WO2005086152A1 - チャッキング装置 - Google Patents
チャッキング装置 Download PDFInfo
- Publication number
- WO2005086152A1 WO2005086152A1 PCT/JP2004/016907 JP2004016907W WO2005086152A1 WO 2005086152 A1 WO2005086152 A1 WO 2005086152A1 JP 2004016907 W JP2004016907 W JP 2004016907W WO 2005086152 A1 WO2005086152 A1 WO 2005086152A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- claw
- disk
- disc
- chucking device
- inclined surface
- 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
-
- 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 device for recording or reproducing data on or from a disc-shaped recording medium such as a CD or DVD, and is particularly suitable for a so-called slot-in type disc device which can directly insert or eject a disc from the outside.
- a chucking device To a chucking device.
- the disk holding surface of the claw portion is brought into contact with the upward receiving surface of the hub body, and the disk holding surface of the claw portion is slid along the upward receiving surface of the hap body.
- the nail body is moved horizontally and pushed inward. Therefore, a large load is required for the sliding movement of the claw body into the hub body when the disc is inserted.
- an object of the present invention is to provide a chucking device that can reduce the load at the time of inserting a disc, can cope with a load change, and can perform a stable operation. Disclosure of the invention
- a plurality of claw bodies are movably provided in the radial direction of the turntable body of the turntable, and the disc is held by pressing the disc center hole with the claw body.
- the claw body has a claw portion that contacts the disc, and a claw-side stopper that restricts outward movement by the elastic member.
- the hap body has a claw opening through which the claw portion can protrude outward. Part, and an eight-sided stopper that comes into contact with the claw-side stopper, a downward-facing guide surface is provided below the tip of the claw part, and the eight-sided body is located at a position facing the downwardly-facing guide surface.
- the sliding operation of the claw body into the hub body can be performed smoothly, and the load when the disc is inserted can be reduced. Go out.
- a surface facing downward from the tip of the claw portion is defined as a disk holding surface, and a downward guiding surface is defined as a side portion of the disk holding surface. It is set up in.
- the height of the claw can be reduced as compared with the case where the downward guide surface is provided below the claw.
- a downward guide surface is provided on the claw body at a position higher than or the same as the disk holding surface.
- the height of the nail body can be reduced.
- the outer end of the upward guide surface is made higher than the upward guide surface, and a part of the downward guide surface is formed. This is where we set up.
- the height of the claw body can be further reduced.
- the chucking device according to the first embodiment, wherein the downward guide surface is constituted by at least a first inclined surface and a second inclined surface, and
- the first inclined surface is brought into contact with the upward receiving surface when the tip of the claw is inserted into the center hole of the disc or shortly before it is inserted into the center hole of the disc.
- the second inclined surface is a surface that comes into contact with the upward receiving surface after the tip of the claw is inserted into the center hole of the disc, and the second inclined surface is more than the first inclined surface. The angle with respect to the pressing direction is reduced.
- the present embodiment it is possible to reduce the load at the time of inserting a disc, to cope with a load change, and to perform a stable operation.
- the chucking device according to the first embodiment, wherein the inner side of the claw main body includes an inner side gasket having an inclined surface gradually rising toward the center of the hub main body.
- the guide surface is provided, and the inner side guide surface is constituted by at least a first inclined surface and a second inclined surface.
- the first inclined surface is moved to the tip of the claw portion.
- the second inclined surface is the surface that the pawl contacts with after the tip of the claw is inserted into the center hole of the disc, and the second inclined surface is the first inclined surface.
- the angle with respect to the pressing direction is smaller than that of the inclined surface.
- the first inclined surface of the downward guide surface is constituted by an arc surface
- the second inclined surface of the downward guide surface is defined by the arc surface. It has a flat surface.
- the pushing operation of the disc can be performed stably, and after the tip of the claw is inserted into the center hole of the disc, the tip of the claw can be smoothly moved. It can encourage a rise.
- An eighth embodiment of the present invention is the chucking device according to the first embodiment, wherein the upward receiving surface comprises at least a first inclined surface and a second inclined surface, and When the disc is pressed by the disc, the first inclined surface is brought into contact with the downward guide surface when the tip of the claw is inserted into the center hole of the disc or shortly before it is inserted into the center hole of the disc.
- the second inclined surface is a surface that contacts the downward guide surface after the tip of the claw is inserted into the center hole of the disc, and the second inclined surface is the first inclined surface. More specifically, the angle with respect to the pressing direction is reduced.
- the present embodiment it is possible to reduce the load at the time of inserting the disc, to cope with the load fluctuation, and to perform a stable operation.
- a surface facing downward from the tip of the claw portion is a disk holding surface
- a downward guide surface is a side portion of the disk holding surface.
- the width of the side opening on the side surface is larger than the width of the upper surface on the outer periphery of the upper surface of the claw opening, and the downward receiving surface is formed on both sides of the upper surface opening. It is placed on the lower surface, and the upward receiving surface is placed on the upper surface on both sides of the side opening.
- the height of the claw body can be reduced as compared with the case where the downward guide surface is provided below the claw portion, and the outer dimensions of the hub body can be reduced.
- the upward receiving surfaces provided on both sides of the side opening are connected with each other by a valve body.
- the disk holding surface is arranged between the upward receiving surfaces.
- a coil spring is used as an elastic member, and a contact position between the claw-side stopper and the hub-side stopper is determined. It is provided below the center line of the coil spring.
- the coil spring in a standby state in which the disk is not held by the claw, can be biased so that the tip of the claw faces downward.
- the contact position between the claw-side stopper and the hub-side stopper is provided inside the claw portion.
- the present embodiment by providing the abutment between the claw-side stopper and the hub-side stopper inward of the claw portion, obstacles at positions outside the claw portion are eliminated, and the claw portion is moved downward. Can be lowered sufficiently.
- a claw-side stopper is provided on a side portion of a claw portion, and the claw-side stopper is formed as a seven-piece.
- the height of the claw portion can be reduced as compared with the case where the claw-side stopper is provided below the claw portion.
- the fourteenth embodiment of the present invention is directed to the chucking device according to the ninth embodiment, in which the disc is thin in the recording / reproducing state in which the disc is held by the claw portion.
- the claw moves outward and the claw position is lower than when the disk is thick.
- an upward guide surface provided on the forward side of the claw body is provided at a position facing the upward guide surface. Further, the downwardly-facing receiving surface of the hub body is provided with an inclination such that the front side is lowered.
- the length of the disc pressing surface of the nail main body can be shortened, and the nail height can be kept low.
- the chucking device according to the ninth embodiment, wherein the claw portion holds the claw-side stopper for restricting outward movement of the claw body by the elastic member.
- the lower end of the claw body is provided on the front side of the contact part with the lower part, and the hap side stopper that contacts the claw side stopper, the lower side is closer to the front side. It is a sloping surface.
- the tip of the claw body can be lowered in the standby state, and the height space for inserting the disc above the turntable can be reduced.
- a downward guide surface is provided at a position lower than the tip of the claw portion, and the downward guide surface is opposed to the downward guide surface.
- the main body is provided with an upward receiving surface
- the downward guide surface is constituted by at least a first inclined surface and a second inclined surface, and when the claw portion is pressed from above by a disc, the first inclined surface is formed.
- the tip of the claw is inserted into the center hole of the disc or shortly before being inserted into the center hole of the disc, the surface that comes into contact with the upward receiving surface is used. Is inserted into the center hole of the disc
- the second inclined surface is smaller in angle to the pressing direction than the first inclined surface, and the downward guide surface is raised by pressing the claw from above. It slides along the facing surface, and the claws move inward.
- An eighteenth embodiment of the present invention is directed to the chucking device according to the fourteenth embodiment, wherein a coil spring is used as an elastic member, and a contact position between the claw-side stopper and the hub-side stopper is determined by a coil spring. When it is provided below the center line, it is provided inside the claw part. According to the present embodiment, the coil spring can be urged so that the tip of the claw portion faces downward.
- the disk device according to the nineteenth embodiment of the present invention is a disk device using the chucking device according to the first to the eighteenth embodiments, and comprises a chassis main body and a lid,
- the front surface of the chassis exterior has a disk inlet for directly inserting a disk, is provided in the base body, holds the spindle motor and pickup by traverse, and has a turntable on the top surface of the spindle motor. The traverse is moved close to and away from the base body.
- FIG. 1 is a top perspective view of a hub body of a chucking device according to an embodiment of the present invention.
- FIG. 2 is a bottom perspective view of the hub body.
- Fig. 3 is a front view of the hub body.
- Figure 4 is a rear view of the hub body
- ⁇ 5 is a side view of the hub body
- Fig. 6 is a sectional view taken along the line A-A in Fig. 3.
- Fig. 7 is a sectional view taken along line BB in Fig. 3.
- FIG. 8 is a bottom perspective view of the claw body of the chucking device according to the present embodiment.
- Fig. 9 is an external perspective view of the upper surface of the nail body.
- Fig. 10 is a perspective view of the inside of the upper surface of the nail body.
- Fig. 11 is a side view of the claw body
- Fig. 12 is a side sectional view of the claw body.
- Figure 13 is a front view of the claw body
- Figure 14 is a rear view of the nail body
- Fig. 15 is a sectional view of the main part of the chucking device, showing a standby state or a state immediately after the disk is inserted into the disk device.
- FIG. 16 is a cross-sectional view of a main part of the chucking device, showing a state in which the chucking device has been moved upward by a predetermined distance toward the disk from the state of FIG.
- ⁇ 17 is a cross-sectional view of the main part of the chucking device showing the state where the tip of the claw is inserted into the center hole of the disc.
- FIG. 18 is a cross-sectional view of a main part of the chucking device, showing a state in which the chucking device has been raised to the disk side by a predetermined distance from the state of FIG. 17.
- FIG. 19 is a cross-sectional view of a main part of the same chucking device, showing a state after a predetermined time has elapsed from the state of FIG. 18.
- FIG. 20 is a cross-sectional view of a main part of the chucking device, showing a state after a predetermined time has elapsed from the state of FIG.
- Fig. 21 is a cross-sectional view of the main part of the chucking device showing the completion of chucking of a thin disk.
- Fig. 22 is a cross-sectional view of the main part of the chucking device showing the state in which the chucking of a medium-thick disk is completed.
- Fig. 23 is a cross-sectional view of the main part of the chucking device showing the completed state of thick disk chucking.
- FIG. 24 is a plan view of a main part of the base body of the disk device according to the present embodiment.
- Fig. 25 is a sectional side view of the main part of the disk drive.
- ⁇ 26 is a side view of the sub-slider of the disk unit
- FIG. 2 is a plan view of a main part of the base body, showing a state in which a first predetermined time has elapsed from the start of the disk chucking operation of the disk device according to the present embodiment.
- Fig. 28 is a side sectional view of the main part in the same state.
- Fig. 29 is a side view of the sub-slider in the same state.
- FIG. 30 is a plan view of a main part of the base main body showing a state where a second predetermined time has further elapsed from the state of FIG.
- Fig. 31 is a sectional side view of the main part in the same state.
- Fig. 32 is a side view of the sub-slider in the same state.
- FIG. 33 is a plan view of the main part of the base body showing the highest state of the traverse after a third predetermined time has elapsed from the state of the drawing.
- Fig. 34 is a side sectional view of the main part in the same state.
- Fig. 35 is a side view of the sub-slider in the same state.
- FIG. 36 is a plan view of a main part of the base body showing a recording / reproducing state of the disc after a fourth predetermined time has elapsed from the state of FIG.
- Fig. 37 is a sectional view of the main part in the same state.
- Fig. 38 is a side view of the sub-slider in the lying down state.
- FIG. 1 is a top perspective view of the hub body of the chucking device according to the present embodiment
- FIG. 2 is a bottom perspective view of the knob body
- FIG. 3 is a front view of the hub body
- FIG. 5 is a side view of the hap body
- FIG. 6 is a sectional view taken along line AA in FIG. 3
- FIG. 7 is a sectional view taken along line BB in FIG.
- the turn tape hub body 150 is formed in a dish shape with a disk-shaped upper surface 15 1 and side surfaces 152 erected on the outer periphery of the upper surface 15 1. At the center of the upper surface 151, a motor shaft hole 153 for fitting the rotation shaft of the spindle motor is formed.
- the eight main body 150 is provided with three claw openings 154 radially. These claw openings 154 are provided in a range from the outer periphery of the upper surface 151 to the side surface 152 so that the side opening width at the side surface 152 is larger than the upper surface opening width at the outer periphery of the upper surface 151. Make it up.
- hap body 150 On the back side of the hap body 150, there are provided three coil stoppers 155 projecting from the outer periphery of a ring-shaped rib 153A forming a motor shaft hole 153. These coil stoppers 155 are provided radially toward the claw opening 154.
- a plurality of connecting ribs 15 OA for connecting the ring-shaped ribs 153A and the side surfaces 152 are provided on the back side of the hub body 150. Then, a pair of connecting ribs 15 OA are used to separate one coil stop 1 55 and the nail opening 1 54 located in the axial direction of the coil stop 1 55 so as to separate the space from the other space.
- a nail accommodating space 150B in which 170 is disposed is formed.
- an eight-sided stopper 1-156A and an inner side of the hub-side stopper 156A are provided on the opposing inner peripheral surfaces of the pair of connecting ribs forming the claw housing space 15 OB.
- an eight-sided stopper 1-156A and an inner side of the hub-side stopper 156A are provided on the opposing inner peripheral surfaces of the pair of connecting ribs forming the claw housing space 15 OB.
- an inner guide surface 156 consisting of an inclined surface that gradually increases toward the center.
- the inner guide surface 156 is composed of at least a first inclined surface and a second inclined surface.
- upward receiving surfaces 15 are formed on the upper surfaces of both sides of the claw opening 154 on the side surface 152, and downward surfaces are formed on the lower surfaces of both sides of the claw opening 154 on the upper surface 15 1.
- a receiving surface 158 is formed.
- the upward receiving surface 15 is composed of at least a first inclined surface and a second inclined surface.
- FIG. 8 is a bottom perspective view of the claw body of the chucking device according to the present embodiment
- FIG. 9 is a top outside perspective view of the claw body
- ⁇ 1 ⁇ is a top inside perspective view of the claw body
- 1 is a side view of the nail body
- Fig. 1 2 is a cross-sectional side view of the nail body! !
- Fig. 13 is a front view of the nail body
- Fig. 14 is a rear view of the nail body.
- the nail main body 170 includes a nail part 1 and guide parts 172 arranged on both sides of the nail part 1.
- the claw 171 when mounted on the hap body 150, is connected to the tip 1 71A located at the outermost periphery of the hub body 150 and this tip 1A 1A, and has a flat surface. And a disk holding surface 171C, which is connected to the front end 171A in the downward direction and contacts the disk center hole. Note that a taper surface 17 1D is provided inside the upper surface 1B. Inside the claw portion "171", a rear end surface 1-3 for contacting the coil spring is formed, and the rear end surface 1-3 is provided with a coil stopper 175 formed by a projection. A recess 1 73 A is formed around the upper side of the coil stop 1 to 5 at the rear end face 1 to 3.
- a recess 1 73 A is formed at the rear end face 17 3 where the upper part of the coil spring contacts.
- the lower end face 1 of the guide part 1 2 is formed in an arc shape.
- a claw-side stolon ⁇ ° —1 end 6 is provided inside the guide portion 1 end 2 so as to protrude to the side.
- the downward guide surface 1 end and the disc holding surface 1 below the tip 1 7 1 A of the claw 1 end 1 An upward guide surface 1 7 8 is provided at a position higher than 1 C.
- the end of the downward guide surface 1 is located at a position facing the end of the upward receiving surface 15 and the claw portion 170 is positioned at the top.
- the downward guide surface 1 7 slides along the upward receiving surface 15.
- the upward guide surface 1 8 is arranged at a position facing the downward receiving surface 158.
- the outer end of the upward guide surface 1-8 is higher than the upward guide surface 178.
- the downward guide surface 177 includes at least a first inclined surface and a second inclined surface.
- FIG. 15 is a cross-sectional view of a main part of the chucking device, showing a standby state or a state immediately after a disk is inserted into the disk device.
- the hub body 150 is provided at the center of the upper surface of the spindle motor 31A.
- the claw body 1 is disposed between the hub body 150 and the receiving surface 31B on one side of the rotor of the spindle motor 31A.
- a coil spring 180 is provided as an elastic member between the coil stopper 155 of the hub body 150 and the coil stopper 175 of the claw body 1.70. That is, the pawl body 170 is urged outward from the hub body 150 by the coil 180.
- the coil spring 180 is located with the outer end on the coil stop 1 end 5 side lower than the inner end on the coil stop 1 55 side I'll set it up in the yora).
- the claw-side stoppers 1 and 6 are in contact with the hub-side stopper 156A so that the claw body 170 does not protrude outward.
- the contact position between the claw-side stopper 1 and 6 and the octave-side stopper 1 56 A is set to the inside of the hub body 15 ⁇ from the claw portion 1 and 1 and the center line of the coil spring 1 80.
- the pawl 171 of the main body 170 is located below the height of the upper surface 151 of the hub 150. Have been.
- the upper end of the outer end of the coil spring 180 is in contact with the recess 173A of the rear end face 173. The same applies to the standby state where no disc is inserted.
- FIG. 16 is a cross-sectional view of a principal part of the chucking device, showing a state where the chucking device has been raised toward the disk by a predetermined distance from the state of FIG.
- the claws 1 1 are pressed by the disc from the upper surface 17 1 B.
- the claw stopper 1776 slides along the inner guide surface 156. That is, the claw-side stopper 176 slides so as to gradually increase toward the inside of the main body 150.
- the downward guide surface 1 end slides along the upward receiving surface 15 end. Therefore, the claw body 1 moves to the inside of the hub body 150 by sliding of the claw-side stopper 176 and the downward guide surface 177.
- FIG. 17 is a cross-sectional view of a main part of the chucking device showing a state in which the tip of the claw portion is inserted into the center hole of the disk.
- FIG. 19 is a cross-sectional view of a main part of the same chucking device showing a state where it is raised by a predetermined distance.
- FIG. 17 shows a state in which the distal end 1 A of the claw 1 is inserted into the center hole of the disc. Then, when the chucking device is further raised toward the disk from the state shown in FIG. 1, as shown in FIG. 18, the distal end 1 A 1 A of the claw portion 1 1 becomes inside the center hole of the disk. It slides along the peripheral surface.
- the upward movement toward the disk due to the interaction between the pawl portion 17 1 of the chucking device and the hub body 150 is up to the position shown in FIG. In the position shown in Fig.
- the downward guide surface 1 7 of the claw portion 1 1 is separated from the upward guide surface 157 of the hub body 150. Then, while the tip portion 1A of the claw portion 1L1 remains in contact with the inner surface of the disk center hole, the tip portion 1A1A gradually moves upward on the inner peripheral surface of the disk center hole. On the other hand, the lower end surface 1 74 of the claw portion 17 1 remains in contact with the receiving surface 3 1 B on the mouth side, and the contact point between the lower end surface 1 4 and the receiving surface 3 1 B gradually decreases. Move to one side.
- the inner guide surface 156 includes at least the first inclined surface and the second inclined surface as described above.
- the first inclined surface is formed when the claw 1 is pushed from above by the disc, when the tip 1 of the claw 1 is inserted into the center hole of the disc, or when the center of the disc is inserted.
- the surface on which the claw-side stoppers 1 and 6 come into contact before the hole is inserted into the hole, and the second inclined surface is such that the tip 1 7 1 A of the claw 1 7 1 is inserted into the center hole of the disc. Later, it is the surface where the claw side strutno abuts.
- the angle of the second inclined surface with respect to the pressing direction is smaller than that of the first inclined surface.
- the downward guide surface 1 to 7 is composed of at least the first inclined surface and the second inclined surface as described above.
- the first inclined surface is defined as the upward receiving surface 157 when the tip 1 of the claw 1 is inserted into the center hole of the disc or shortly before it is inserted into the center hole of the disc.
- the second inclined surface is a surface that comes into contact with the upward receiving surface 15 after the tip portion 1 of the claw portion 1 1 is inserted into the center hole of the disc. is there.
- the angle of the second inclined surface with respect to the pressing direction is smaller than that of the first inclined surface.
- the first inclined surface of the downward guide surface 17 is formed by an arc surface
- the second inclined surface of the downward guide surface 1 is formed by a flat surface.
- the claw portion 1 particularly from the state shown in FIG. It is possible to stably slide the front end 1 71 A of the disk 1 and the inner wall surface of the center hole of the disk.
- the upward receiving surface 15 is composed of at least the first inclined surface and the second inclined surface as described above.
- the first inclined surface is the downward guide surface 1 when the tip 1 of the claw 1 1 is inserted into the center hole of the disc or before A is inserted into the center hole of the disc.
- the second inclined surface is a surface that comes into contact with the downward guide surface 177 after the distal end 17 1 A of the claw portion 1 1 is inserted into the center hole of the disc. is there.
- the angle of the second inclined surface with respect to the pressing direction is smaller than that of the first inclined surface.
- the first inclined surface of the upward receiving surface 157 is constituted by an arc surface
- the second inclined surface of the upward receiving surface 15 is constituted by a flat surface.
- FIG. 20 is a cross-sectional view of a main part of the same chucking device, showing a state after a lapse of a predetermined time from the state of FIG. '
- the tip 171A of the pawl 171 projects beyond the upper surface of the disc. Indicates the completion of the check, and enters the recording / playback state.
- the outer end of the coil spring "I80" has its upper part in contact with the recess 1 of the rear end surface 173 3 A.
- the claw 1 1 has the hap body 150
- the disk holding surface 1 of the claw 1 1 is in contact with the upper end of the disk center hole, and the tip 1 of the claw 1 is 1 1 A protrudes from the center hole of the disc to the outer peripheral side and jumps out from the upper surface of the disc.
- the upward guide surface 1 to 8 of the claw 1 1 contacts the downward receiving surface 1 58 of the hap, and the claw 1 to 1
- the lower end surface 1 4 is in contact with the receiving surface 3 1 B on one side of the rotor.
- FIG. 21 is a cross-sectional view of a main part of the thinning device showing a completed state of the chucking of a thin disk
- FIG. 22 is a cross-sectional view of a main part of the same chucking device showing a completed state of a medium-thick disk
- FIG. FIG. 3 is a cross-sectional view of a main part of the chucking device, showing a state in which the thick disk has been chucked.
- the pawl body 1 moves to the outside of the hub body 150, and the pawl shown in FIG. Part 1 7 1 Tip 1 Part 1 1 A position lower.
- the claw body 1 is moved to the outside of the hub body 150 as compared with the case where the disk shown in FIG. 23 is thick.
- the position of the tip 17 A of the claw 17 1 is lowered.
- the jaw height is kept low even if the stroke of moving the hub body 150 in the radial direction of the hub body 150 is increased with respect to the variation in the disk thickness. be able to.
- FIG. 24 is a plan view of a main part of a base body of the disk device according to the present embodiment
- FIG. 25 is a sectional side view of a main part of the disk device
- FIG. 26 is a side view of a sub-slider of the disk device.
- a chassis exterior is constituted by a base body and a lid, and a bezel is mounted on a front surface of the chassis exterior.
- the disk device according to the present embodiment is a slot-in type disk device in which a disk is directly inserted from a disk inlet provided in a bezel.
- -A disc insertion slot 11 for directly inserting a disc is formed on the front side of the base body 10.
- Traverse 30 is arranged on base body 1 ⁇ .
- the traverse 30 holds a spindle motor 31A, a pickup 32, and a driving means 33 for moving the pickup 32.
- the rotating shaft of the spindle motor 31A is provided with a Huff "body 150 for holding a disc.
- the spindle motor 31A is provided at one end of the traverse 30, and the pickup 32 is in a standby state or a chucking state. Is disposed at the other end of the traverse 30.
- the pickup 32 is provided so as to be movable from one end to the other end of the traverse 3 ⁇ ⁇ .
- a gear mechanism for transmitting the drive of the drive motor to the pickup 32.
- the pair of rails are arranged so that one end and the other end of the traverse 30 are connected to each other. It is located on both sides of 32.
- the spindle motor 31A is located at the center of the base body 10
- the reciprocating range of the pickup 32 is located closer to the disk insertion slot 11 than the spindle motor 31A, and the pickup 32
- the direction of reciprocation of the disc is different from the direction of insertion of the disc.
- the reciprocating movement direction of the pickup 32 and the disc insertion direction are at an angle of 40 to 45 degrees.
- Traverse 30 is supported on base body 1 ⁇ by a pair of fixed cams 34A and 34B. It is preferable that the pair of fixed cams 34A and 34B be disposed closer to the pickup 32 than the spindle motor 31A, and disposed at a position closer to the disk insertion roller 11 than the standby position of the pickup 32.
- the fixed cam 34A is provided at a central portion near the inside of the disc insertion slot 11 and the fixed cam 34B is provided at one end near the inside of the disc inlet 11.
- the fixed cams 34A and 34B are each formed of a groove having a predetermined length extending in the disk insertion direction. One end of the groove on the disk insertion slot 11 side is closer to the base body 10 than the other end.
- the cam pins 35A and 35B provided on the traverse 30 slide in the grooves of the fixed cams 34A and 34B, thereby displacing the traverse 30 in the disc insertion / ejection direction (X-axis direction). However, it can be displaced in a direction (Z-axis direction) that approaches or separates from the pace body 10.
- the main slider 40 and the sub-slider 50 are disposed so as to be located on the side of the spindle motor 31A.
- the main slider 40 is disposed such that one end thereof is on the front surface side of the chassis main body 10 and the other end is on the rear surface side of the chassis main body 10.
- the sub-slider 50 is disposed in a direction orthogonal to the main slider 40.
- the cam mechanism for displacing the traverse 30 includes a slider cam mechanism 51 and an elevating cam mechanism 52, and is provided on the sub-slider 50.
- the slider cam mechanism 51 is formed of a groove having a predetermined length extending in the moving direction of the sub-slider 50. The groove extends from one end (the main slider 40 side) end to the other end of the disk insertion slot.
- the slide pin 53 provided on the traverse 30 slides in the groove of the slide ⁇ — cam mechanism 51 to displace the traverse 30 in the disk insertion / ejection direction (X-axis direction).
- the elevating cam mechanism 52 includes a groove having a predetermined length extending in the moving direction of the sub-slider 50. The groove extends from one end (main slider 40 side) end to the other end of the base body 10. Distance (Z-axis distance) is gradually changed.
- the elevating pin 54 provided on the traverse 30 slides in the groove of the elevating cam mechanism 52 to move the traverse 30 close to and away from the base body 10 (Z-axis direction). Direction).
- a loading motor (not shown) is provided at one end of the main slider 40.
- the drive shaft of the loading motor and one end of the main slider 40 are connected via a gear mechanism (not shown).
- the main slider 40 By driving the loading motor, the main slider 40 can be slid in the longitudinal direction (X-axis direction).
- the main slider 40 is connected to the sub-slider 5 ⁇ by a cam lever 0.
- the cam lever 0 has a rotation fulcrum 7 1, engages with the cam groove 41 provided on the main slider 40 at pin 2, and engages with the cam groove provided on the sub-slider 50 at pin 4. .
- the cam lever 70 moves the sub-slider 50 in conjunction with the movement of the main slider 40, and operates the slider cam mechanism 51 and the elevating cam mechanism 52 by moving the sub-slider 50 to move the trano 30. It has a function to displace. '
- the traverse 30 is also supported on the base body 10 by a pair of fixed cams 36A and 36B.
- the pair of fixed cams 36A, 36B are disposed between the fixed cams 34A, 34B and the sub slider 50, and disposed between the fixed cams 34A, 34B and the sub slider 50. Is preferred.
- the fixed cams 36A and 36B are each formed of a groove having a predetermined length and the same configuration as the fixed cams 34A and 34B.
- the cam pins 37A and 37B provided on the traverse 30 slide in the grooves of the fixed cams 36A and 36B, thereby displacing the traverse 30 in the disk insertion direction. However, it can be displaced in the direction that approaches and separates from the base body 1 ⁇ .
- the traverse 30, the fixed cams 34A, 34B, 36A, 36B, the main slider 40, the sub-slider 50, and the loading motor described above are provided on the base body 10, and these members and the lid 130 are provided. A disk insertion space is formed between them.
- a first disk guide (not shown) having a predetermined length is provided on one end side of the base body 10 near the disk insertion slot 11.
- the first disk guide has a U-shaped groove when viewed from the disk insertion direction. The disc is supported by the groove.
- a pull-in lever 80 is provided at the other end of the base body 10 near the disk insertion slot 11, and a second disk guide 81 is provided at the movable end of the pull-in lever 80.
- the second disk guide 81 is formed of a cylindrical roller, and is rotatably provided at the movable end of the pull-in lever 80. Still, a groove is formed on the outer periphery of the roller of the second disk guide 81, and the disk is supported by this groove.
- the bow I pull-in lever 80 is arranged such that the movable end is moved closer to the disk insertion roller 11 than the fixed end, and has a pivot point 82 at the fixed end.
- a third disk guide 84 having a predetermined length is provided between the movable side end and the fixed side end of the pull-in lever 80.
- the retracting lever 80 is provided with a pin 85, and when the pin 85 slides on the cam groove 42 of the main slider 40, the retracting lever 80 operates. That is, with the movement of the main slider 40, the pull-in lever 8 # operates so that the second disk guide 81 approaches and separates from the spindle motor 31A.
- the base body 10 is provided with a discharge lever 100.
- a guide M 01 is provided at the movable end of one end of the discharge lever 100.
- a rotation fulcrum 102 is provided at the other end of the discharge lever 100.
- the ejection lever 100 operates in conjunction with the movement of the main slider 140 by the pin 103 and the cam groove 43.
- a discharge lever 110 is provided on a side of the base body 10 facing the discharge lever 100.
- a guide 11. 1 is provided at a movable end of one end of the discharge lever 110.
- a rotation fulcrum 112 is provided on the other end of the discharge lever 110.
- the ejection lever 110 operates in the same manner as the movement of the ejection lever 100.
- a fixing pin 120 is provided on the rear side of the base body 10.
- the fixing pin 120 regulates the position of the disk when the disk is loaded and chucked.
- the chassis exterior is composed of a base body 10 and a lid 130, and an opening 132 is provided in the center of the lid 130.
- This opening 1 32 is a circular opening having a large radius at the center of the disk. Therefore, the opening is larger than the hub body 150 of the spindle motor 31 A fitted into the center hole of the disk.
- a throttle part 133 protruding toward the base body 10 side is formed.
- FIGS. 24 to 26 show the completed loading state of the disk.
- FIG. 27 is a plan view of a main part of the base body showing a state in which a first predetermined time has passed since the start of the disk chucking operation of the disk device
- FIG. 28 is a sectional side view of the main part in the same state
- FIG. It is a side view of the sub slider in a state.
- FIG. 3 ⁇ is a plan view of a main part of the base body showing a state after a second predetermined time has elapsed from the state of FIG. 27,
- FIG. 31 is a sectional side view of the main part in the same state, and
- FIG. FIG. 3 is a side view of the subslide ⁇ f in FIG.
- FIG. 33 is a plan view of a main part of the base body showing a state in which the traverse is at the highest position after a third predetermined time has elapsed from the state of FIG. 30, and FIG. 34 is a side sectional view of the main part in the same state. 35 is a side view of the sub-slider in the same state.
- FIG. 36 is a plan view of a main part of the base body showing a recording / reproducing state of the disc after a fourth predetermined time has elapsed from the state of FIG. 33
- FIG. 37 is a side sectional view of the main part in the same state.
- FIG. 38 is a side view of the sub-slider in the lying down position.
- the slide bin 53 is located at one end (the main slider 14 ⁇ side) of the slide cam mechanism 51. Therefore, the trap 30 is arranged at a position closest to the rear side.
- the cam pins 35A and 35B are located at the other ends of the grooves of the fixed cams 34A and 34B. Therefore, the other end side (the pickup 32 side) of the traverse 30 is located closest to the base body 1 ⁇ ⁇ ⁇ .
- the elevating pin 54 is located at one end (the side of the main slider 140) of the elevating cam mechanism 52. Therefore, one end side of the traverse 30 (the spindle motor 31A side) is arranged at the position closest to the pace body 10.
- the traverse base 30 is moved by the first X-axis distance in the direction of the disk insertion slot 11. While being moved, the other end of the traverse 3 ⁇ is arranged at a position separated from the base body 10 by the first Y-axis distance.
- the slide bin 53 moves the slide cam mechanism 51 by the first Y-axis distance
- the traverse 30 moves by the first X-axis distance in the direction of the disk inlet 11.
- the cam pins 35A and 35B move the first X-axis distance in the direction of one end of the groove of the fixed cams 34A and 34B, and the other end (the pickup 32 side) of the traverse 30 moves to the base.
- the lifting pin 54 moves from the one end (main slider 40 side) end of the lifting cam mechanism 52 by the first Y-axis distance, but the grooves within the range of the first ⁇ -axis distance have the same height. Therefore, one end side (the spindle motor 31 A side) of the drive 30 is held at a position closest to the base body 10.
- the slide pin 53 moves the slide cam mechanism 51 by the distance of the second axis, but in this movement range, the groove of the slide cam mechanism 51 moves in the moving direction of the sub-slider 50 (axis Direction), the traverse 30 does not move in the direction of the disc insertion slot 11. Therefore, the cam pins 35A and 35B do not move in the grooves of the fixed cams 34A and 34B.
- the lifting pin 54 connects the groove of the lifting cam mechanism 52 to the second ⁇ -axis distance. And move one end of traverse 30 (spindle motor 31A side) from base body 1 ⁇ by the second Z-axis distance.
- the sub-slider 50 By further moving the main slider 4 ⁇ in the direction of the disc insertion slot 11 from the state shown in FIG. 30, the sub-slider 50 further moves in the direction of the main slider 40. Then, in the state where the chucking operation is further performed for the third predetermined time from the state shown in FIG. 30, as shown in FIGS. 33 to 35, the other end of the traverse 30 is furthest away from the base body 10. It is located at a third Z axis distance.
- the slide pin 53 moves the slide cam mechanism 51 by the third axis distance, but in this movement range, the groove of the slide cam mechanism 51 moves in the moving direction of the sub-slider 50 ( ⁇ axis). Direction), so that the traverse 30 does not move in the direction of the disc insertion slot 11. Therefore, the cam pins 35A and 35B do not move in the grooves of the fixed cams 34A and 34B.
- the elevating pin 54 moves the groove of the elevating cam mechanism 52 by the third Y-axis distance, and moves one end (the spindle motor 31A side) of the traverse 30 from the base body 10 to the third Move to Z axis distance (maximum height). In this state, the chucking of the hub body 150 to the disk is completed.
- the sub-slider 50 By further moving the main slider 40 in the direction of the disc insertion slot 11 from the state shown in FIG. 33, the sub-slider 50 further moves in the direction of the main slider 4 ⁇ . Then, as shown in FIG. 36 to FIG. 38, the traverse 3 moves in the direction of the disk inlet 11 and the other end of the tray 3 moves in the direction approaching the base body 10. It moves and is positioned at the first Z-axis distance. .
- the slide pin 53 moves the slide cam mechanism 51 by the fourth axial distance
- the traverse 30 moves by the second X-axial distance in the direction of the disk insertion roller 11. Therefore, the cam pins 35A and 35B move by the second X-axis distance toward one end of the groove of the fixed cams 34A and 34B, but the other end (the pickup 32 side) of the traverse 30 has a height does not change.
- the elevating pin 54 moves the groove of the elevating cam mechanism 52 by the fourth axis distance, and moves one end side (the spindle motor 31 A side) of the traverse 30 in the direction of the base body 10. It is arranged at the position of the first Z-axis distance.
- the disc is separated from the lid 130 and separated from the fixing pin 120, so that the disc is in a reproduction / recording state.
- the loaded disk is ejected by driving a loading motor and moving the main slider 140 in the direction of the other end, and basically the above operation is performed in reverse.
- the chucking device of the present invention is useful for a disk device that is integrated in a so-called notebook personal computer body in which display means, input means, arithmetic processing means, and the like are integrated, or is integrally set.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/591,594 US7480927B2 (en) | 2004-03-04 | 2004-11-08 | Chucking apparatus |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004061017A JP3851908B2 (ja) | 2004-03-04 | 2004-03-04 | チャッキング装置 |
JP2004-61021 | 2004-03-04 | ||
JP2004061015A JP3822608B2 (ja) | 2004-03-04 | 2004-03-04 | チャッキング装置 |
JP2004-61017 | 2004-03-04 | ||
JP2004061021A JP3822611B2 (ja) | 2004-03-04 | 2004-03-04 | チャッキング装置 |
JP2004-61015 | 2004-03-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005086152A1 true WO2005086152A1 (ja) | 2005-09-15 |
Family
ID=34923015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/016907 WO2005086152A1 (ja) | 2004-03-04 | 2004-11-08 | チャッキング装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7480927B2 (ja) |
TW (1) | TW200531016A (ja) |
WO (1) | WO2005086152A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7987475B2 (en) * | 2006-11-16 | 2011-07-26 | Nidec Corporation | Chucking mechanism, brushless motor and disk drive apparatus |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005086154A1 (ja) * | 2004-03-04 | 2005-09-15 | Matsushita Electric Industrial Co., Ltd. | チャッキング装置 |
KR100737531B1 (ko) * | 2005-12-30 | 2007-07-10 | 엘지이노텍 주식회사 | 스핀들 모터의 턴테이블 |
JP4946208B2 (ja) * | 2006-06-29 | 2012-06-06 | 日本電産株式会社 | 記録媒体の保持装置とそれを用いたモータユニット |
JP4872505B2 (ja) * | 2006-07-20 | 2012-02-08 | 日本電産株式会社 | チャッキング装置、このチャッキング装置を搭載したブラシレスモータ、およびディスク駆動装置 |
JP5076573B2 (ja) * | 2007-03-19 | 2012-11-21 | 日本電産株式会社 | チャッキング装置を備えたモータ、およびこのモータを搭載したディスク駆動装置 |
JP5092476B2 (ja) * | 2007-03-19 | 2012-12-05 | 日本電産株式会社 | チャッキング装置を備えたモータ、およびこのモータを搭載したディスク駆動装置 |
JP4992497B2 (ja) * | 2007-03-19 | 2012-08-08 | 日本電産株式会社 | チャッキング装置を備えたモータ、およびこのモータを搭載したディスク駆動装置 |
JP4978257B2 (ja) * | 2007-03-19 | 2012-07-18 | 日本電産株式会社 | チャッキング装置を備えたモータ、およびこのモータを搭載したディスク駆動装置 |
KR100971302B1 (ko) * | 2008-12-15 | 2010-07-20 | 삼성전기주식회사 | 디스크 척킹 장치 |
KR101020803B1 (ko) * | 2009-06-02 | 2011-03-09 | 엘지이노텍 주식회사 | 스핀들 모터의 클램핑 장치 |
WO2019111531A1 (ja) * | 2017-12-07 | 2019-06-13 | パナソニックIpマネジメント株式会社 | ディスク装置 |
Citations (3)
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JP2000067497A (ja) * | 1998-08-25 | 2000-03-03 | Sankyo Seiki Mfg Co Ltd | モータのディスクチャッキング機構 |
JP2000149363A (ja) * | 1998-11-10 | 2000-05-30 | Sanyo Electric Co Ltd | ディスクプレーヤーのディスク保持装置 |
JP2003016710A (ja) * | 2001-04-27 | 2003-01-17 | Matsushita Electric Ind Co Ltd | ディスク装置 |
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US4562570A (en) * | 1983-11-28 | 1985-12-31 | North American Philips Consumer Electronics Corp. | Video disc turntable having clamping device |
US5486962A (en) * | 1994-10-12 | 1996-01-23 | International Business Machines Corporation | Integral hub and disk clamp for a disk drive storage device |
JPH0927184A (ja) * | 1995-07-07 | 1997-01-28 | Sony Corp | ディスクプレーヤ装置 |
TW358198B (en) * | 1996-12-18 | 1999-05-11 | Matsushita Electric Ind Co Ltd | Dish holding device |
JPH11296942A (ja) * | 1998-04-09 | 1999-10-29 | Sony Corp | ディスクのチャック装置 |
WO2000033303A1 (en) * | 1998-11-30 | 2000-06-08 | Koninklijke Philips Electronics N.V. | Clamping device for a disc-shaped information carrier |
JP2002352496A (ja) * | 2001-05-25 | 2002-12-06 | Pioneer Electronic Corp | クランプ機構および情報再生機構 |
KR100513315B1 (ko) * | 2003-04-28 | 2005-09-09 | 삼성전기주식회사 | 디스크 드라이브의 홀더 |
-
2004
- 2004-11-08 WO PCT/JP2004/016907 patent/WO2005086152A1/ja active Application Filing
- 2004-11-08 US US10/591,594 patent/US7480927B2/en not_active Expired - Fee Related
- 2004-11-09 TW TW093134153A patent/TW200531016A/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000067497A (ja) * | 1998-08-25 | 2000-03-03 | Sankyo Seiki Mfg Co Ltd | モータのディスクチャッキング機構 |
JP2000149363A (ja) * | 1998-11-10 | 2000-05-30 | Sanyo Electric Co Ltd | ディスクプレーヤーのディスク保持装置 |
JP2003016710A (ja) * | 2001-04-27 | 2003-01-17 | Matsushita Electric Ind Co Ltd | ディスク装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7987475B2 (en) * | 2006-11-16 | 2011-07-26 | Nidec Corporation | Chucking mechanism, brushless motor and disk drive apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20070157219A1 (en) | 2007-07-05 |
TWI373036B (ja) | 2012-09-21 |
US7480927B2 (en) | 2009-01-20 |
TW200531016A (en) | 2005-09-16 |
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