JP2776311B2 - Disc recording and / or playback device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention
The disk transfer body on which the disc is mounted
The disk in the housing via the disk transport
Data that is transferred to the disk rotation drive position and mounted
For disc playback and / or recording devices such as disc players
Related. [0002] Conventionally, data using an optical disk as a recording medium has been used.
In the disc player, the disc on which the optical disc is placed
The transfer of the disc transfer body by the feed motor
Installed so that it can be freely inserted into and removed from the housing that constitutes the body.
The optical disk into the main unit via the disk transport
Move onto the disk table of the disk rotation drive
Operation, and place it on this disc table.
The optical disc is rotated by a drive motor and
Is a rotation provided in connection with the transfer mechanism of the disk transfer body.
On the disc pressing member rotatably supported at the tip of the arm
The one that is configured to hold more pressure is
No. 36060 (Japanese Utility Model Application No. 57-130854)
It has been proposed. [0003] Problems to be Solved by the Invention
Disc player proposed in Japanese Patent Publication No. 360
Move the disk transporter on which the optical disk is placed into the housing.
To the disk holding member provided at the tip of the rotating arm.
To hold the optical disk on the disk table.
Disk operation by rotating the loading arm and rotating arm.
Pressing of optical disc against disc table by pressing member
Release the holding, and then move the disk transfer body out of the housing
Operate all unloading operations by motor only.
I'm going. [0004] Therefore, the optical disk is a disk table.
While being held by the disc pressing member
Moves the disk transfer body and supports the disk pressing member.
The motor that rotates the rotating arm that has failed breaks down, or
The transfer mechanism for transferring the disk transfer body and the rotating arm are rotated
The rotating mechanism to be operated has failed, or the power supply
If a failure or power outage occurs,
You will not be able to release the hold. Finally, the optical disc
Can no longer perform unloading operations,
The above optical disk cannot be removed from the device.
I will. Then, to remove the optical disk,
When the disk transfer body is pulled out of the housing, the disk
Damage the transfer mechanism of the transfer body and the rotation mechanism of the rotation arm,
Alternatively, the optical disk may be damaged. On the other hand, an optical disk is used for recording information signals at high density.
Can be stored in the computer's auxiliary storage
Used as a medium. The storage medium of this auxiliary storage device
When using an optical disk, a playback device that plays back the optical disk
The location of the optical disk is the same as the disk player described above.
All loading and unloading operations are
Data configured to be performed by data
The disk transfer member was transferred and the disk pressing member was supported.
The motor that rotates the rotating arm breaks down or
The transfer mechanism for transferring the disk transfer body and the rotation arm
Failure of the rotating mechanism, or the power supply
When a failure or power outage occurs, the optical disk goes to the disk table.
Cannot be released and the optical disk can be removed.
Otherwise, control of the computer may not be possible.
Therefore, when the above-mentioned failure or power outage occurs,
Quickly remove the optical disc from the playback device and
There is also a need to attach it to a backup playback device. [0006] Therefore, the present invention provides a method for controlling a motor failure or disc failure.
Failure of mechanical parts such as the transfer mechanism of the transport body, or power failure
Even if an error occurs, it is kept on the disk table
Unlock the disc and protect the disc.
And remove the disk from the device.
Transport mechanism of the disk transport body
Disc playback and / or that can achieve protection of the mechanism such as
It is an object to provide a recording device. [0007] The present invention also relates to an auxiliary storage for a computer.
When applied to the playback device of the device,
Even if it becomes a state, it is possible to replace the disk,
Use the computer without stopping it
It is an object of the present invention to provide a device that enables the following. [0008] The above-mentioned object has been achieved.
The invention proposed to achieve a disk mounted
Disk that can be moved freely into and out of the housing in a state
A transfer body and the disk transfer body are housed in the housing.
In conjunction with the storage operation, the disk transfer
When the disc is inserted up to
Between the disc table and the disc pressing member.
Disk holding means, and the disk held
Disk for recording and / or reproducing information signals from
A recording and / or reproducing apparatus, wherein a mode as a driving source is
And the disk holding means by rotation of the motor.
Drive transmission mechanism for performing the holding operation of the
Insert the operation jig through the insertion hole provided on the front panel.
Manual operation is enabled by
To cut off the driving force of the motor by the drive transmission mechanism
And the driving force of the motor is cut off by further manual operation.
Disk holding by the above disk holding means
Release the state and move the disk transfer body to the housing
A discharging means for discharging the water from the air. The disk recording and / or reproducing apparatus according to the present invention
Is an operation jig through the insertion hole provided on the front panel of the housing.
Is inserted, and the operation jig is operated by manual operation.
The driving force of the motor by the power transmission mechanism is shut off,
Operation to keep the disk together with the disk table.
Keep the disc pressing member held away from the disc table.
Release the disc, and then move the disc.
By moving the sender, it is ejected from the housing. FIG. 1 is a block diagram of a disk reproducing apparatus to which the present invention is applied.
An embodiment will be described with reference to the drawings. [0011] A disk reproducing apparatus to which the present invention is applied comprises:
The optical disk 1 is used as an information signal recording medium.
Thus, an optical disc on which information signals for computer control are recorded.
The disk 1 is irradiated with a light beam emitted from a semiconductor laser.
Optics configured to read and reproduce information signals
It is of the formula. FIG. 2 shows the structure of this disk reproducing apparatus.
That is arranged in the housing 2 that constitutes the main body of the playback device
As shown in FIG. 1, the optical disc 1 is
Disk rotation drive with disk table 4 to be loaded
The device 5 is mounted, and the information signal recorded on the optical disc 1 is
A semiconductor laser that emits a light beam for scanning
The stored optical pickup device 6 is attached. The above-described disk rotation driving device 5 is shown in FIGS.
As shown in FIG. 5, integrated with the drive shaft of the spindle motor 7
Disk table on center spindle 8 connected to
4 are integrally mounted. Also, disk table 4
The center of the
Of the center spindle 8 is biased by a spring.
It is mounted so that it can move up and down freely. The optical pickup device 6 is
Signal of the optical disk 1 mounted on the table 4
Make sure that the light beam is directed perpendicular to the recording surface.
It is arranged opposite to the signal recording surface of disc 1 and
On the inner and outer circumferences of the optical disc 1 via the guide shaft to be attached
Supported movably in the radial direction over the linear motor 10
More moving operation. As described above, the disk rotation driving device 5 and
For a disk reproducing device provided with the optical pickup device 6
Transfers the optical disk onto the disk table 4, and
The optical disk 1 placed on the disk table 4
The disk transfer body 11 for transferring to the outside of the housing 2 is
It is provided so that it can come and go
You. The disk transfer body 11 is formed in a flat and substantially rectangular shape.
On the upper surface side, a disc having substantially the same diameter as the outer diameter of the optical disc 1 is provided.
A disk storage recess 12 is formed. This disk
The bottom of the storage recess 12 is urged by a leaf spring to move up and down.
A disk support plate 13 is provided, which can be mounted.
You. The optical disc to be placed is placed on the disc support plate 13.
In order to protect the disk 1, a disk made of an elastic material such as rubber is used.
A disk support member 14 is attached. Also disk
This light is applied to both sides of the storage recess 12 when the optical disc is inserted and removed.
Notches 12a and 12b for finger hanging on disc 1 are provided.
Have been. Also, the housing 2 of the disk storage recess 12
The upper edge located on the inner side of the
Prevents the optical disc 1 housed in the recess 12 from lifting up
The rising prevention piece 12c is provided to protrude inward.
ing. Further, the bottom of the disk transfer body 11 and the disk
The disk transfer body 11 is mounted on the disk support plate 13 in the housing 2.
When stored in the disk drive, the disk rotation drive 5 and the optical
Notch 16, 1 into which the backup device 6 enters
7 is formed from the center to the rear side. The disk transfer body 11 constructed as described above
Is a pair of slide guides attached to both sides of the chassis 3.
The bearings 20 attached to both sides on the rear side are inserted into the shaft 18 respectively.
And slideably attached to it,
A housing through a transfer body insertion / removal opening 22 provided in the front panel 62;
2 can freely appear and disappear. One of the bearings 2
0 pulls the disk transfer body 11 out of the housing 2
Attach to one end of one slide guide shaft 18 when it comes out
Abuts against the damper 23 which has been
Drawer position regulating surface 2 that regulates the position of the body 2 withdrawn to the outside
4 has been set. The other bearing 21 (not shown)
On the side to which is attached, the inside of the front wall of the housing 2 (not shown)
Surface, and the disk transfer body 11 comes out of the housing 2
A slip-off preventing piece that regulates the slip-out is provided. On the inner chassis 3 of the housing 2,
The disk transfer body 11 is moved into the housing 2 and the disk
Center hole 1a of optical disc 1 placed in storage recess 12
Until it reaches the position facing the center spindle 8
The rear end of the disk transfer body 11 abuts
Stopper pin for regulating the insertion position of the disk transfer body 11
25 and a support shaft 26 are erected. On this support shaft 26,
The disk transfer body 11 is connected to the stopper pin 25 and the support shaft 26.
When inserted into the housing 2 until it touches, the disk is transferred
Lock pin 27 planted at the rear end of one side of body 11 engages
And a lock lever 28 for locking the disk transfer body 11.
Is installed. This lock lever 28 is located on the tip side.
An engagement recess 29 with which the lock pin 27 engages is provided at the base end.
The U-shaped part 30 formed on the side is supported by the support shaft 26,
It is wound around this support shaft 26 and is provided on the rising wall of the U-shaped portion at one end.
The other end is engaged with the engaging piece 31a attached to the chassis 3
The direction of arrow A in FIG. 3 by the torsion coil spring 31 stopped.
Is attached by being urged to rotate. Also, lock lever
-28 is a circuit extending from one side of the halfway part to the side of the housing 2.
The moving operation piece 21 is locked to the locking piece 31a,
Rotational urging so as to oppose the moving direction of the disk transfer body 11
Position is regulated. Further, the tip of the lock lever 28
One end guides the smooth engagement of the lock pin 27.
Thus, it is formed as an arc-shaped inclined surface. The U-shaped portion 30 of the lock lever 28
At one end, a solenoid plug mounted on the chassis 3
Connected to the plunger rod 34 of the plunger 33
The rod lever 28 is connected to one end of the connecting rod 35,
Attachment of torsion coil spring 31 by id plunger 33
3 is rotated in a direction opposite to the arrow A in FIG.
Release the lock of the lock pin 27 engaged with 29
You. On the lock lever 28, there is an engagement recess.
The lock pin 27 is engaged with the portion 29, and the disc transfer body 11
Is locked by the lock lever 28
A light-emitting element of the photo-interrupter 36 serving as a detecting means;
The shielding plate 37 for opening and closing between the light receiving elements is
Rotatably mounted via a support shaft 38 erected at the tip
ing. This shielding plate 37 is bent in a U-shape.
One side of the portion 39 faces the engagement recess 29, and one end is locked.
3 by a tension spring 40 locked to the clever 28.
The lever is urged to rotate in the direction of arrow B, and one end on one side is a lock lever.
The rotation position is regulated by contacting one side of the U-shaped portion 30 of 28
Installed and installed. And this shielding plate 37
When the lock pin 27 is engaged with the lock recess 29, the lock pin
One side of the bent portion 39 is pressed by the
3 is turned in the direction of the arrow B in FIG.
Open between the light emitting element and the light receiving element of the photo interrupter 36.
Release to detect that the disk transfer body 11 is locked.
Let Further, on the inner chassis 3 of the housing 2,
Is the disk transfer locked by the lock lever 28.
A disk transfer body discharging operation for discharging the body 11 out of the housing 2
The extension lever 41 is based on a support shaft 42 erected on the chassis 3.
It can be pivotally mounted by pivotally supporting the end side, and
42 and formed at one end by cutting and raising a part of the chassis 3
And the other end of the ejection lever 41 is
Abuts one side of a U-shaped bent part formed by bending the base end side
The torsion coil spring 43 attached to the
FIG. 3 shows a direction in which the transfer member 11 is discharged out of the housing 2.
It is urged to rotate in the direction of the middle arrow C and cuts and raises a part of the chassis 3
The rotation urging position is set by the rotation position regulating piece 45 thus formed.
The installation is regulated. Disc transfer body ejection
At the tip of the lever 41, the rear end face of the disk transfer body 11 is attached.
A disc transfer body pressing roller made of rubber
A roller 46 is mounted via a support shaft 47. Also,
The rotation position regulating piece 45 includes a disc transport body discharge lever 4.
Rubber, etc. that absorbs the impact of 1 when it comes into contact and has a silencing effect
A damper 49 composed of an elastic body is wound. The disk transfer body ejected as described above is mounted.
The ejection lever 41 is used to move the disc transfer body 11 inward of the housing 2.
When it is inserted, it is attached to the rear end of the disk
At the rear end face of the pressing block 48
The pressing roller 46 is pressed, and the torsion coil spring 43 is attached.
It is turned in the direction of the arrow C in FIG. 3 against the force. Soshi
Then, the resilient force is accumulated in the torsion coil spring 43.
On the other hand, when the lock of the disk transfer body 11 is released,
The disc transfer body discharge lever 41 is provided with a torsion coil spring 43.
Is rotated in the direction of arrow C in FIG.
The disc transfer body 11 is moved by the
Press to move the disk transfer body 11 out of the housing 2
Let it. Further, on the chassis 3, this chassis
Cover the disk rotation drive device 5 attached to the
Thus, the rotating arm 50 is mounted. This rotation
The arm 50 has a disk pressing member 51 rotatably attached thereto.
From both sides of the disc pressing member mounting portion 52
Are formed in a substantially U-shape by extending
You. The rotating arm 50 is provided with a pair of support rods 53,5.
4 are provided so as to stand on both sides of the rear end of the chassis 3.
Are attached to the support pieces 55 and 56 via a support shaft 57,
Rotatably supported so as to contact and separate from disk table 4
Have been. The disk pressing member of the rotating arm 50 is removed.
On both sides of the attaching portion 52, the disk is turned close to the disk table 4 side.
When moved, the disk storage recess of the disk transfer body 11
Disc support plate urged by a leaf spring provided in 12
13 is pressed downward and placed on the disk support plate 13.
Placing the optical disk 1 on the disk table 4
The disk support plate pressing projections 58 to be
Have been. The disk pressing member of the rotating arm 50
The mounting portion 52 faces the disk table 4 and
The disk table 4 transferred by the disk transfer body 11
A disc pusher that presses and holds the optical disc 1 placed thereon
The pressure member 51 is rotatably mounted. Press this disc
The pressure member 51 has a ring-shaped magnet 59 attached thereto.
The magnet holding body 59a is attached to the disc pressing member mounting portion.
52 is inserted through an insertion hole 60 formed in
The flanges 59b and 59c are attached to prevent them from coming off.
It is. The center of the disc pressing member 51 is
The thrust bearing 61 fitted to the tip of the
Is provided. Then, the disc pressing member 51 rotates
The moving arm 50 is rotated close to the disc table 4 side.
And a ring-shaped magnet 59 made of a magnetic material
This disk table is sucked by the disk table 4
The optical disk 1 placed on the optical disk 4 is pressed and held. This
When the optical disk 1 is pressed and held as shown in FIG.
The pressure member 51 is connected to the disc table 4 and the optical disc 1.
They are integrated and can be driven to rotate. As described above, the disc pressing member 51 is rotated.
The pivotally movable arm 50 movably supported is inserted into the transfer body of the housing 2.
This inner side of the front panel 62 provided with the vent 22
In parallel with the front panel 62 via frame side plates 63 and 64
Drive mode attached to the mounting board 65
The gear 66 is rotated via a reduction gear train 67.
The drive motor 66 is driven as shown in FIGS. 1, 6, and 7.
The drive gear 69 attached to the tip of the driving shaft 68 is attached to the mounting substrate 6.
5 so that it protrudes from the surface facing the rotating arm 50, and is mounted.
To the screw screw pin 70 set on the mounting board 65 and the screw 71
Pressed and supported by the pressing support plate 72 attached thereto.
Mounted. The reduction gear train 67 is provided with a drive motor 6.
6, a large-diameter gear portion 73a that meshes with the small-diameter drive gear 69.
Driving force transmitting tooth formed integrally with small diameter gear portion 73b coaxially
Mesh with the wheel 73 and the small-diameter gear portion 73b of the transmission gear 73
Large diameter gear 74a and small diameter gear 74b are coaxially integrated
And a small diameter gear of the intermediate gear 74.
The large-diameter gear portion 75a and the small-diameter gear portion 7 that mesh with the gear portion 74b.
5b is formed coaxially and integrally with the gear 5b.
Rotating arm operation meshing with the small-diameter gear portion 75b of the gear 75
An operating gear 76 for operating the lever is provided. As described above, the reduction gear train 67 is
The small-diameter gear section is sequentially engaged with the large-diameter gear section from the
Therefore, the rotation speed of the drive motor 66 is reduced.
You. Here, the driving force of the driving motor 66 is
Reduction gear that transmits the rotation arm 50
The row 67 constitutes a drive transmission mechanism. On the end face of the operating gear 76 of the reduction gear train 67
Is eccentric with respect to the axis,
In the cam hole 78 formed in the longitudinal direction and formed in the longitudinal direction
An engaging drive pin 79 is drilled. This drive pin
The rotating arm operation lever 77 with which the engagement 79
The base end portion 80 bent in the shape of a letter is planted on one side of the mounting board 65.
It is pivotally supported on an upright support shaft 81, and around this support shaft 81,
7 so as to be rotatable in the directions of arrows D and E in FIG.
It is attached. That is, this rotating arm operation lever
77 is a drive pin each time the operation gear 76 rotates 180 degrees.
The direction of reciprocation of the pin 79 with respect to the cam hole 78 is switched.
Rotation in the direction of the middle arrow D or E is selected. Also,
At the free end of the rotating arm operation lever 77, a rotating arm operation is performed.
A pin 82 is erected. This rotating arm operation pin 8
2 is a rise formed at the tip of the rotating arm 50.
It is engaged with a cam hole 84 formed in the wall 83.
Then, the rotation arm operation lever 77 is pivoted around the support shaft 81.
7 and pivoted in the directions of arrows D and E in FIG.
As a result, the rotating arm 50 pushes the disc attached to the distal end side.
The pressure member 51 is moved toward and away from the disc table 4.
Is rotated. That is, the disk transfer body 11 is
It is transferred inward and locked by the lock lever 28,
The shield plate 37 is rotated by the clipping pin 27, and the
When the lock state is detected by the
66 starts driving, and the reduction gear 67 is rotated. this
When the reduction gear train 67 rotates, the drive provided on the operation gear 76
The pin 79 rotates eccentrically, and the rotation arm operation lever 77
Move along the cam hole 78 of the rotary arm operating lever 7.
7 is rotated. And, this rotary arm operation lever 7
7 is rotated, a rotating arm operation pin 8 provided at the free end is provided.
2 moves along the cam hole 84 of the rotating arm 50,
Move the moving arm 50 toward and away from the disk table 4
Rotate as follows. The drive constituting the reduction gear train 67
An operation gear 76 provided with a pin 79 is
Manual operation shaft 86 rotatably mounted via receiver 85
Attached to one end. The other end of the manual operation shaft 86
Is a driver for rotating the shaft provided on the front panel 62.
It faces the insertion hole 87 to be inserted. Also rocking
A gear 75 is rotatably attached to a manually operated shaft 86.
Attached to a support shaft 89 erected at one end of the rotation lever 88
And meshed with the operation gear 76 and the intermediate gear 74. An operation gear 76 is attached to the manual operation shaft 86.
When it is manually operated, it is attached to the end face of the operation gear 76.
The lock release mechanism of the disk transfer body 11 described later is configured.
A member engaged with the engaging lever 90 formed and rotated.
The operation gear 7 is moved so that the joint operation piece 91 returns to the initial position.
The swing gear return lever 92 for rotating the rotary 6 is rotatable.
Installed. Then, a protruding portion is provided at an intermediate portion of the rotating lever 88.
Projecting toward the proximal ends of the locking piece 88a and the swing gear return lever 92.
A tension spring 93 is stretched between the provided locking pieces 92a.
The rotation lever 88 and the swing gear return lever 92
Are opposite directions where the opposing tip sides are in the direction of approach
In the rotation direction. That is, the rotating lever 8
8 is in the direction of arrow F in FIG.
4 is urged to rotate in the direction of arrow G in the middle. In addition, the rotating lever
-88 and the tip end side of the oscillating gear return lever 92
Abuts on the locking pin 94 erected on the lever 90
Power positions are regulated. Note that the rotating lever 88 is swung.
A driving gear 75 is rotated between an operation gear 76 and an intermediate gear 74.
At the meshing position with meshing force capable of transmitting power
The rotation biasing position is regulated. By the way, the driving of the reduction gear train 67 described above is performed.
The force transmission gear 73 and the intermediate gear 74 are attached to the mounting board 65.
The mounting position is fixed by being pivotally supported by supporting shafts 95 and 96 to be erected.
I have decided. And an oscillating gear meshing with the intermediate gear 74
75 is swingably mounted. Here, the manually operated shaft 86
In the clockwise direction of the arrow X direction in FIG.
When the rotation operation is performed, the drive is performed from the reduction gear ratio of the reduction gear train 67.
Driving force transmission under load of magnet of motor 66
The gear 73 and the intermediate gear 74 are oscillating teeth without being rotated.
A load is applied to the vehicle 75 to prevent rotation. And oscillating teeth
The rotating lever 88 to which the wheel 75 is attached is connected to the manual operation shaft 8.
6, the swinging gear 75 is turned in the turning direction of the intermediate gear 74.
Is disengaged, and the negative of the magnet of the drive motor 66 is released.
The load is shut off. As a result, it is attached to the tip of the manual operation shaft 86
The gear operation gear 76 is a rotating operation direction of the manual operation shaft 86.
(The direction of arrow X in FIG. 6) is free to rotate. This operating gear
76 becomes free to rotate.
The rotation operation of the system operation lever 77 is performed, and the rotation arm 50 is rotated.
To the disk table 4 of the disk pressing member 51 provided at
Contact and separation are performed. Then, the disc pressing member 51
Optical disk held in the disk table 4 by the
1 can be released. By the way, the disk pressing member 51 is attached.
The rotating arm 50 is attached to the operation gear 76 as described above.
So that the attached drive pin 79 swings by rotating.
Rotating arm that can be rotated in the directions of arrows D and E in FIG.
Connected to the disc table 4 by the
The rotating arm 50 is rotated because it is separated.
The driving motor 66 is a one-way rotating motor.
I have. The drive motor 66 is connected to the disk transport 11
When the locked state of the arm 5 is detected, the driving is started and the rotating arm 5 is started.
0 and the disc pressing member 51
When the optical disk 1 is held by the disk 4
The eject button 99 provided on the front panel 62 is operated.
And start driving again to rotate the drive arm 50,
The disc pressing member 51 is separated from the disc table 4
Stopped at the position where the release of the holding of the optical disk 1 is completed
Is controlled as follows. As this control means, for example, FIG.
The photo interrupts of FIGS. 1 and 2 forming a pair as shown in FIG.
And the photo interrupter 10
Caulking the manual operation shaft 86 for opening and closing
Composed of a fan-shaped shielding plate 103 attached thereto
Is used. The first and second photo interrupters
101 and 102 face each other with the manual operation shaft 86 interposed therebetween.
The shielding plate 103 is provided with the disc pressing member 51.
Rotate to place it away from disk table 4
The operation gear 76 is provided at the initial position where the arm 50 is operated.
When the drive pin 79 is located, the photo interrupter
Does not block the light emitting elements and light receiving elements 101 and 102
It is formed in a shape. Then, the drive motor 66 is driven.
And rotate the rotating arm operating lever 77 in the direction of arrow D in FIG.
The operation gear 76 rotates in the direction of arrow H in FIG.
Is started, the shielding plate 103 becomes the first photo interface.
The light emitting element and the light receiving element of the raptor 101 are shielded. Sa
The operation gear 76 is further rotated, and the disc pressing member 51 is
When it reaches the position where it is attracted to the disk table 4, the shielding plate 1
03, the light emitting element of the first photo interrupter 101
And the shielding between the light receiving elements is released and the light receiving elements emit light.
When light from the element is detected, the disc pressing member 51
Of the optical disk 1 pressed against the disk table 4 is completed.
Upon completion of the operation, the drive motor 66 is stopped. The disk pressing member 51 is an optical disk.
When the eject button 99 is operated while holding 1
The drive motor 66 is driven to turn the rotation arm operation lever 77.
The operation gear 76 is rotated in the direction of arrow E in FIG.
8 When the rotation is further started in the direction of arrow H, the shielding plate 10
3 is a light emitting element of the second photo interrupter 102 and
Shield between light receiving elements. Further, the operation gear 76 is turned.
The disc pressing member 51 is completely moved from the disc table 4.
When reaching the completely separated position, the second
Between the light emitting element and the light receiving element of the photo interrupter 102
The shielding is released and the light from the light emitting element is detected by the light receiving element.
When ejected, the optical disc 1 is
It is detected that the pressing release from the disk table 4 is completed.
And the drive motor 66 is stopped. Further, according to the detection output, the disk is transferred.
A source for rotating a lock lever 28 for locking the body 11
The disc is transferred by operating the rainoid plunger 33
The body 11 is unlocked. And the disk transfer body
11 is discharged to the outside of the housing 2 by the transfer body discharge lever 41
Is done. Further, a disc reproducing apparatus to which the present invention is applied
In connection with the manual operation mechanism of the reduction gear train 67,
Lock the disk transfer body 11 with the
There is a lock release mechanism that is released by moving operation.
You. This lock release mechanism is mounted on a mounting base as shown in FIG.
An engagement lever 90 attached to the plate 65 and the engagement lever 90
An operating gear 76 that meshes with the mating lever 90 to rotate
Engaging piece 91 provided on the end face of the
Inner surface of one frame side plate 63 rotated by 90
L-shaped lever 105 rotatably mounted on the
Slidably mounted on the inner surface of the arm side plate 63
Is pivoted to an L-shaped lever 105 and an L-shape is formed at the other end.
Rotation of the lock lever 28 with the engagement piece 106a having the shape of a circle
The slide operation lever 106 engaged with the operation piece 32
It is composed of The engagement lever 90 is
A U-shape formed in the middle of the support shaft 107 erected on one side
The pivot 90a is pivotally mounted to be pivotally attached. So
Is wound around the support shaft 107 and one end is erected on the mounting board 65.
And the other end is engaged with one side of the pivot 90a.
9 by the torsion coil spring 109 stopped.
The rotation lever 88 and the oscillating tooth
Attach a locking pin 94 with which the vehicle return lever 92 abuts.
65 is connected to one end of an arc-shaped engagement groove 110 formed by cutting out.
It is stopped and the rotation biasing position is regulated, and it is mounted. This and
The engagement lever 90 is provided with an engagement gear provided on the operation gear 76.
Separated from the operation piece 91 and engaged with this engagement operation piece 91
Is in the released position, and the manual operation shaft 86 is
The pivot arm 88 to which the swing gear 75 is attached is pulled.
The arm 93 is rotated against the urging force of the spring 93, and
Therefore, the locking pin 94 is pressed and turned in the direction of arrow I in FIG.
When moved, the engagement surface 111 provided on one side surface of the tip
The engagement operation piece 91 is attached so as to engage with and
I have. The L-shaped lever 105 is connected to a frame side plate.
Attached to the inner surface of 63 so as to be rotatably supported by the support shaft 112
And one end thereof is engaged with the base end side of the engagement lever 90.
And slide the other end through the pivot pin 113.
106 is rotatably attached to one end. Further, the slide operation lever 106 is
Slide guide pin 1145 laid on frame side plate 63
With the slide guide hole 115, which has a long diameter in the longitudinal direction
To be slidably mounted and to the frame side
9 by a tension spring 116 having one end locked to the plate 63.
The lock lever 28 is operated by being slid in the middle arrow J direction.
It is urged in a direction that does not work. The lock release mechanism configured as described above.
Is that the manual operation shaft 86 is manually operated and the rotating lever 88 is
When the operating gear 7 is rotated, the engagement lever 90 is rotated.
6 engages with the engagement surface 111.
The engagement lever 90 urges the torsion coil spring 109
When rotated against the force, the L-shaped lever 105 is rotated.
The slide operation lever 106 resists the tension spring 116
And slide the lock lever 28 to rotate it.
Unlocks the locked disk transfer body 11
Then, the disk transfer body 11 is discharged out of the housing 2.
Operate as follows. A disk reproducing apparatus configured as described above
, The optical disk held on the disk table 4
Release operation of disk 1 and unlocking of disk transfer body 11
An operation of removing the sheet and discharging the sheet to the outside of the housing 2 will be described. The optical disk 1 is stored in the disk storage recess 12.
The inserted disk transfer body 11 is manually inserted into the housing 2.
To lock the drive motor 66
Drive to rotate the rotary arm 50 via the reduction gear train 67.
To move the disc pressing member 51 to the disc table 4.
Adsorb optical disk 1 and hold it on disk table 4
And the disk rotation drive device 5
As shown in FIG.
In the driving state, the driving of the drive motor 66 becomes impossible.
In such a case, the manual operation shaft 86 is
The body 2 is rotated from outside. At this time, the manually operated shaft 8
6 is to separate the swing gear 75 from the intermediate gear 74
One of the directions indicated by arrow K in FIG.
It can rotate only in the direction. Then, when the manual operation shaft 86 is rotated,
The rotation lever 88 to which the swing gear 75 is attached is indicated by an arrow L in FIG.
Oscillating gear 75 meshes with the intermediate gear 74
From the drive motor 66 to the operating gear 76
The magnet load is cut off, allowing manual operation of the operating gear 76
Can be rotated. In this state, the manual operation shaft 86 is operated.
To rotate the operating gear 76, and the drive pin 79
1 to the position shown in FIG.
Is located on the free end side of the cam hole 78 of the rotary operation lever 7.
7 is rotated to the position where it is most raised from the surface of the chassis 3.
And the rotating arm 50 is furthest away from the disk table 4.
The disc pressing member 51 to the disc position.
Away from the table 4. And the disc pressing part
Of the optical disc 1 against the disc table 4 by the material 51
The pressure holding is released. By the way, as described above, the swing gear 75 is
The turning lever 88 is turned in a direction away from the inter gear 74.
When the engagement lever 90 is
Rotated against the urging force, the meshing surface 111
It faces the rotation locus of the engagement operation piece 91 provided at 76. Then, from the state shown in FIG.
The operation shaft 86 is rotated, and the operation gear 76 is further moved by an arrow in FIG.
When rotated in the L direction, as shown in FIG.
1 is engaged with the meshing surface 111 and the meshing lever 90 is
It turns against the biasing force of the torsion coil spring 109. This
When the engagement lever 106 is rotated, as described above, L
The slide operation lever 106 is
It is slid, and the lock lever 28 is rotated. This
When the lock lever 28 rotates, the locking recess 28
The disc transfer body 1 in the locked state where the cuppin 27 is released.
1 is released. When this lock is released,
Disk transfer body discharge lever 41 is torsion coil spring 43
The disk transfer body 11 is rotated
1 and 2 when the rear end face is pressed by the pressing lock 46.
Is guided by the slide guide shafts 18 and 19 of FIG.
Is discharged out of the housing 2 as described above. The engagement lever 90 can be manually operated.
When the rotation operation is performed, the base end side contacts the support shaft 81 and rotates.
Movement is regulated. And it is impossible to rotate the manual operation shaft 86.
Become. By the way, the lock lever 28 is rotated.
After rotating the manual operation shaft 86 to the position,
When the operation of 86 is released, the engagement lever 90 is
Return to the initial position by the coil spring 109.
The moving lever 88 is also rotated, and the swing gear 75 is moved to the intermediate gear 7.
4 is engaged. Then, the drive motor 66 turns the motor.
Arm 34 can be turned. By the way, when the engagement lever 90 is in the initial position.
When returning, it is turned against the urging force of the tension spring 93.
The oscillating gear return lever 92 is rotated.
You. Due to the rotation of the swing gear return lever 92,
The revolving operation of the revolving lever 88 and the engagement lever 90
And the operation gear 76 is synchronized.
And the oscillating gear 75 are synchronously rotated toward the initial position.
Of the swing gear 75 which swings through the rotation lever 88.
The positive engagement with the operating gear 76 and the intermediate gear 74 is achieved.
You. The engagement lever 90 returns to the initial position.
In the above-described state, the engagement operation piece 9 provided on the operation gear 76
1 is the tip of the engagement lever 90 as shown in FIG.
At the position facing the engagement surface 111 of the
When the operation shaft 86 is rotated, it immediately engages with the engagement operation piece 91.
The engagement of the engagement surface 111 is achieved, and the rotation of the engagement lever 90 is performed.
Movement operation can be performed. Therefore, the lock lever 28 is rotated.
In some cases, the lock of the disk transfer body 11 cannot be released.
However, the manual operation shaft 86 is operated again quickly and surely.
Can be unlocked. As described above, the disk recording according to the present invention is performed.
And / or the playback device may have a motor failure or disc transport
Failure of the mechanism such as the transfer mechanism of the
Is held on the disk table even if
Release the holding disk and move the disk carrier
To remove the disk from the device.
To prevent damage to the disc and ensure reliable protection
In addition, protection of mechanical parts such as the transfer mechanism of the disk transfer body
Can be achieved. Further, the present invention is applicable to a computer slave notation.
When applied to the playback device of a recording device,
It is possible to replace the disk even if it becomes
To use the computer without stopping it.
It becomes possible. The disc recording and / or disc recording according to the present invention
Or, the playback device can manually change the disc holding
When releasing and ejecting the disk transfer unit from the housing,
The disk drive is held by the driving force of the
The transmission of the driving force by the drive transmission mechanism
The load during manual operation can be reduced,
Dynamic operation can be realized. Also, drive the disk holding means.
This prevents unnecessary loads from being applied to the motor
And the drive transmission mechanism can be reliably protected. Sa
In addition, at the same time when the disk
Unlock the disk transfer unit and discharge it to the outside of the housing
So that the disk can be reliably removed,
The protection of the disk is assured, and the
It can be attached to other devices and confirms that the operation of the computer has stopped.
Indeed it can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall perspective view of a disc reproducing apparatus to which the present invention is applied. FIG. 2 is an external perspective view of the disc reproducing apparatus. FIG. 3 is a plan view of the disc reproducing apparatus. FIG. 4 is a front view showing a rotating arm and a reduction gear train. FIG. 5 is a side view showing a rotating arm and a disk table. FIG. 6 is an exploded perspective view showing a rotation mechanism of a reduction gear train and a rotation arm. FIG. 7 is a front view of the reduction gear train as viewed from a rotating arm. FIG. 8 is a plan view showing drive control means of the drive motor. FIG. 9 is a perspective view of a lock release mechanism of the disk transfer body. FIG. 10 is a plan view showing a disc loading state. FIG. 11 is a front view showing the reduction gear train with the oscillating gear separated. FIG. 12 is a plan view showing a meshing state of a meshing lever. [Explanation of Signs] 1 optical disk, 2 housing, 3 chassis, 4
Disk table 5 disk rotation drive device, 11 disk transfer body 27 loading pin, 51 disk pressing member,
62 front panel, 66 drive motor, 67 reduction gear train 79 drive pin, 88 rotating lever, 90
Meshing lever, 91 engaging operation piece

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G11B 17/04 G11B 17/02

Claims (1)

(57) [Claims] The disk transfer body is moved to be able to be taken in and out of the housing with the disk mounted thereon, and the disk transfer body is inserted to a predetermined position in conjunction with a storage operation of storing the disk transfer body in the housing. A disk holding means for holding the disk between a disk table for rotating the disk and a disk pressing member ,
Recording of information signals on the held disc and / or
Or a disk recording and / or reproducing apparatus for performing reproduction.
Te, a motor as a driving source, the holding of the disc holding means by the rotation of the motor
A drive transmission mechanism for performing an operation and a manual operation can be performed by inserting an operation jig through an insertion hole provided in a front panel of the housing.
Drive of the motor by the drive transmission mechanism
Shut off the power and drive the motor by further manual operation.
An apparatus for recording and / or reproducing data from / to a disk, further comprising a discharging means for releasing a state of holding the disk by the disk holding means in a state where power is cut off and discharging the disk transfer body from the housing.