording operation is performed. When the third lever h moves in the direction of arrow C, the operation connecting spring i is retracted, and the first lever h moves in the first direction.
Nothing is present between the lever b and the second lever d between the levers e (see FIG. 13). Therefore, even if the open knob a is operated in the direction of arrow D, the movement of the first lever b is changed to the second direction only by moving the first lever b in the direction of arrow D.
Is not transmitted to the lever d, and the lock of the lid j at the closed position is not released (see FIG. 14).

As described above, careless opening of the lid during the recording operation is prevented.

[0010]

By the way, in the above-mentioned conventional magneto-optical disk recording apparatus, in order to prevent the cover from being inadvertently opened during recording, one knob a,
One motion connecting member i, three levers b, d, h and 2
Since the springs f and g are required, the number of parts increases, and the number of assembling steps also increases, which hinders cost reduction.

Further, the position of the third lever h is restricted by the position of the open knob a, and there is a problem that the degree of freedom in arranging other parts and members is restricted.

It is therefore an object of the present invention to reduce the number of parts and increase the degree of freedom in arranging parts.

[0013]

In order to solve the above-mentioned problems, a magneto-optical disk recording apparatus according to the present invention locks a lid at a closed position where a mechanism is closed and releases the lock from outside when desired. An opening prohibiting means for prohibiting the opening of the lid at least during a recording operation on the magneto-optical disk is provided independently of the lock mechanism.

Therefore, in the magneto-optical disk recording apparatus according to the present invention, the number of components is reduced, which contributes to cost reduction, and the arrangement of the release inhibiting means can be determined independently of the position of the lock mechanism. The degree of freedom of arrangement increases.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the magneto-optical disk recording apparatus according to the present invention will be described below with reference to the accompanying drawings.

The disk cartridge 2 used in the magneto-optical disk recording apparatus 1 according to the present invention has a magneto-optical disk 4 rotatably housed in a rectangular flat box-shaped cartridge case 3, and a lower surface of the cartridge case 3. A central hole (not shown) for exposing a disk hub (not shown) attached to the central portion of the magneto-optical disk 4 is formed in the center of the optical disk 4. Further, the signal recording surface of the magneto-optical disk 4 faces the optical pickup. A pick-up access hole (not shown) for allowing the magnetic head for overwriting to be described later enters the cartridge case 3 at a position corresponding to the pick-up access hole on the upper surface of the cartridge case 3. A head access hole 5 for contacting the magneto-optical disk 4 is formed.
The shutter 6 for opening and closing the pickup access hole and the head access hole 5 slides between a closed position for closing the pickup access hole and the head access hole 5 and an open position for opening the pickup access hole and the head access hole 5. The disk cartridge 2 is formed by freely attaching to the cartridge case 3 (see FIG. 2).

The magneto-optical disk recording device 1 comprises a thin case-shaped main body case 7 having an open upper surface, and a lid 8 rotatably provided on the main body case 7 to open and close the upper surface of the main body case 7. The apparatus main body 9 and the disk cartridge 2 are held in the housing, and the magneto-optical disk 4 is mounted on a predetermined disk mounting part of the apparatus main body 9, and the disk cartridge 2 is inserted and removed from the disk mounting part. (See FIG. 2).

The apparatus main body 9 includes a rotary drive unit 11 for driving the magneto-optical disk 4 to rotate, an optical pickup 12 for irradiating a signal recording surface of the magneto-optical disk with laser light to reproduce and / or record signals. It is mounted on a chassis 13.

A lock lever 14 is provided on the front of the chassis 13.
Are movably supported in the left-right direction.
A lock claw 15 protrudes from the upper edge. The lock claw 15 has an end edge of a claw portion 15a protruding leftward when viewed from the front, and is formed as a slanted edge 15b descending left. The lock lever 14 is moved leftward by a tension coil spring 16,
That is, it is urged in the direction of arrow E in the figure. An open knob 17 is supported on the front surface of the main body case 7 so as to be movable in the left-right direction. The open knob 17 is connected to the lock lever 14. An engagement member 18 is attached to the inner surface of the front end of the lid 8. The engaging member 18 is formed with a locking portion 18a projecting rightward when viewed from the front, and the distal end surface of the locking portion 18a has a leftwardly inclined portion 1
8b.

When the lid 8 is pivoted downward from the open position shown in FIG. 2, the inclined portion 18b of the engaging member 18 comes into contact with the inclined edge 15b of the lock claw 15, and
b is pushed to the right, that is, in the direction of arrow F in the figure, so that the lock lever 14 moves in the direction of arrow F, whereby the locking portion 18a of the engaging member 18 is moved from the claw portion 15a of the locking claw 15 You can pass below. The locking part 1
8a is positioned below the claw 15a, the lock lever 1
4 is pulled by the extension coil spring 16 and moves in the direction of arrow E, and the claw portion 15a of the lock claw 15 is engaged with the locking portion 18a of the lid 8 from above. Thereby, the lid 8 is locked in the closed position shown in FIG. 1 (see FIG. 10).

To release the lock of the lid 8 to the closed position, the open knob 17 is moved to the right, that is, in the direction of arrow F. Then, the lock lever 14 is moved in the direction of arrow F, and the claw portion 15a of the lock claw 15 is disengaged from the locking portion 18a of the lid 8, so that the lid 8 is slightly rotated upward by a resilient means (not shown). . Thus, the lid 8 can be turned to the open position shown in FIG. Except for the force applied to the open knob 17, the open knob 1
7 and the lock lever 14 return in the direction of arrow E by the urging force of the extension coil spring 16.

A spindle motor 19 is supported at the center of the chassis 13.
Is a turntable, and the center of the magneto-optical disk 4 is placed on the turntable 21. The rotation drive unit 11 is configured by the spindle motor 19 and the turntable 21.

A large opening 22 is formed from the portion of the chassis 13 where the rotation driving unit 11 is disposed to one side edge, and the optical pickup 12 is separated from the rotation driving unit 11 so as to face upward from the opening 22. It is movable in the contact direction, that is, in the direction of arrow G (left-right direction) in FIG. One end of the optical pickup 12 is slidably supported by a guide shaft 23 disposed on the lower surface of the chassis 13.
A nut 24 provided at the other end is engaged with a lead screw 26 rotated by a feed motor 25.
Accordingly, the lead screw 26 is rotated by the drive of the feed motor 25, and the nut portion 24 engaged with the lead screw 26 is fed in the axial direction of the lead screw 26.
It is moved in the direction of the middle arrow G.

A control lever 27 is supported on the right side of the chassis 13 so as to be movable in the front-rear direction. The control lever 2
At a position near the front end of 7, a movable claw 28 is provided to protrude upward. A rack 29 is formed at the lower edge of the front end of the control lever 27. One end of the guide shaft 23 projects from the right end of the chassis 13, and a pinion 30 is fixed to this portion, and the pinion 30 meshes with a rack 29 of the control lever 27. A control motor 31 is supported on the lower surface of the chassis 13, and the control motor 31 and the guide shaft 23 are supported.
Are linked by a transmission gear train 32, and the guide shaft 23 is rotated by the driving of the motor 31.

A stationary locking member 33 is fixed to the inner surface of the right side of the lid 8 near the front end.

When a recording command is issued by the user, for example, by pressing a recording button or the like, the control motor 31
Is driven, whereby the rack 29 is sent by the rotating pinion 30, and the control lever 27 is moved forward, that is, in the direction of arrow H toward the prohibited position in the figure.
Thereby, the movable claw 28 provided on the control lever 27
Engages with the stationary locking member 33 of the lid 8, and the lid 8 is prohibited from being opened.

When the recording operation is completed, the control motor 31 is driven, the pinion 30 is rotated in the opposite direction to the above case, the rack 29 is sent by the pinion 30, and the control lever 27 is moved backward, that is, non-inhibited. It is moved in the direction of arrow I in the figure toward the position. Thereby, the movable claw 28 is disengaged rearward from the stationary engagement member 33 of the lid 8, and the state in which the lid 8 is prohibited from being opened is released.

An elevating cam portion 34 for elevating the magnetic head is formed at the rear end of the control lever 27. The elevating cam portion 34 includes a forwardly inclined portion 34a and a high position portion 34b extending horizontally from the rear end of the inclined portion 34a to the rear. In addition, such a lifting cam part 3
4 is formed by projecting a part of the control lever 27 to the left.

The holder 10 is, as shown in FIG.
Side plates 36 and 37 are vertically provided from both side edges of the side plate 5, and the receiving plates 3 are arranged to approach each other from lower edges of the side plates 36 and 37.
8, 39 are projected. The rear end of such a holder 10 is rotatably supported on the upper surface of the rear end of the chassis 13. Then, the disc cartridge 2 is received in a flat space formed by the top plate 35, the side plates 36 and 37, and the receiving plates 38 and 39.

The top plate 35 of the holder 10 has a chassis 13
A large opening 40 is formed at a position corresponding to the opening 17.

The head shift plate 41 is supported rotatably in the vertical direction so as to protrude from the position near the rear edge of the opening 40 of the top plate 35 toward the opening 40. The head shift plate 41 is formed to have a width substantially covering the width of the opening 40, and the supported pieces 42, 42 projecting rearward from both sides of the rear end are provided on the top plate 35 of the holder 10.
Are rotatably supported by support pieces 43, 43 erected at the bottom.

The right supported piece 42 is further extended rearward from the portion supported by the support piece 43, and a driven piece 41b is formed at the rear end of the rear extension 42 'so as to project rightward. A spring contact piece 41c is provided to protrude rightward from the right edge near the front end of the head shift plate 41.

The front end of the return spring 44 formed in a plate shape elongated in the front-rear direction by the leaf spring material is connected to the top plate 35 of the holder 10.
And the rear end of the return spring 44 is elastically contacted with the spring contact piece 41c of the head shift plate 41 from below, whereby the front end of the head shift plate 41 is moved upward and the rear end is moved. The portion, that is, the portion where the driven piece 41b is formed is urged downward. As a result, the driven piece 41b is placed on the elevating cam portion 34 of the control lever 27.

The magnetic head device 45 includes a head support arm 47 that supports a magnetic head 46 on the distal end side, and an arm support plate 48 that controls excessive displacement of the head support arm 47.
And

The head support arm 47 is formed by punching a thin metal plate having elasticity such as phosphor bronze. The arm support plate 48 has an L-shaped bent end portion 48a.
Supports the lower surface on the distal end side of the head support arm 47, and the base ends of the arm support plate 48 and the head support arm 47 are both fixedly supported by the upper end portion 49a of a connecting member 49 having a U-shaped side shape. I have. The lower end 49b of the connecting member 49 is fixed to the lower surface of the optical pickup 12.

Next, the magneto-optical disk recording apparatus 1 of the present invention will be described.
The operation of will be described.

The state shown in FIG. 2 is a state in which the lid 8 is opened to the open position.
Reference numeral 0 also rotates together with the lid 8, and is in a state where the disk cartridge 2 is located at an eject position where the disk cartridge 2 can be inserted and removed. If the holder 10 reaches the eject position shown in FIGS. 1 and 9 when the disk cartridge 2 is in the holder 10, a part of the disk cartridge 2 in the holder 10 projects from the holder 10. . Therefore, the disk cartridge 2 on which the reproduction and / or recording of the signal has been completed is taken out of the holder 10, and the disk cartridge 2 on which the reproduction and / or recording of the signal is newly performed is placed in the holder 10.
Insert inside. In the process of inserting the disk cartridge 2 into the holder 10, the shutter 6 moves to the open position, and the optical pickup access hole and the head access hole 5 are opened.

Then, when the lid 8 is turned to the closing position, the holder 10 is located at the mounting position, and the claw 15a of the locking claw 15 is engaged with the locking portion 18a of the lid 8, so that the lid 8 is locked in the closed position. The disk cartridge 2 is mounted at a predetermined mounting position, and the magneto-optical disk 4 is mounted on the turntable 21 (see FIG. 7). In this state, the control lever 27 is located at the rear end of the movement range, that is, at the non-prohibited position (see FIG. 7), and the movable claw 28 and the stationary locking member 33 of the lid 8 are engaged. Instead, the lid 8 can be unlocked from the closed position. Further, the driven portion 41b of the head shift plate 41 is placed in the middle of the inclined portion 34a of the elevating cam portion 34, and the head shift plate 4
1 is rotated by the urging force of the return spring 44 so that the front end moves upward, and the contact portion 41 a of the head shift plate 41 is rotated.
Pushes the arm support plate 48 and the head support arm 47 upward, and thus the magnetic head 46
It is in a state where it is located at a non-recording position separated upward from the recording position.

When reproducing the magneto-optical disk 4, the magnetic head 46 is used as described above.
The reproducing operation, that is, the reproducing operation of the signal is performed in a state where is separated from the magneto-optical disk 4. That is, while the magneto-optical disk 4 is rotated by the spindle motor 19 and the optical pickup 12 moves in the radial direction of the magneto-optical disk 4, the signal recording surface of the magneto-optical disk 4 is irradiated with laser light and the return light is emitted. The detection is performed, and the reproduction of the signal for the magneto-optical disk 4 is performed.

When a signal is recorded on the magneto-optical disk 4, the guide shaft 23 and thus the pinion 30 are rotated by the driving of the control motor 31, and the rack 29 is sent by the pinion 30 to control the control lever 27. Is moved forward, that is, in the direction of arrow H in FIG.
8 is engaged with the stationary locking member 33, and the lock of the lid 8 at the closed position cannot be released. further,
The driven piece 41b of the head shift plate 41 is
The head shift plate 41 is slid up on the inclined portion 34a and rests on the high position portion 34b.
4 so that the front end moves downward against the urging force of the magnetic head 4. As a result, the arm support plate 48 and the head support arm 47 rotate downward, that is, in the direction of arrow J in FIG. Reference numeral 46 indicates a state where the recording position is in contact with a position corresponding to a portion of the upper surface of the magneto-optical disk 4 to which laser light is irradiated by the optical pickup 12. In this state, the optical pickup 12 irradiates the signal recording surface of the magneto-optical disk 4 with a laser beam that is stronger than that at the time of reproduction, and applies a magnetic field by the magnetic head 46. A new signal is recorded. Such a signal is recorded while the optical pickup 12 moves in the radial direction of the magneto-optical disk 4, and the magnetic head 46 is moved together with the optical pickup 12.

When the recording of the signal on the magneto-optical disk 4 is completed, the control motor 31 is driven, and the control lever 27 is moved backward, that is, in the direction of arrow I in FIG.
The spring 29 is disengaged from the stationary locking member 33 to release the lock of the lid 8 to the closed position, and the inclined portion 34 a of the elevating cam portion 34 is
As a result, the head shift plate 41 rotates so that the front end moves upward, that is, rotates in the direction of arrow K in the drawing, and the head shift plate 41 contacts the head shift plate 41. Since the portion 41a pushes the arm support plate 48 and the head support arm 47 upward, the magnetic head 46 supported by the front end of the head support arm 47 moves upward and separates from the magneto-optical disk 4.

Therefore, the open knob 17 is moved to the right, that is, in the direction of arrow F in the figure, the lock lever 14 is moved in the direction of arrow F, and the lock claw 15 is moved to the locking portion 1 of the lid 8.
8a, the lid 8 is unlocked from the closed position with respect to the lid 8, and is moved to the open position as shown in FIG.
The holder 10 is also rotated upward toward the eject position together with the lid 8, and at the same time, a part of the disk cartridge 2 is projected from the holder 10 so that the holder 1
The disk cartridge 2 can be taken out of the holder 10 by picking out a part protruding from zero. Then, when the disk cartridge 2 is removed from the holder 10, the shutter 6 at the open position is moved to the closed position.

In the magneto-optical disk recording apparatus 1 described above, the opening prohibiting means for prohibiting the opening of the lid 8 during recording is provided with the movable claw 28 provided on the control lever 27 and the stationary claw provided on the lid 8. Since it is constituted by the locking member 33,
The number of parts is extremely small, and the number of assembly steps is reduced, which contributes to cost reduction.

In particular, as shown in the above-described embodiment, if the control lever 27 controls the up-and-down movement of the head shift plate 41, the up-and-down operation of the magnetic head 46 and the opening prohibition operation of the lid 8 can be ensured. And the number of parts can be further reduced.

Further, if the drive section (control motor 31) and the pinion 30 are connected by a guide shaft 23 provided for guiding the optical pickup 12,
The number of parts can be further reduced.

It should be noted that the movable pawl 28
Even if a link mechanism composed of several members is used to move the motor, it is still possible to reduce the number of parts as compared with the conventional case.

Since the position of the opening prohibiting means is not affected by the position of the open knob 17, the degree of freedom in arranging parts is increased.

The opening prohibiting means is not limited to the right side, but may be arranged on another side or a position other than the side.

Further, in the above-described embodiment, the movable locking portion (the movable claw 28) is provided on the mechanism portion side, and the stationary locking portion (the stationary locking member 33) is provided on the lid 8. May be reversed, that is, the movable locking portion may be provided on the lid, and the stationary locking portion may be provided on the mechanism portion side.

The number of pairs of the movable locking portion and the stationary locking portion is not limited to one, but may be several.

It should be noted that the shapes and structures of the respective parts shown in the above-described embodiments are merely examples of the specific embodiments to be carried out when carrying out the present invention, and the technical scope of the present invention is thereby described. Should not be interpreted restrictively.

[0052]

As is apparent from the above description, the magneto-optical disk recording apparatus of the present invention is a magneto-optical disk recording apparatus for reproducing and / or recording a signal from / to a magneto-optical disk. A device main unit including a rotation drive unit for rotating the disk, an optical pickup for irradiating a signal recording surface of the magneto-optical disk with a laser beam to reproduce and / or record a signal, and a light source for holding the magneto-optical disk A mechanical unit including a holder that moves between a mounting position where the magnetic disk is mounted on a predetermined disk mounting unit of the device main body and an eject position where the magnetic disk is inserted and removed from the disk mounting unit; A lid for opening and closing the mechanism, and locking the lid at a closed position where the mechanism is closed and releasing the lock from outside when desired. And a capacity locking mechanism, characterized in that the opening inhibiting means for inhibiting the opening of the cover body is provided independently of the locking mechanism when performing the recording operation for at least the magneto-optical disk.

Therefore, in the magneto-optical disk recording apparatus according to the present invention, the number of components is reduced, which contributes to cost reduction, and the arrangement of the release inhibiting means can be determined independently of the position of the lock mechanism. The degree of freedom of arrangement increases.

According to the second aspect of the present invention, the opening prohibiting means is provided on a stationary locking portion provided on one of the lid and the mechanism, and on the other of the lid and the mechanism. A movable locking portion which is moved between the prohibited position and the non-prohibited position and engages with the stationary locking portion at the prohibited position to prohibit movement of the lid to the open position. Can be easily configured.

According to the third aspect of the present invention, the opening of the lid is prohibited by the opening prohibiting means by the start of the recording operation, and the opening prohibition state of the lid by the opening prohibiting means by the end of the recording operation. Since it is released, opening of the lid during recording can be reliably prevented.

According to the invention described in claim 4, the magnetic head is brought into contact with or close to the magneto-optical disk during recording,
Since the movable locking portion is formed integrally with the head lifting lever that separates the magnetic head from the magneto-optical disk at times other than recording, the lifting operation of the magnetic head and the opening prohibition operation of the lid can be reliably linked. At the same time, the number of parts can be further reduced.

According to the invention described in claim 5, a guide shaft for guiding the moving direction of the optical pickup is made rotatable by a drive unit, and the movable locking unit is moved by the rotation of the guide shaft. Therefore, the number of parts can be further reduced.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a magneto-optical disk recording apparatus of the present invention together with FIGS. 2 to 10, and is a perspective view showing a state where a lid is in a closed position.

FIG. 2 is a perspective view showing a state in which a lid is moved to an open position and a disk cartridge.

FIG. 3 is a schematic perspective view showing an internal mechanism.

FIG. 4 is a schematic perspective view of an apparatus main body.

FIG. 5 is a bottom view of the apparatus main body.

FIG. 6 is a plan view of an internal mechanism.

FIG. 7 is a schematic side view showing a state other than a recording state.

FIG. 8 is a schematic side view showing a recording state.

FIG. 9 is a schematic side view showing an ejected state.

FIG. 10 is a schematic front view of a mechanism and a lid.

11 shows a main part of a conventional magneto-optical disk recording device together with FIGS. 12 to 14, wherein FIG. 11 shows a state at the time of stop or reproduction, FIG. 11 (a) is a schematic plan view, and FIG. ) Is a schematic front view.

FIGS. 12A and 12B show a state where the lid is unlocked from the closed position, wherein FIG. 12A is a schematic plan view and FIG. 12B is a schematic front view.

FIG. 13 is a schematic plan view showing a recording state.

14A and 14B show a state where an open knob is operated at the time of recording, where FIG. 14A is a schematic plan view and FIG. 14B is a schematic front view.

[Description of Signs] 1 ... Magneto-optical disk recording device, 4 ... Magneto-optical disk, 8
... Lid, 9 device body, 10 holder, 11 rotary drive, 12 optical pickup, 14 lock lever, 1
5: Lock claw, 16: Extension coil spring, 17: Open knob, 18: Engagement member, 14, 15, 16, 17, 18
... Lock mechanism, 23 ... Guide shaft, 27 ... Control lever (head elevating lever), 28 ... Movable claw (Movable locking part), 31
... Control motor (drive unit), 33 ... Static locking member (static locking unit), 28, 33 ... Opening prohibition means, 46 ... Magnetic head

Claims (5)

[Claims] 1. A magneto-optical disk recording device for reading and / or recording a signal from / to a magneto-optical disk, comprising: a rotary drive unit for rotatingly driving the magneto-optical disk; and irradiating a laser beam to a signal recording surface of the magneto-optical disk. Device main unit including an optical pickup for reproducing and / or recording signals, and a mounting position for holding the magneto-optical disk and mounting the magneto-optical disk on a predetermined disk mounting portion of the device main body, and the disk A mechanism unit having a holder that is separated from the mounting unit and moves between an eject position for inserting and removing the magneto-optical disk, a lid that opens and closes the mechanism unit, and a closing position that closes the lid unit with the mechanism unit And a lock mechanism capable of releasing the lock from outside when desired, and performing at least a recording operation on the magneto-optical disk. Magneto-optical disk recording apparatus an open prohibition means for prohibiting the opening of the lid to the can, characterized in that provided independently of the locking mechanism. 2. The method according to claim 1, wherein the opening prohibiting means is provided between a stationary locking portion provided on one of the lid and the mechanism, and a prohibiting position and a non-prohibiting position provided on the other of the lid and the mechanism. 2. The magneto-optical disk recording device according to claim 1, further comprising a movable locking portion that is moved and engages with the stationary locking portion at the prohibition position to prohibit movement of the lid to the open position. apparatus. 3. The opening of the lid by the opening prohibiting means is inhibited by the start of the recording operation, and the opening prohibition state of the lid by the opening prohibiting means is released by the end of the recording operation. 2. The magneto-optical disk recording device according to 1. 4. A head raising / lowering lever for bringing a magnetic head into contact with or approaching a magneto-optical disk during recording and separating the magnetic head from the magneto-optical disk at times other than during recording, wherein the movable locking portion is integrally formed. 3. The magneto-optical disk recording device according to claim 2, wherein: 5. The optical pickup according to claim 2, wherein a guide shaft for guiding the moving direction of the optical pickup is rotatable by a drive unit, and the movable locking unit is moved by rotation of the guide shaft. The magneto-optical disk recording device according to claim 1.