WO2005096292A1 - ディスククランプ装置 - Google Patents
ディスククランプ装置 Download PDFInfo
- Publication number
- WO2005096292A1 WO2005096292A1 PCT/JP2005/006382 JP2005006382W WO2005096292A1 WO 2005096292 A1 WO2005096292 A1 WO 2005096292A1 JP 2005006382 W JP2005006382 W JP 2005006382W WO 2005096292 A1 WO2005096292 A1 WO 2005096292A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arm
- disk
- clamp
- disc
- transfer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
- G11B17/0286—Positioning or locking of single discs of discs rotating during transducing operation by clampers mounted on a pivotal lever
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/021—Selecting or spacing of record carriers for introducing the heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0288—Positioning or locking of single discs of discs rotating during transducing operation by means for moving the turntable or the clamper towards the disk
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
- G11B17/221—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records with movable magazine
- G11B17/223—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records with movable magazine in a vertical direction
Definitions
- the present invention relates to a disk clamp device for pressing a disk on a turntable of a drive unit for playing a disk, and more particularly, to a disk storage portion storing a plurality of disks, and a space formed therebetween.
- the present invention relates to an improvement of a discharge lamp device provided in a drive unit which is transferred to a drive unit.
- a disk device of a type in which a magazine containing a disk is mounted on a device and a disk pulled out from the magazine is automatically reproduced is widely used.
- Such a disk device is excellent in operability in that it is not necessary to perform operations of inserting and ejecting the disks one by one every time the disk is reproduced.
- a magazine that is attached to and detached from the device is required to have sufficient strength to protect a plurality of disks held by the magazine when taken out.
- the wall of the magazine body becomes considerably thicker, which results in an increase in the size of the magazine and the entire device to which it is mounted.
- a guide groove or a rail portion is provided on the inner surface of the magazine side wall in order to pull out a tray or the like for holding a disk in the magazine.
- Patent Document 1 A large disk device requires space for pulling out and playing a disk, so that the device can be reduced in size as a whole.
- disk storage units such as disk holders and disk trays capable of storing a plurality of disks are installed in a stacked state without using a removable magazine.
- a disk device capable of automatically storing a disk inserted therein and automatically discharging the stored disk.
- the thickness of the magazine and the opening and mechanism for attaching and detaching the magazine are not required, so that the device can be downsized.
- the disk storage section is provided so as to be vertically splittable like the above-mentioned split type magazine, and the disk is pulled out by inserting a drive unit into the divided disk storage section. In this way, reproduction can be performed without any problem, and further miniaturization is achieved.
- Patent Document 1 JP-A-11 232753
- Patent Document 2 Japanese Patent Application Laid-Open No. 11-306637
- Patent Document 3 Japanese Patent Application Laid-Open No. 2000-195134
- the clamp arm in a state where the disk is released rises obliquely with respect to the disk surface, and the clamper is also inclined with respect to the disk surface. It becomes. Then, between the disc holder and disc tray The evacuation space required for the transfer is expanded. In addition, the clamper arm in the standby state, which has not been transferred, also stands up in an oblique direction, so that the required space in the height direction of the device increases. Furthermore, in order to avoid contact between the clamp arm and the outer edge of the disk both when the disk is clamped by the crimping part and when the disk is released, it is necessary to provide a pivot for the rotation of the clamp arm at a position separated from the center force of the disk. In addition, the length of the clamp arm needs to be increased, so that the required space in the width direction of the device is also increased.
- the disc conveyed between the disc insertion slot and the disc storage unit passes between the clamper at the disc release position and the turntable.
- the present invention has been proposed to solve the above-described problems of the conventional technology.
- An object of the present invention is to provide a disk clamp device capable of reducing a required space for a disk clamp in the disk device.
- the present invention relates to a transfer arm provided so as to be able to transfer and discharge a space created by dividing a disk storage portion capable of storing a plurality of disks.
- a drive unit mounted on the transfer arm and playing the disk comprising: a turntable on which the disk is mounted;
- the disk clamp mechanism includes a clamp arm provided to be able to move up and down substantially in parallel with a disk surface, And a crimping portion rotatably provided on the arm and for crimping a disc against the turntable when the clamp arm is lowered.
- the clamp arm moves up and down in a state substantially parallel to the disk surface.
- the required space in the vertical direction is reduced.
- it since it can be retracted in a direction substantially parallel to the disk surface, it is possible to prevent contact with the outer edge of the disk even if the clamp arm is not set long, and the required space in the width direction is reduced.
- the invention includes a driving mechanism for driving the transfer arm, and a transmission member for transmitting a driving force of the driving mechanism to the clamp mechanism.
- the transfer member can continuously perform the operation from the transfer of the transfer arm by the drive mechanism, the disk clamp by the disk clamp mechanism, and the reverse operation.
- the drive mechanism has an auxiliary arm that urges the transfer arm in the transfer and transfer directions by rotating, and the transmission member is urged by an end of the auxiliary arm.
- the auxiliary arm is provided rotatably.
- a clamp plate is slidably provided on the transfer arm or a member mounted on the transfer arm, and urges the clamp arm in a direction to move up and down in accordance with the slide movement.
- An urging member for urging the clamp arm in a downward direction is provided.
- the clamp plate is urged by the urging member in the direction in which the clamp arm descends, so that even if vibration or the like is applied, the crimping by the crimping portion is maintained.
- the disk insertion position is The disk clamp mechanism is disposed at a position where a disk moving between the disk holder and the disk storage unit passes between the crimping unit and the turn table.
- a first urging means for urging the clamp arm upward is provided between the crimping portion and the turntable so as to secure a gap through which the disc can pass when the disc is ejected.
- the clamp arm when the crimping portion is moved toward and away from the disk, the clamp arm moves up and down in a state substantially parallel to the disk surface.
- the required space in the vertical direction is reduced.
- contact with the outer edge of the disk can be prevented without requiring a long clamp arm, and the required space in the width direction is reduced.
- the clamp arm when inserting and ejecting the disc, the clamp arm is urged upward by the first urging means, so that not only the clamp arm but also the collision between the crimping portion and the disc are reliably prevented. Can be.
- a drive mechanism for driving the transfer arm via a control member is provided, and the first biasing means is provided on the control member.
- the control member for driving the transfer arm is provided with the first urging means, so that space can be saved by reducing the number of members.
- control member is slidably provided near the transfer arm where the transfer arm is at the transfer position, and the first urging means is integrated with the control member. And a push-up portion which contacts the lower part of the clamp arm and pushes up in accordance with the sliding movement.
- a second urging means for urging the clamp arm in a direction in which the crimping portion crimps the disc is provided only when the disc is crimped by the crimping portion.
- the clamp arm when the crimping portion is moved toward and away from the disk, the clamp arm moves up and down in a state substantially parallel to the disk surface.
- the required space in the vertical direction is reduced. Also retracts in a direction substantially parallel to the disk surface Therefore, even if the clamp arm is not set long, it is possible to prevent contact with the outer edge of the disk, and the required space in the width direction is reduced.
- the clamp arm when the clamp arm is lowered, the clamp arm is urged in the disk pressing direction by the second urging means, so that the disk to be reproduced can be securely held on the turntable, and the vibration resistance is improved. Increase.
- the second biasing means includes a torsion spring having one end locked to the clamp arm and a lower end of the clamp arm which abuts the other end of the torsion spring. And a biasing plate for biasing the torsion spring force so as to apply pressure to the clamp arm in the direction of pressing the disc against the clamp arm.
- the pressure can be reduced to the clamp arm only at the time of pressing the disc by the simple structure of the torsion spring and the urging plate. It does not get in the way.
- the transfer arm or a member mounted on the transfer arm is slidably provided, and the clamp arm is urged in a direction to move up and down according to the slide movement, and the clamp arm is lowered.
- a clamp plate for driving the second urging means is provided.
- the member for moving the clamp arm up and down and the member for driving the second urging means can be shared, so that the configuration of the device can be simplified and space can be saved.
- the apparatus further includes a driving mechanism for driving the transfer arm, the support mechanism rotatably supporting the transfer arm around an axis, and the transfer mechanism near the axis.
- a spacer for facilitating rotation is interposed between the arm and the support, and a third urging means for urging the transfer arm toward the support near the axis is provided. It is characterized by having.
- a spacer for smoothly rotating the transfer arm and a third urging means for urging the transfer arm toward the support are provided near the axis of the transfer arm. This allows stable rotation without blurring without the need for a long shaft. A small and simple configuration requiring little space can be obtained.
- the third biasing means is a circular panel panel.
- the pressure for urging the transfer arm against the support can be equalized by the circular plate panel, and more stable rotation can be realized.
- the drive mechanism is provided rotatably in parallel with the transfer arm with respect to the support, and urges the transfer arm in the transfer and transfer directions in accordance with the rotation. It is characterized by having an auxiliary arm to perform.
- the transfer arm can be driven by the auxiliary arm that rotates in parallel with the transfer arm, so that the space in the height direction can be prevented from increasing while increasing the stability of rotation.
- FIG. 1 is a plan view showing an embodiment of a disk drive according to the present invention.
- FIG. 2 A plan view of the disc of FIG.
- FIG. 3 is a right side view showing a chassis and a shift plate of the disk device of FIG. 1.
- FIG. 4 is a right side view showing a chassis and a shift plate of the disk device of FIG. 1.
- FIG. 5 is a right side view showing a chassis and a shift plate of the disk device of FIG. 1.
- FIG. 6 is a plan view showing a pick arm of the disk device of FIG. 1.
- FIG. 7 A plan view showing a state where the pick arm of FIG. 27 is transferred.
- FIG. 8 A plan view showing a floating lock released state of the pick arm in FIG. 27.
- FIG. 9 A plan view showing a mounting state of a pick arm to a pick chassis of the disk device in FIG.
- FIG. 11 A plan view (A) and a side view (B) showing the spacer of FIG. 9
- FIG. 12 Side view (A) and plan view (B) showing the panel panel of FIG. 9
- FIG. 13 A plan view (A) showing the disk ramp mechanism of the disk device of FIG. 1 when the disk is opened, Side view (B), side view when disc is ejected (A)
- FIG. 14 A plan view (A) and a side view (B) showing the disk clamp mechanism of the disk device of FIG. 1 when the disk is clamped.
- FIG. 15 is a plan view of the disk clamp mechanism of the disk device of FIG. 1 when the disk clamp is completed.
- FIG. 16 Locked front view (A) and unlocked front view (B) showing the elastic support structure of the drive unit with respect to the pick arm of the disk device of FIG.
- FIG. 17 A plan view (A), a side view (B), and a rear view (C) showing a clamp arm of the disk device of FIG.
- FIG. 18 A side view (A) and a front view (B) showing an urging plate of the disk device of FIG.
- FIG. 19 A locked state plan view (A) and an unlocked state plan view (B) of the floating lock mechanism of the disk device in FIG.
- FIG. 20 Locked side view (A) and unlocked side view (B) of FIG. 20
- FIG. 21 is a plan view showing a drive mechanism of the disk device in FIG. 1.
- FIG. 22 is a left side view showing a chassis and a slide plate of the disk device of FIG. 1.
- FIG. 23 An explanatory diagram showing the state of starting the insertion of a disk (A) and the state of retracting a disk (B) in the disk device of FIG.
- FIG. 24 An explanatory view showing the disk device of FIG. 1 when the damper is transferred (A) and when the disk is clamped (B).
- the present embodiment a vehicle-mounted disk device to which the present invention is applied will be specifically described with reference to the drawings.
- the front side of the disk device is referred to as front
- the rear side is referred to as rear
- the directions of up, down, left, and right correspond to the directions as viewed from the front side of the disk device.
- This embodiment has the following schematic configuration as shown in FIGS. (1) Pick chassis 110 on which many trays 250 for storing disk D are stacked (2) The pick 130 provided on the pick chassis 110 and transferred between the divided trays 250 (corresponding to the transfer arm described in the claim)
- a drive chassis 120 disposed on the pick arm 130 and having a drive unit (including a turntable 123 etc.) for playing the disc D
- Floating lock mechanism (including floating lock plates 132 and 133 etc. (Fig. 6) which is arranged on pick arm 130 and performs floating lock of drive chassis 120
- a disk clamp mechanism for mounting the disk D on the turntable 123 including a clamp arm 124, a crankno ring 125 (corresponding to the crimping portion described in the claims), etc.)
- a drive mechanism for driving the pick arm 130 including a pick swing cam plate 138 (corresponding to the control member described in the claims), etc.)
- the transmitting member described in the claims corresponds to the control plate 136, and the auxiliary arm corresponds to the pickswing arm 131.
- the control plate 136 rotates in accordance with the rotation of the pick swing arm 131, and drives the above-described disc clamp mechanism and floating lock mechanism.
- the pick chassis 110 is provided in the chassis 101 so as to be able to move up and down, and a substantially fan-shaped space is formed so that the pick chassis 110 does not interfere with the disk D and the tray 250 by the raising and lowering.
- the front, rear, left and right side surfaces of the pick chassis 110 are bent at right angles to the bottom surface along the inner surface of the chassis 101.
- Pick lifting pins 110-1, 2, and 3 are pressed on the rear surface (FIG. 3), right side surface (FIG. 4), and front surface (FIG. 5) of the pick chassis 110, respectively.
- the pick lifting pins 110-1, 2, and 3 are engaged with vertical pick guide grooves 101-1, 101-4, and 5 formed in the chassis 101.
- the pick elevating pins 110-1, 2, and 3 are formed by stepped grooves or holes formed in the shift plate 108, the shift plate 107, and the shift plate 106 slidably provided on the side surface of the chassis 101, respectively. It is engaged with a pick lifting cam 108-4, 107-2, 106-2. Accordingly, the pick chassis 110 is configured to move up and down by slidingly moving the shift plates 108, 107 and 106 in synchronization. [0037] [2. Pick arm (Figs. 1, 2, 6 to 12)]
- the pick arm 130 is rotatably mounted on the upper left bottom surface of the pick chassis 110 around a shaft 130-1 as a support shaft.
- a pick arm spacer 221 for smoothing the rotation of the pick arm 130 is provided between the pick arm 130 and the upper bottom of the pick chassis 110 on the shaft 130-1. It is sandwiched.
- a disk-shaped panel panel 116 for pressing the pick arm 130 against the pick chassis 110 via the shaft 130-1 is attached to the back side of the pick chassis 110. Is
- the pick arm 130 is provided with a connecting cam 130-2 through which a two-stage roller 131-3 of a pick swing arm 131 described later passes.
- the connecting cam 130-2 has an inclined portion for rotating the pick arm 130 and an arc portion for rotating a control plate 136 described later.
- a hook 130-5 is provided at the tip of the pick arm 130 (the end opposite to the shaft 130-1).
- the hook 130-5 is a portion that is held on the rear side of the pick chassis 110 when the pick arm 130 is swung.
- a holding portion 129 which is a pair of horizontal plates, is fixed to the right rear corner of the pick chassis 110, and the hooks 130-5 are held so as to be sandwiched between the plates.
- a drive chassis 120 provided with a drive unit including a pickup, a turntable, and the like, a clamp arm 124 provided with a clamper and the like are attached to the pickup 130.
- the pick swing arm 131 is disposed between the pick arm 130 and the pick chassis 110 as shown in FIGS. 2, 7 and 8, and is centered on a shaft 131-1 which engages with a hole of the pick chassis 110. , Is rotatably attached to the pick chassis 110.
- a roller 131-2 is rotatably mounted on the left back surface of the shaft 131-1 of the pick swing arm 131. The roller 131-2 is passed through a cam groove 138-1 of a pick swing cam plate 138 described later.
- a two-stage roller 131-3 is rotatably attached. The two-stage roller 131-3 passes through a connecting cam 130-2 provided on the pick arm 130.
- the pick swing cam plate 138 is attached to the back surface of the pick chassis 110 so as to be slidable back and forth, as shown in FIGS. As shown in FIG. 8, the pick swing cam plate 138 has a push-up portion 138-2 whose left end is bent upward and further stepped inward at the upper portion. The push-up portion 138-2 secures a clearance for inserting the disk D by pushing up the push-up portion 124-6 of the clamp arm 124 with a downward force as shown in FIG.
- the transfer cam 138-1 which is a groove or a hole formed on the bottom surface of the pick swing cam plate 138, passes through the rollers 131-2 of the pick swing arm 131, and has a rear portion that is linear in the front-rear direction. Has an arc shape. Therefore, as shown in FIGS. 6 to 8, when the pick swing cam plate 138 moves rearward (direction A), the pick swing arm 131 rotates clockwise. In accordance with the rotation of the pick swing arm 131, the two-stage roller 131-3 attached in front of the pick swing arm 131 moves inside the connecting cam 130-2 formed on the pick arm 130 while moving. The configuration is such that the pick arm 130 is urged to rotate in the counterclockwise direction.
- the drive chassis 120 is elastically supported by inserting pins 120-1 fixed thereto into dampers 121 arranged at three points on a pick arm 130. .
- a barrel-shaped coil spring 122 is disposed between the drive chassis 120 and the pick arm 130 in such a manner that the pin 120-1 and the damper 121 pass through the inside thereof.
- the drive chassis 120 is doubly elastically supported on the pick arm 130 by a coil spring 122 and a damper 121.
- a pair of the damper 121 and the coil spring 122 are disposed on the distal end side (the right side in FIG. 16) of the pick arm 130 so as to be separated from a turntable 123 described later.
- the drive chassis 120 is provided with a drive unit.
- This drive unit includes a turntable 123 on which the disk D is placed and a spindle motor M3 for rotating the turntable 123.
- a pick-up unit for reading the signal of the disk D and a thread for moving the pickup unit.
- Pickup with motor, feed screw, etc. Provide the necessary components for playing the disc D, such as a backup feed mechanism.
- a disk clamping mechanism force for mounting the disk D on the turntable 123 is configured as follows. First, a clamper 125 for holding the disc D on the turntable 123 and a clamp arm 124 to which the clamper 125 is rotatably mounted coaxially with the turntable 123 are provided.
- pins 124-1 formed on the vertical surfaces on both sides at the rear portion thereof are inserted into vertical grooves 120-2 formed on the vertical surfaces on both sides of the drive chassis 120. Thereby, it is provided movably in the vertical direction.
- the clamp arm 124 is attached to the left side of the clamp arm 124 so as to be rotatable about a rear end force pin 124-1 of a substantially T-shaped urging plate 124-2 shown in FIG.
- the pin 124-3 provided at the front end of the urging plate 124-2 is passed through a groove 120-3 formed on the left vertical surface of the drive chassis 120 in parallel with the groove 120-2! /
- the clamp arm 124 is moved up and down in parallel with the drive chassis 120 by the movement of the pin 124-1 along the grooves 120-2 and 3 described above. It is controlled by the sliding movement of the clamp plate 127 provided in the camera. The slide movement of the clamp plate 127 is performed by the control plate 136. That is, the clamp plate 127 is provided with a groove 127-3 that engages with a pin 136-3 provided on a control plate 136 described later, and is configured to be slidable in accordance with the rotation of the control plate 136. ing.
- an inclined cam 127-1 that is inserted into the pin 124-1 of the clamp arm 124 is formed, and on the left vertical surface, a biasing plate is provided.
- Spring 500 is provided between the front end of the clamp plate 127 and the drive chassis 120.
- a torsion spring 128 is provided at the rear of the clamp arm 124 as shown in FIG.
- One end of the torsion spring 128 passes through a hole 124-5 formed on the vertical surface on the left side of the clamp arm 124, and the other end of the torsion spring 128 is engaged with the rear end of the clamp arm 124.
- the upper end of the biasing plate 124-2 is in contact, and one end of the torsion spring 128 is in contact with this upper end as shown in FIG. For this reason, when the pin 124-3 is urged downward by the tilt cam 127-2, the urging plate 124-2 rotates about the pin 124-1 and the upper end of the urging plate 124-2. Force One end of the torsion spring 128 is biased forward.
- the torsion spring 128 normally has both ends in contact with the clamp arm 124, and no urging force is applied. As described above, when one end of the torsion spring 128 is urged forward by the upper end of the urging plate 124-2, the torsion spring 128 moves the rear end of the clamp arm 124 to the position shown in FIG. (B) is biased so as to rotate clockwise around the pin 124-1 as a fulcrum, so that the clamp arm 124 rotates so that the clamper ring 125 is pressed against the turntable 123 side. Has become.
- the push arm 138-1 comes into contact with the left end of the clamp arm 124 according to the sliding movement of the pick swing cam plate 138, so that the clamp arm 124 moves upward.
- a pushed upper portion 124-6 which is urged to rotate is formed.
- a light spring 120-6 force S is attached between the clamp arm 124 and the drive chassis 120, so that the clamp arm 124 is urged downward.
- the clamp arm 124 is pushed up by the push-up portion 138-1, so that a space necessary for the passage of the disk D is secured between the clamper 125 and the turntable 123.
- the floating lock mechanism is constituted by the following members operated by a control plate 136 rotatably supported by the pick arm 130. That is, as shown in FIG. 19, the pick arm 130 has a floating lock plate. 132, 133 force It is provided to be able to slide.
- the floating lock plates 133 and 132 are connected to each other via a link arm 135 rotatably provided on the pick arm 130 so as to slide in opposite directions.
- the opposing ends of the floating lock plates 132, 133 are engaged with lock claws 120-4, 5 formed before and after the drive chassis 120 as shown in FIG. Lock holes 132-1, 133-1 for switching between the locked state and the floating state of the chassis 120 are formed.
- the lock hole 132-1 is engaged with the lock claw 120-5 by the spring 432 (the biasing member described in the claims) provided between the floating lock plate 132 and the pick arm 130. (Locking direction). Accordingly, the floating lock plate 133 connected to the floating lock plate 132 via the link arm 135 is also urged in the direction (lock direction) in which the lock claw 120-4 engages the lock hole 133-1. . Accordingly, at the time of locking, the drive chassis 120 is sandwiched by the opposing side force floating lock plates 132 and 133.
- a cam groove 136-1, 136-2 force is formed on a controller port 136 provided rotatably between the floating lock plates 132, 133!
- the cam groove 136-1 is configured to engage with the two-stage roller 131-3 according to the rotation of the pick swing arm 131 (see FIG. 6).
- the cam groove 136-2 is engaged with the pin 133-2 provided on the floating lock plate 133 according to the rotation of the control plate 136, and the floating lock plate 133 is moved in the opposite direction to the locking direction (the floating direction). ).
- the floating lock plate 133 is biased in the floating direction in this manner, the floating lock plate 132 connected via the link arm 135 also moves in the opposite direction (floating direction) to the lock direction. I have.
- the locking direction and the floating direction are opposite to each other in the floating lock plate 133 and the floating lock plate 133.
- any well-known technology can be applied for the tray 250 in which the disk D is stored and divided at the time of reproduction.
- a rotating drum cam 210 is arranged upright as shown in FIGS. 1 and 2, and a step-like step formed around the drum cam 210 is formed around the tray 250. It is conceivable that the claw provided on the edge of the tray 250 is passed through the groove, so that the tray 250 moves up and down according to the rotation of the drum force 210.
- the above-described pick swing cam plate 138 constitutes a drive mechanism for rotating the pick swing arm 131 and the pick arm 130 in accordance with the sliding movement thereof, and for continuously operating the disc clamp mechanism and the floating lock mechanism.
- the driving mechanism any known technique can be applied.
- the pick swing is determined by the combination of the motor Ml provided on the chassis 101, the speed reduction mechanism, the spur gears 111-1, 1112, the circular cam plate 104, the link arm 119, and the slide plate 137.
- the following configuration in which the force plate 138 slides is considered. That is, the motor Ml serving as a drive source is attached to the left rear corner of the chassis 101. The rotational driving force of the motor Ml is transmitted to the spur gears 111-1 and 111-2 rotatably mounted on the chassis 101 via the speed reduction mechanism.
- a circular cam plate 104 having a gear groove formed on the outer periphery is attached to the bottom surface of the chassis 101 so as to be rotatable around a force shaft 104-1.
- the circular cam plate 104 is provided with a swing drive cam 104-2, which is a groove or a hole that engages with a roller 119-2 of a link arm 119 described later.
- the link arm 119 is attached to the upper portion of the bottom surface of the chassis 101 so as to be rotatable around a shaft 119-1.
- a roller 119-2 is rotatably provided at one end of the link arm 119, and a pin 119-3 is formed at the other end thereof.
- the roller 119-2 passes through the swing drive cam 104-2.
- a slide plate 137 On the left side of the chassis 101, a slide plate 137 is provided so as to be slidable back and forth.
- the pin 119-3 of the link arm 119 is connected to the connection hole 137-1 provided in the slide plate 137 so as to be rotatable and movable left and right! ⁇ On the left side of the slide plate 137, as shown in FIG. 22, there is provided an abutting portion 137-2 which is vertically raised, and the abutting portion 137-2 is provided on the pick swing cam plate 1. Abuts 38.
- the swing drive cam 104-2 provided on the circular cam plate 104 has a continuous meandering shape, and the roller 119-2 engaged with the swing drive cam 104-2 is rotated by the rotation of the circular cam plate 104 to rotate the shaft 104-2.
- It is configured to bias the link arm 119 by changing the distance to 4. Therefore, when the driving force of the motor Ml is transmitted to the circular cam plate 104 via the speed reduction mechanism and the spur gears 111-1, 111-2, the swing driving cam 104-2 is rotated together with the rotation of the circular cam plate 104.
- the link arm 119 is rotated by being moved and appropriately biasing the roller 119-2.
- the motor Ml is controlled by a microcomputer that operates according to a predetermined program according to an input signal from input means such as an operation button.
- reference numeral 401 denotes a loading roller 401 provided in a general disk device. That is, as shown in FIG. 23 (A), the disc D inserted from the disc inlet 101-7 is pulled in by the loading roller 401, and as shown in FIG. 23 (B), the clamper 125 and the turntable The paper passes between 123 and is stored in the upper part of each tray 250. At the time of playback of the disc D, as shown in FIG. 24A, the upper and lower trays 250 are separately retracted from the tray 250 in which the desired disc D is stored.
- the drive arm is rotated by rotating the pick arm 130 so that the desired disk D can be inserted between the turntable 123 and the clamper 125 into the space created by the retreat of the tray 250 in this way. Then, as shown in FIG. 24 (B), by lowering the clamp arm 124, the disc D is clamped by the turntable 123 and the clamper ring 125. Further, the disc D on the turntable 123 is rotated by a spindle motor, and the information is read by an optical pickup moved by a feed mechanism.
- the pick arm 130 To transfer the pick arm 130, first, the upper and lower trays 250 of the selected tray 250 are retracted separately, and the ring gear 105 is rotated by the circular cam plate 104 which is rotated by the operation of the motor Ml. By sliding the plate 137 backward (direction A in FIG. 22), the pick swing cam plate 138 is moved backward (direction A in FIG. 6).
- the roller 131-2 is urged by the transfer cam 138-1 provided on the pick swing cam plate 138, and the pick swing arm 131 rotates clockwise. Since the two-stage roller 131-3 of the pick swing arm 131 moves along the connecting cam 130-2 of the pick arm 130, the pick arm 130 rotates counterclockwise. The rotation of the pick arm 130 is made smooth and stable by the action of the pick arm spacer 221 and the plate panel 116. The hook 1305 at the tip of the pick arm 130 thus rotated is held by reaching the rotation end by being inserted into the holding portion 129, as shown in FIG. At this time, the clamper 125 and the turntable 123 come above and below the disk D to be selected.
- the pins 136-3 of the control plate 136 are engaged with the grooves 127-3 of the clamp plate 127. Accordingly, the clamp plate 127 starts sliding rightward in the figure according to the rotation of the control plate 136. Then figure 14 (A) As shown in (B), since the pin 124-1 of the clamp arm 124 is urged downward by the inclined cam 127-1 of the clamp plate 127, the clamp arm 124 descends in the vertical direction, The clamper 125 clamps the inner diameter of the disc D between the turntable 123 and the disc. Further, as shown in FIG. 15, when the control plate 136 rotates counterclockwise, the pin 136-3 force is released from the cam groove 127-3 force of the clamp plate 127.
- the movement of the tilt cam 127-2 causes the pin 124 of the urging plate 124-2 to move.
- the upper end of the urging plate 124-2 urges one end of the torsion spring 128 forward. Since the torsion spring 128 is attached to the clamp arm 124 as described above, the torsion spring 128 is urged to rotate clockwise about the pin 124-1 serving as a support shaft.
- the clamp arm 124 that has been in the horizontal state slightly rotates in the direction in which the clamper ring 125 presses the disk D against the turntable 123, and the pressure from the torsion spring 128 is applied to the clamper ring 125. Since the clamp plate 127 is held in the disk pressing direction by the spring 500, the clamp plate 127 is prevented from returning in the opposite direction in a floating state described later.
- the floating lock is released. That is, as shown in FIG. 8, when the pick swing arm 131 and the control plate 136 are rotated by the sliding movement of the pick swing cam plate 138, the pick swing cam plate 138 floats in the cam groove 136-2 of the control plate 136. Pin 133 of lock plate 133 engages 2 forces S, and slides in the floating direction with floating lock plate 133 force.
- the floating lock plate 132 connected to the floating lock plate 133 via the link arm 135 also slides in the floating direction.
- the lock claws 120-4 and 5-4 of the drive chassis 120 are released from the lock holes 133-1 and 132-1 as shown in FIG. 16 (B) and FIG. 20 (B).
- the drive chassis 120 is in a floating state supported only by the damper 121 and the coil spring 122.
- the disk D crimped on the turntable 123 as described above is
- the disk 250 is released by lowering, it is rotated by the spindle motor M3 and the pickup unit is scanned by the feed mechanism, so that the information recorded on the disk D is read.
- the disc D is returned to the tray 250 after the end of the reproduction, the floating lock state is achieved by performing the reverse operation, the disc D is released from the turntable 123, and the pick arm 130 is moved to the tray 250. Swinging out from between, the hand jet is as follows.
- the tray 250 rises to hold the disc D, and the operation of the motor M1 causes the pick swing cam plate 138 to move forward (in the opposite direction to A in the figure) as shown in FIGS. ),
- the roller 131-2 is urged by the transfer cam 138-1 to rotate the pick swing arm 131 counterclockwise.
- the two-stage roller 131-3 of the picking arm 131 moves along the connecting cam 130-2 of the pick arm 130. Therefore, the control plate 136 in which the two-stage roller 131-3 is engaged with the cam groove 136-1 rotates clockwise.
- the pin 133-2 engaged with the cam groove 136-2 is urged, and the floating lock plate 132 slides in the locking direction.
- the floating lock plate 132 connected to the floating lock plate 133 via the link arm 139 also slides in the locking direction.
- the lock holes 133—1, 132—1 engage the lock holes 133—1, 132—1 so that the dampers 121 and the coil springs 122 are compressed, and the drive chassis 120 is moved to the pick chassis 110.
- the locked state is fixed at the top.
- the pin 133-2 of the floating lock plate 133 is disengaged from the cam groove 136-2 as shown in FIG. At this time, since the urging force of the spring 432 is applied, the floating lock plates 132 and 133 are prevented from rattling.
- the pin 136-3 of the control plate 136 is engaged with the groove 127-3 of the clamp plate 127 in accordance with the rotation of the control plate 136.
- the plate 127 starts to slide (to the left in FIG. 14), and the tilt cam 127-2 This urges pin 124-3 upward.
- the urging plate 124-2 rotates, and the upper end thereof also releases one end force of the torsion spring 128, so that the urging plate 124-2 and the clamp arm 124 are integrated.
- the tilt cam 127-1 also urges the pin 124-1 of the clamp arm 124 upward, so that the clamp arm 124 moves up in the vertical direction.
- the clamper 125 releases the inner diameter of the disk D as shown in FIG.
- the released disk D is held on the tray 250 side.
- the pick swing arm 131 rotates counterclockwise by the slide movement of the pick swing cam plate 138, the two-step opening 131-1 of the pick swing arm 131 connects the pick arm 130.
- pick 130 begins to rotate clockwise.
- the hook 130-5 at the tip of the pick arm 130 is disengaged from the holding portion 129, and the disc D is already released up and down as described above. It moves in the direction of swinging out from between the trays 250, returns to the initial position, and stops.
- the trays 250 move in the directions approaching each other and return to the stored state.
- the pick chassis 110 is lowered to the lowermost position and stands by, and the disc D force is provided in front of the chassis 101 selected by the tray 250 group being moved up and down by the rotation of the drum cam 210.
- the disc D is ejected from the tray 250 by the loading roller 401 when the disc D is positioned at the disc inlet 101 — 7 (see FIG. 5).
- the pick-up portion 138-2 is moved by the clamp swing arm plate 138 by the movement of the pick swing cam plate 138. An operation of pushing up the push-up portion 124-6 is performed, and a necessary clearance between the clamper ring 125 and the turntable 123 is secured.
- the clamp arm 124 moves up and down in a state parallel to the surface of the disk D. Therefore, the height required for retracting the disk D force is lower than when starting up in an inclined state. Therefore, 250 intervals are required for the trays to be split In addition to minimizing the space, the required space in the height direction during standby when no transfer is made can be reduced. Further, since the clamp arm 124 moves up and down in a horizontal state, it is possible to prevent contact with the outer edge of the disk D without increasing the length of the clamp arm 124, and the required horizontal space is reduced.
- the clamp arm 124 When the disc D to be inserted and ejected is passed between the clamper 125 and the turntable 125, the clamp arm 124 is raised in a horizontal state, and the push-up part 138-2 is used. By being pushed up, a sufficient clearance is secured between the clamper ring 125 and the turntable 123. Therefore, it is possible to configure a compact disk device suitable for use in a vehicle as a whole while reliably preventing the contact with the disk D.
- the clamp arm 124 when the clamp arm 124 is lowered, the clamp arm 124 is urged in the direction of pressing the disk by the torsion spring 128, so that the disk D to be reproduced is securely held on the turntable 123. And vibration resistance is improved.
- the pressure is applied to the clamp arm 124 only when the disk is crimped. So that the disc D passing between the clamper 125 and the turntable 123 is not obstructed.
- the clamp arm 127 raises and lowers the clamp arm 124 and drives the urging plate 124-2, the configuration of the apparatus can be simplified and space can be saved.
- the single control plate 136 shifts from the swing of the pick arm 130 by the drive mechanism including the pick swing cam plate 138 to the disk clamp by the lifting and lowering of the clamp arm 124, and vice versa. Since the operation can be continuously performed smoothly, the configuration of the apparatus can be greatly simplified. In particular, since the control plate 136 operates the clamp plate 127 by rotating, the continuous operation can be realized with a small required space.
- the clamp plate 127 biased by the control plate 136 can shift between the clamped state and the released state of the disc by sliding movement, so that the disc clamp can be securely held by a simple mechanism. realizable.
- the clamp plate 127 is lowered by the spring 500 so that the clamp arm 124 is lowered and the clamper 125 is dismounted. Since the disc D is urged in the direction of crimping, the crimping is maintained even if the disc D swings due to vibration or the like during floating.
- the pick swing cam plate 138 for rotating the pick arm 130 is provided with the push-up portion 138-2, space can be saved by reducing the number of members.
- the push-up part 138-2 is an integrated structure in which the side surface of the pick swing cam plate 138 is bent stepwise, and when the pushed-up part 124-6 of the clamp arm 124 is pushed up from below according to the sliding movement,! /, The simple configuration makes operation more reliable.
- a pick arm spacer 221 for facilitating the rotation of the pick arm 130 and a plate panel 116 for urging the pick arm 130 toward the pick chassis 110 there are provided a pick arm spacer 221 for facilitating the rotation of the pick arm 130 and a plate panel 116 for urging the pick arm 130 toward the pick chassis 110.
- the present invention is not limited to the above embodiments.
- the mechanism for raising and lowering the tray, the driving mechanism for rotating the pick arm, the floating lock mechanism, and the like are not limited to those exemplified in the above embodiment.
- the configuration of the disk clamp mechanism and the like is not limited to those exemplified in the above embodiment.
- the phrase “the clamp arm moves up and down in a state substantially parallel to the disk surface” excludes the case where the clamp arm rotates around the support shaft and rises in an oblique direction, and the lifting force is completely eliminated. It is not intended to limit to a parallel state. Since a vertical type disk device is also conceivable, the force is not limited to the horizontal direction.
- the meaning of ascending and descending is not limited to the movement in the vertical direction, but is broad in meaning including moving in the direction of coming and going to and from the disk.
- each member and its number, arrangement position, arrangement interval, operation distance, and the like are also free.
- the spring for biasing the pair of floating lock plates may be provided so as to bias one of them, or may be provided in both.
- any well-known material can be applied as long as it can realize smooth rotation of the pick arm, and the shape is not limited to those exemplified in the above embodiment. .
- a structure in which the spacer and the pick arm are integrally formed can be obtained by making the whole or a part of the pick arm a member having a smooth surface.
- the shape of the panel panel is not limited to those exemplified in the above embodiment, and the material thereof is also free.
- the present invention can be widely applied to flat recording media other than those which are suitable for a disk device handling a CD, a DVD or the like. Further, since the present invention is resistant to vibrations, the force is suitable for a disk device mounted on a vehicle. The present invention is not limited to this, and can be applied to various disk devices such as a stationary type and a portable type.
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05727347A EP1734520B1 (en) | 2004-03-31 | 2005-03-31 | Disk clamp device |
US11/547,508 US7774805B2 (en) | 2004-03-31 | 2005-03-31 | Disk clamping device |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-108461 | 2004-03-31 | ||
JP2004108438A JP2005293738A (ja) | 2004-03-31 | 2004-03-31 | ディスククランプ装置 |
JP2004-108467 | 2004-03-31 | ||
JP2004-108438 | 2004-03-31 | ||
JP2004108467A JP2005293741A (ja) | 2004-03-31 | 2004-03-31 | ドライブユニット振り込み装置 |
JP2004108461A JP4563712B2 (ja) | 2004-03-31 | 2004-03-31 | ディスク装置 |
JP2004108493A JP4532153B2 (ja) | 2004-03-31 | 2004-03-31 | ディスククランプ装置 |
JP2004-108493 | 2004-03-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005096292A1 true WO2005096292A1 (ja) | 2005-10-13 |
Family
ID=35064033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/006382 WO2005096292A1 (ja) | 2004-03-31 | 2005-03-31 | ディスククランプ装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7774805B2 (ja) |
EP (1) | EP1734520B1 (ja) |
WO (1) | WO2005096292A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998040887A1 (fr) * | 1997-03-10 | 1998-09-17 | Mitsubishi Denki Kabushiki Kaisha | Dispositif pour disque |
JPH10255376A (ja) * | 1998-04-24 | 1998-09-25 | Pioneer Electron Corp | ディスクプレーヤ |
JPH1196646A (ja) * | 1997-09-17 | 1999-04-09 | Alpine Electron Inc | ディスク装置におけるディスク装填装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0810522B2 (ja) * | 1990-02-09 | 1996-01-31 | パイオニア株式会社 | マルチディスクプレーヤ |
JP2534922B2 (ja) * | 1990-02-09 | 1996-09-18 | パイオニア株式会社 | 複数ディスク収納プレ―ヤ |
JP3627945B2 (ja) | 1996-06-12 | 2005-03-09 | シンワ株式会社 | 情報記録ディスクの記録再生装置 |
JP3514588B2 (ja) | 1996-08-23 | 2004-03-31 | アルパイン株式会社 | ディスク装置 |
JP3492106B2 (ja) | 1996-08-30 | 2004-02-03 | キヤノン株式会社 | 振動波モータ |
JP3320344B2 (ja) | 1997-09-19 | 2002-09-03 | 富士通株式会社 | ライブラリ装置用カートリッジ移送ロボットおよびライブラリ装置 |
JP3817052B2 (ja) | 1998-02-17 | 2006-08-30 | クラリオン株式会社 | ディスク装置 |
JP3817062B2 (ja) | 1998-04-17 | 2006-08-30 | クラリオン株式会社 | ディスク装置及びディスクマガジン |
JP3502766B2 (ja) * | 1998-06-03 | 2004-03-02 | パイオニア株式会社 | ディスク再生装置 |
US6370105B1 (en) | 1998-07-30 | 2002-04-09 | Fujitsu Ten Limited | Recording media accommodating apparatus including a playback mechanism that transfers media |
JP3621264B2 (ja) | 1998-07-30 | 2005-02-16 | 富士通テン株式会社 | 記録媒体の収納装置 |
JP3822989B2 (ja) | 1998-12-28 | 2006-09-20 | クラリオン株式会社 | ディスク再生装置 |
JP2000285565A (ja) | 1999-03-31 | 2000-10-13 | Pioneer Electronic Corp | 記録媒体再生装置 |
KR100714957B1 (ko) * | 1999-09-28 | 2007-05-09 | 소니 가부시끼 가이샤 | 디스크의 기록 및/또는 재생 장치 |
JP3978947B2 (ja) * | 1999-09-29 | 2007-09-19 | ソニー株式会社 | ディスクの記録及び/又は再生装置 |
JP4292695B2 (ja) | 2000-07-31 | 2009-07-08 | ソニー株式会社 | ディスク受板とディスク記録及び/又は再生装置 |
JP3991570B2 (ja) * | 2000-09-27 | 2007-10-17 | 三菱電機株式会社 | ディスク再生装置 |
JP3770835B2 (ja) | 2002-01-17 | 2006-04-26 | アルパイン株式会社 | ディスク装置 |
-
2005
- 2005-03-31 WO PCT/JP2005/006382 patent/WO2005096292A1/ja active Application Filing
- 2005-03-31 EP EP05727347A patent/EP1734520B1/en not_active Ceased
- 2005-03-31 US US11/547,508 patent/US7774805B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998040887A1 (fr) * | 1997-03-10 | 1998-09-17 | Mitsubishi Denki Kabushiki Kaisha | Dispositif pour disque |
JPH1196646A (ja) * | 1997-09-17 | 1999-04-09 | Alpine Electron Inc | ディスク装置におけるディスク装填装置 |
JPH10255376A (ja) * | 1998-04-24 | 1998-09-25 | Pioneer Electron Corp | ディスクプレーヤ |
Also Published As
Publication number | Publication date |
---|---|
EP1734520A4 (en) | 2008-06-25 |
EP1734520B1 (en) | 2011-06-29 |
US20070279800A1 (en) | 2007-12-06 |
EP1734520A1 (en) | 2006-12-20 |
US7774805B2 (en) | 2010-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH11273208A (ja) | ディスク再生装置 | |
JP2005251363A (ja) | ディスクドライブ装置、フレーム、ディスクドライブ装置セット、電子機器 | |
JPH11273219A (ja) | ディスクチェンジャ | |
WO2005096297A1 (ja) | フローティングロック装置 | |
WO1995020218A1 (fr) | Appareil d'enregistrement et/ou reproduction sur disque et mecanisme de chargement de disque | |
WO2005096292A1 (ja) | ディスククランプ装置 | |
JP4420717B2 (ja) | ドライブユニット振り込み装置及びディスク装置 | |
JP6152687B2 (ja) | ディスク搬送装置 | |
JP4563712B2 (ja) | ディスク装置 | |
JP4532153B2 (ja) | ディスククランプ装置 | |
US6538970B1 (en) | Disk device for loading and ejecting disks | |
WO2000079529A1 (fr) | Dispositif a disques | |
JP4420718B2 (ja) | フローティングロック装置 | |
JP2005293738A (ja) | ディスククランプ装置 | |
JP4482910B2 (ja) | フローティングロック装置 | |
WO2004088651A1 (ja) | ディスク装置及びドライブユニット駆動機構 | |
JP2900665B2 (ja) | ディスクローディング装置 | |
JP2005293741A (ja) | ドライブユニット振り込み装置 | |
JP4482907B2 (ja) | ディスク装置 | |
JP4482908B2 (ja) | ディスク装置 | |
JP4420714B2 (ja) | ディスク装置 | |
JP3621262B2 (ja) | 記録媒体の再生装置 | |
JP4482906B2 (ja) | ディスク装置 | |
JP2004303371A (ja) | ドライブユニット駆動機構 | |
JP3621261B2 (ja) | 記録媒体の再生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2005727347 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200580016375.6 Country of ref document: CN |
|
WWP | Wipo information: published in national office |
Ref document number: 2005727347 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11547508 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 11547508 Country of ref document: US |