WO2005071674A1 - ディスク保持装置及びディスクチェンジャー装置 - Google Patents
ディスク保持装置及びディスクチェンジャー装置 Download PDFInfo
- Publication number
- WO2005071674A1 WO2005071674A1 PCT/JP2005/000178 JP2005000178W WO2005071674A1 WO 2005071674 A1 WO2005071674 A1 WO 2005071674A1 JP 2005000178 W JP2005000178 W JP 2005000178W WO 2005071674 A1 WO2005071674 A1 WO 2005071674A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- disk
- turntable
- hole insertion
- holding device
- insertion portion
- Prior art date
Links
- 238000003780 insertion Methods 0.000 claims abstract description 79
- 230000037431 insertion Effects 0.000 claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000001174 ascending effect Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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
- G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
Definitions
- the present invention relates to a disc holding device for holding a disc such as a CD (Compact Disc) or a DVD (Digital Versatile Disc) on a turntable, and a disc changer device provided with the disc holding device.
- a disc holding device for holding a disc such as a CD (Compact Disc) or a DVD (Digital Versatile Disc) on a turntable, and a disc changer device provided with the disc holding device.
- disk devices Various types of disk recording / reproducing devices (hereinafter, abbreviated as “disk devices”) that include a disk holding device for holding a disk on a turntable and that can record, Z, or reproduce information on the disk have been developed. Te ru.
- a disk device or a disk changer device provided with such a disk holding device is required to be small depending on the installation location, for example, because a large space cannot be occupied.
- Patent Document 1 JP-A-10-283707 (FIGS. 12-14)
- the disk holding device 101 provided with a turntable 102 and a disk hole insertion portion 102A is provided with a force for inserting the disk holding device 101 together with the chassis 103 into a gap G between the disk holding device 101 and the disk D2 immediately below the disk D2. Since it is bulky, the dimension S in the height direction of the gap G required for insertion thereof is also increasing.
- such a disk holding device 101 generally has a configuration in which the disk hole insertion portion 102A protrudes from the turntable 102 in a state where the disk hole insertion portion 102A is fixed, and thus the disk hole insertion portion 102A protrudes. Accordingly, it is necessary to ensure a large vertical length of the gap G, and accordingly, the overall height of the disk holding device 101 is also increased.
- the present invention has been made in view of the above circumstances, and has as its object to provide a disk holding device that can be made thinner than a conventional disk holding device, and a disk changer device equipped with the disk holding device.
- a disk holding device of the present invention includes a turntable on which a disk is placed, and a disk hole insertion portion provided at the center of the turntable and inserted into a center hole of the disk.
- the inlet has a configuration provided on the turntable so as to be able to move up and down with respect to the surface of the turntable on which the disk is mounted.
- the disk hole insertion portion is configured to be housed inside the turntable, and it is possible to reduce the thickness of the entire disk holding device.
- the disk hole insertion portion when the disk hole insertion portion is moved to the lower side (recording surface side) of a desired disk, the disk hole insertion portion is stored in the turntable until the disk hole reaches the center hole (center hole) position. It can be moved in a thinned state
- the size of the gap between the turntable and the disk can be minimized.
- the disk holding device of the present invention has a rotation driving means for rotating the turntable, and the disk hole insertion portion receives the rotational force from the rotation driving means in the disk hole insertion portion.
- the conversion means for converting the force into the lifting force is interpolated.
- the conversion means since the conversion means is accommodated inside the disk hole insertion portion, the height dimension can be reduced accordingly. Also, according to the above configuration, by providing the converting means, the drive source for the elevating operation of the disk hole insertion portion can also serve as the rotary drive source for the turntable, so that the size and weight can be further reduced. You can do it.
- the disk holding device of the present invention has a configuration in which the conversion means includes a screw member for screwing the drive means side and the disk hole insertion section side.
- the conversion unit can be configured with a simple configuration.
- the converting means may include a female screw portion formed on a peripheral surface of an inner hole provided in the disk hole insertion portion, and a female screw portion formed on an outer peripheral surface of the screw member.
- a male screw part screwed into the screw part and a rotation stopping means for temporarily stopping the rotation of the turntable are provided.
- the force of the screw portion of both the male and female members is increased, and the disc hole insertion portion is moved up and down by the pushing action of the screw that reduces the rotational force of the screw member (for example, a normally used single screw).
- the conversion means for linearly moving the disk hole insertion portion by one pitch in the axial direction by one rotation of the screw member) can be formed in the inner hole and the screw member having a simple configuration.
- the conversion means may include a female screw portion formed on a peripheral surface of an inner hole provided in the disk hole insertion portion, and a female screw portion formed on an outer peripheral surface of the screw member.
- a male screw part screwed into the screw part and a rotation stopping means for temporarily stopping the rotation of the turntable are provided.
- the disk on the turntable be securely fixed by the rotation stopping means, but also the operation can be performed without requiring a dedicated driving source for driving the rotation stopping means. Therefore, the size and weight of the apparatus can be further reduced.
- the disc changer device of the present invention provides a plurality of trays for storing discs, and a turntable transfer means for moving a turntable for mounting the discs below one of the plurality of trays. And the above-mentioned disk holding device.
- the disk hole insertion portion of the disk holding device is configured to be able to be housed inside the turntable, and the dimension in the height direction and the like do not increase. Therefore, This makes it possible to reduce the thickness of the entire disc holding device, thereby providing a disc changer device that can be reduced in thickness.
- the disc hole insertion portion is accommodated in the turntable so as to be able to move up and down with respect to the surface of the turntable on which the disc is mounted, so that the disc to be reproduced or recorded is placed closer to the turntable.
- a disk holding device having an effect that the entire device can be made thinner than a conventional device and a disk changer device provided with the disk holding device can be provided.
- FIG. 1 is a plan view showing a standby state of a disk changer device according to an embodiment of the present invention.
- FIG. 2A is a plan view showing a standby state of a disk holding device according to an embodiment of the present invention.
- (B) is an ex-ex sectional view of the disk holding device shown in (A).
- FIG. 3 is an enlarged cross-sectional view showing the vicinity of a protrusion of the disk holding device, where (A) is an ⁇ - ⁇ cross section in FIG. 2 (A), and ( ⁇ ) is j8—j8 in FIG. 2 ( ⁇ ). cross section
- FIG. 4 (A) is a plan view showing a state of the disk holding device according to the embodiment of the present invention during performance
- FIG. 4 (B) is a sectional view of the disk holding device shown in FIG.
- FIG. 5 is a cross-sectional view showing, in an enlarged manner, the periphery of a protrusion of the disk holding device, (A) is an ⁇ - ⁇ cross section in FIG. 4 (A), and ( ⁇ ) is j8—j8 in FIG. 4 ( ⁇ ). cross section
- FIG. 6 is a schematic cross-sectional view showing a state where the disk holding device of the disk changer device according to the embodiment of the present invention is inserted between the disks in the tray portion.
- FIG. 7 is a plan view showing a state where the disk holding device is inserted between the disks in the tray section.
- FIG. 8 is a schematic cross-sectional view showing a state in which the disk is placed on the turntable by descending the tray from the state of FIG.
- FIG. 9 State force of FIG. 8 A schematic cross-sectional view showing a state in which the disc is free after further lowering the tray section and performing.
- FIG. 10 is a plan view showing a state of the disc changer device according to the embodiment of the present invention during performance.
- FIG. 11 is a schematic cross-sectional view showing a state where a disk is mounted by a conventional disk holding device.
- a disc changer device 1 is stacked inside a housing 10 so as to be movable in a stacking direction.
- Tray 2 having a plurality of trays 21 (only the uppermost one is visible in FIG. 1), tray opening / closing means (not shown) for opening and closing between predetermined trays 21, and housing 10.
- a base 3 as a base part movable in the direction indicated by arrow A, and a chassis mounted on the base 3 so as to be rotatable in the direction indicated by arrow A about a rotation shaft 41 as a center. 4 and a playing section 5 mounted on the chassis 4 and constituting a means for reproducing information recorded on the disk D.
- the playing section 5 has a turntable 51 on which a desired disc D1 (see FIG. 6) is mounted and which is rotated by rotation driving means 52 as shown in FIGS. 2 (A) and 2 (B).
- the turntable 51 is configured to rotate integrally with the rotation center shaft 52A of the rotation driving means 52.
- a hole 51A which will be described later, is inserted into the hole 51A so as to be vertically movable. It is.
- the hole 51A of the turntable 51 is engaged with the disk hole insertion portion 56, and the disk hole insertion portion 56 is formed on the outer peripheral surface of the disk hole insertion portion 56 in the circumferential direction of the hole 51A.
- the relative rotation of the disk hole insertion portion 56 with respect to the turntable 51 is restricted, and only the disk hole insertion portion 56 is prevented from rotating independently and freely with respect to the turntable 51. I am doing it.
- the disc hole insertion portion 56 can move freely in the up and down (up and down) directions with respect to the hole portion 51A.
- the turntable 51 of the present embodiment has a plurality of longitudinal grooves 51E parallel to the axial direction on the inner peripheral surface of the hole 51A. (3 places) are formed, and a plurality (three) of ridges 56E are formed on the outer peripheral surface of the disk hole insertion portion 56 in the same direction to engage with the vertical groove 51E.
- a plurality (three) of projections 58 rotatable in the direction of arrow C are arranged so as to be able to stand with the shaft 58A as a fulcrum.
- the outer peripheral surface of the turntable 51 has a groove (rotation stop) that engages with a rotary stopper (which constitutes one of the rotation stopping means) 53A provided at the tip of the pickup 53 shown in FIGS. 51C is formed.
- the pickup 53 is mounted on a slide plate 53D, and is provided with a female screw that is screwed to the rotary stopper 53A and a male screw of the lead screw 54 that is male.
- a sliding portion 53B and an engaging portion 53C slidably engaged with the guide shaft 55.
- the rotation stopper portion 53A temporarily prevents (rotationally locks) the rotation operation of the turntable 51 when the disk hole insertion portion 56 performs the elevating operation, and in particular, in the present invention, It has a function as a clutch means for converting the rotation driving force from the rotation driving means 52 into the lifting / lowering force of the disk hole insertion part 56.
- the rotation driving force from the rotation driving means 52 is transmitted not to the turntable 51 but to the disk hole insertion portion 56, and the rotational force is used as a drive source and the disk hole insertion portion 56 and
- the disk hole insertion portion 56 is configured to move in the vertical direction with respect to the turntable 51 by using the pushing action by the screw between the two screw members 57 screwed into the turntable 51.
- an inner hole 56D is formed in the disk hole insertion portion 56, and a female screw portion having an internal thread formed on the inner peripheral surface thereof is formed in the inner hole 56D.
- 56A is provided.
- the internal thread 56A of the inner hole 56D is fixed to the rotation center axis 52A of the rotary driving means 52 so as to rotate integrally with the internal thread 56A, and the external thread is cut on the outer peripheral surface.
- the screw member 57 provided with 57A is attached in a screwed state. When the rotation locked state by the rotation stopper 53A is released, the rotation driving force from the rotation driving means 52 is transmitted, and the screw member 57 rotates integrally with the turntable 51.
- the movement range of the disk hole insertion portion 56 in the vertical direction with respect to the disk mounting surface 51B of the turntable 51 is restricted, and the disk hole insertion portion 56 corresponds to the vertical direction in the rotation axis direction (Fig. 2 (B)).
- the lowering operation can be performed to the point where the lower surface of the disk hole insertion part 56 contacts the top surface part 52B of the rotary driving means 52 (the state shown in Fig. 2 (B)).
- the operation is such that the protrusion 56E provided along the outer edge of the lower portion of the disk hole insertion portion 56 is engaged with the stopper 51D of the force hole portion 51A, and the disk hole insertion portion 56 raises the protrusion 58 (FIG. 4 ( It is possible to ascend to state B)).
- FIGS. 2 (A) and 2 (B) show the state where the disc hole insertion portion 56 is lowered and the projection 58 is stored
- FIGS. 4 (A) and 4 (B) show the state where the disc hole insertion portion 56 is raised and the projection is raised.
- the part 58 shows the standing state.
- the disk hole insertion portion 56 also has an elastic member in such a state as to close the inner hole 56D of the disk hole insertion portion 56 with an upward force.
- a power group 56B is installed.
- the urging portion 56B is formed with a number of pressing ends 56C extending from the periphery and bent in a crank shape and located at the lower portion of the projection 58, corresponding to the number of the projections 58.
- the projection 58 is engaged with the disk D by using the claw 58C when recording and / or reproducing information on or from the disk D mounted on the turntable 51, and is inserted through the disk hole insertion portion 56. Then, the disk D is temporarily fixed so as to be integrated with the turntable 51. Therefore, when the disk hole insertion portion 56 rises to a predetermined position, the protrusion 58 rises following the disk hole insertion portion 56 so that the center hole D side of the disk D is free end side (see FIG. 2 (B)).
- FIG. 3 and FIG. 5 are cross-sectional views showing the vicinity of the protrusion 58 in an enlarged manner.
- FIG. 3 (A) shows an a-a cross section in FIG. 2 (A) (the same applies to FIG. 2 (B)), and FIG. 3 (B) shows a j8-j8 cross section in FIG. 2 (A).
- FIG. 5 (A) shows the ⁇ - ⁇ section in FIG. 4 (A) (the same applies to FIG. 4 (B)), and FIG. 5 ( ⁇ ) shows the ⁇ - ⁇ section in FIG. 4 (A).
- the projecting portion 58 of the present embodiment has a shaft portion 58 ⁇ which is fixed to the base end side (the left end side in FIG.
- the protrusion 58 is provided so as to be able to stand upright with the shaft 58 as a support shaft. Further, the pressing end 56F is arranged so as to cover the storage protrusion 58 # from above at a position corresponding to the plurality of protrusions 58 on the circumference of the disk hole insertion portion 56.
- the disc changer device 1 firstly connects a tray 21A (see FIG. 6) selected in advance with a tray 21B (see FIG. 6) immediately below the desired tray 21A by tray opening means (not shown). Then, the chassis 4 is moved to a predetermined position in the direction indicated by the arrow ⁇ ⁇ ⁇ ⁇ with respect to the base 3 of the housing 10. That is, the chassis 4 is rotated with respect to the base 3 from the position shown in FIG. 1 to the position shown in FIG.
- the loading device 50 on the chassis 4 is caused to enter the space between the desired tray 21A and the tray 21B immediately below the tray 21A.
- the pick-up 53 also enters the space between the desired tray 21A and the tray 21B immediately below it.
- the rotation operation of the turntable 51 is prevented (rotation locked) because the rotation stopper 53A at the tip is located at the position where it engages with the groove 51C on the outer peripheral surface of the turntable 51. .
- the disc hole insertion portion 56 is retracted at a height (level) position where it does not protrude from the disc mounting surface 51B of the turntable 51.
- the plurality of projections 58 are also in a state of being stored in the disk hole insertion portion 56 and are on standby.
- A3 Next, as shown in FIG. 8, the desired tray 21A descends toward the turntable 51, and the disk D1 is placed on the turntable 51. At this time, the projection 58 is housed in the turntable 51 in a state where the turntable 51 does not protrude with respect to the surface on which the disc is mounted as shown in FIGS. 3 (A) and 3 (B). You.
- the hole insertion part 56 is inserted.
- the pressing end portion 56C of the urging portion 56 installed above the disk hole insertion portion 56 is also shown in FIGS. 3 (A) to 5 (A). So rise. Due to the upward movement of the pressing end 56C, the back of the projection 58 is pushed up, and the projection 58 acts so as to stand up. That is, the protruding portion 58 starts rotating counterclockwise in the figure from the reclined state shown in FIGS. 3A and 3B, and performs a standing operation as shown in FIGS. 5A and 5B. In this manner, the peripheral wall and the upper surface of the center hole D of the desired disk D are placed on the disk mounting surface 51B.
- the disk D is integrally fixed to the turntable 51 by pressing the vertical upward force against the protrusion 58.
- the tray 21A further descends and escapes from contact with the disk D.
- the tray 21 is formed in the shape of an upper surface opening so as not to contact the upper surface of the disk, even if the tray 21 is lowered after the disk D is fixed to the turntable 51, the disk D can be transferred to the disk D. There is no problem such as damage.
- the drive operation of the lead screw 54 causes the pickup 53 to be mounted on the turntable 51 so that a desired disk D is directed outward in the radial direction. Move backward by a distance.
- the pickup 53 moves the chassis 4 in the direction indicated by the arrow E (in the radial direction of the disk D (the direction )),
- the playing section 5 is positioned on a desired track on the disk D, and reproduces (plays) or records recorded information.
- the disc changer device 1 of the present embodiment is configured such that the disc D is mounted on the turntable 51, and the disc D is replaced with another disc to newly reproduce (play) or record recorded information on the disc D.
- the disc D is to be ejected from the turntable 51, the following operation is performed.
- FIG. 7 the chassis 4 is rotated about the rotation shaft 41 in the direction opposite to the direction of arrow A. That is, by rotating the chassis 4 clockwise from the position shown in FIG. 7 to the position shown in FIG. 1 and returning the chassis 4 to its original state, the force between the trays 21A and 21B (see FIG. 6) is also applied to the chassis 4.
- a loading device 50 and a pickup 53 can be output.
- the disc D can be ejected from the turntable 51.
- the disc hole insertion portion 56 is housed in the turntable 51 so as to be able to move up and down with respect to the disc mounting surface 51B, so that a desired The height dimension of the space S (see FIG. 6) to be secured between the trays 21 can be reduced, and the overall thickness of the disc changer device 1 can be reduced.
- the chassis 4 is configured to rotate with respect to the base 3.
- the present invention is not limited to this rotational movement, but may be implemented in various movement modes such as translation. It may be configured to perform movement such as movement.
- the disk holding device of the present invention can also be applied to various disk devices other than the disk changer device 1 of the present embodiment, for example, an information recording device for a disk.
- the disk holding device of the present invention reduces the insertion space to be secured between the desired trays by accommodating the disk hole insertion portion so as to be able to move up and down with respect to the surface of the turntable on which the disk is mounted.
- it has the effect of reducing the thickness of the entire device, especially as a disk device that records and / or reproduces information on and from disks such as CDs and DVDs, and a disk changer device equipped with this disk device. Useful.
Landscapes
- Automatic Disk Changers (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05703417A EP1710795A4 (en) | 2004-01-26 | 2005-01-11 | DATA CARRIER MOUNTING DEVICE AND DATA CARRIER CHANGER |
US10/587,233 US20070162920A1 (en) | 2004-01-26 | 2005-01-11 | Disk holding apparatus and disk changer apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004017010A JP2005209312A (ja) | 2004-01-26 | 2004-01-26 | ディスク保持装置及びディスクチェンジャー装置 |
JP2004-017010 | 2004-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005071674A1 true WO2005071674A1 (ja) | 2005-08-04 |
Family
ID=34805516
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/000178 WO2005071674A1 (ja) | 2004-01-26 | 2005-01-11 | ディスク保持装置及びディスクチェンジャー装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070162920A1 (ja) |
EP (1) | EP1710795A4 (ja) |
JP (1) | JP2005209312A (ja) |
CN (1) | CN1914677A (ja) |
WO (1) | WO2005071674A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4772886B2 (ja) | 2009-03-19 | 2011-09-14 | 富士通株式会社 | 搬送装置及びライブラリ装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09326148A (ja) * | 1996-06-06 | 1997-12-16 | Alpine Electron Inc | ディスククランプ装置 |
JP2002074793A (ja) * | 2000-08-25 | 2002-03-15 | Alpine Electronics Inc | ディスク回転駆動装置 |
JP2003248991A (ja) * | 2002-02-27 | 2003-09-05 | Matsushita Electric Ind Co Ltd | 媒体装着装置及びディスク装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57135478A (en) * | 1981-02-13 | 1982-08-21 | Toshiba Corp | Recording disk reproducing device |
JPS6050741A (ja) * | 1983-08-31 | 1985-03-20 | Toshiba Corp | 回転記録円板のチヤツキング装置 |
JPH0380549U (ja) * | 1989-12-04 | 1991-08-19 | ||
US6038206A (en) * | 1991-02-07 | 2000-03-14 | Sony Corporation | Disc table for disc recording/reproducing apparatus and method for producing same |
US5486962A (en) * | 1994-10-12 | 1996-01-23 | International Business Machines Corporation | Integral hub and disk clamp for a disk drive storage device |
FR2728378B1 (fr) * | 1994-12-19 | 1997-02-14 | Fillony Ltd | Dispositif de mise en rotation pour la lecture d'un disque optique |
JPH08195010A (ja) * | 1995-01-13 | 1996-07-30 | Matsushita Electric Ind Co Ltd | ディスクセンタリング装置 |
CN1229242A (zh) * | 1998-03-18 | 1999-09-22 | 株式会社三协精机制作所 | 记录盘夹紧机构 |
US6943986B2 (en) * | 2002-05-17 | 2005-09-13 | Hitachi Global Storage Technologies Netherlands B.V. | Clamp retention apparatus for rotational disk drive components |
-
2004
- 2004-01-26 JP JP2004017010A patent/JP2005209312A/ja not_active Withdrawn
-
2005
- 2005-01-11 EP EP05703417A patent/EP1710795A4/en not_active Withdrawn
- 2005-01-11 US US10/587,233 patent/US20070162920A1/en not_active Abandoned
- 2005-01-11 WO PCT/JP2005/000178 patent/WO2005071674A1/ja not_active Application Discontinuation
- 2005-01-11 CN CNA2005800031973A patent/CN1914677A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09326148A (ja) * | 1996-06-06 | 1997-12-16 | Alpine Electron Inc | ディスククランプ装置 |
JP2002074793A (ja) * | 2000-08-25 | 2002-03-15 | Alpine Electronics Inc | ディスク回転駆動装置 |
JP2003248991A (ja) * | 2002-02-27 | 2003-09-05 | Matsushita Electric Ind Co Ltd | 媒体装着装置及びディスク装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1710795A4 * |
Also Published As
Publication number | Publication date |
---|---|
CN1914677A (zh) | 2007-02-14 |
EP1710795A4 (en) | 2008-08-13 |
JP2005209312A (ja) | 2005-08-04 |
US20070162920A1 (en) | 2007-07-12 |
EP1710795A1 (en) | 2006-10-11 |
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