IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0751898
(2000-12-27)
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발명자
/ 주소 |
- Watson, Scott E.
- Robinson, Peter G.
- Little, Aaron D.
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출원인 / 주소 |
- Western Digital Technologies, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
62 인용 특허 :
14 |
초록
▼
A disk drive is disclosed comprising a head, a spindle motor having a hub, the hub comprising a cylindrical shaft, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaft. A disk
A disk drive is disclosed comprising a head, a spindle motor having a hub, the hub comprising a cylindrical shaft, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaft. A disk is positioned on the spindle motor and an actuator moves the head radially over the disk. A disk clamp clamps the disk to the spindle motor. The disk clamp comprises a ring-shaped body comprising an outer ring-shaped surface abutting the disk, and an inner neck spaced-apart from the outer ring-shaped surface, the inner neck comprising a plurality of independently flexing teeth for contacting the latching member.
대표청구항
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1. A disk drive comprising:(a) a head;(b) a spindle motor having a hub, the hub comprising a cylindrical shaft and a flange, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaf
1. A disk drive comprising:(a) a head;(b) a spindle motor having a hub, the hub comprising a cylindrical shaft and a flange, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaft;(c) a disk positioned on the flange;(d) an actuator for moving the head radially over the disk; and(e) a disk clamp for clamping the disk to the spindle motor, the disk clamp comprising a ring-shaped body comprising an outer ring-shaped surface, and an inner neck spaced-apart from the outer ring-shaped surface, wherein:the inner neck comprising a plurality of independently flexing teeth for contacting the latching member;the outer ring-shaped surface providing an axial clamping force for clamping the disk to the flange; andeach of the teeth comprises a crown member for use in deflecting the teeth away from the shaft when installing the disk clamp during manufacture of the disk drive. 2. The disk drive as recited in claim 1, wherein:(a) the latching member comprises a groove extending around at least part of the circumference of the shaft; and(b) each of the teeth comprises a tab inserted into the groove. 3. The disk drive as recited in claim 1, wherein:(a) the latching member of the shaft comprises a protruding ridge extending around at least part of the circumference of the shaft; and(b) each of the teeth comprises a groove interacting with the protruding ridge. 4. The disk drive as recited in claim 1, wherein the outer ring-shaped surface abutting the disk comprises a raised curve surface. 5. The disk drive as recited in claim 4, wherein the ring-shaped body further comprises a circumferential rim adjacent the raised curve surface, the circumferential rim providing a latching surface for an insertion tool used to install the disk clamp during manufacture of the disk drive. 6. A disk clamp for clamping a disk to a spindle motor of a disk drive, the spindle motor comprising a hub, the hub comprising a cylindrical shaft and a flange, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaft, the disk clamp comprising a ring shaped body comprising:(a) an outer ring-shaped surface; and(b) an inner neck spaced-apart from the outer ring-shaped surface, wherein:the inner neck comprising a plurality of independently flexing teeth for contacting the latching member;the outer ring-shaped surface providing an axial clamping force for clamping the disk to the flange; andeach of the teeth comprises a crown member for use in deflecting the teeth away from the shaft when installing the disk clamp during manufacture of the disk drive. 7. The disk clamp as recited in claim 6, wherein:(a) the latching member comprises a groove extending around at least part of the circumference of the shaft; and(b) each of the teeth comprises a tab inserted into the groove. 8. The disk clamp as recited in claim 6, wherein:(a) the latching member of the shaft comprises a protruding ridge extending around at least part of the circumference of the shaft; and(b) each of the teeth comprises a groove interacting with the protruding ridge. 9. The disk clamp as recited in claim 6, wherein the outer ring-shaped surface abutting the disk comprises a raised curve surface. 10. The disk clamp as recited in claim 9, wherein the ring-shaped body further comprises a circumferential rim adjacent the raised curve surface, the circumferential rim providing a latching surface for an insertion tool used to install the disk clamp during manufacture of the disk drive. 11. A disk drive comprising:(a) a head;(b) a spindle motor having a hub, the hub comprising a cylindrical shaft and a flange, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaft;(c) a disk positioned on the flange;(d) an actuator for moving the head radially over the disk; and(e) a disk clamp for clamping the disk to the spindle motor, the disk clamp comprising a ring-shaped body comprising an outer ring-shaped surface, and an inner neck spaced-apart from the outer ring-shaped surface, wherein:the inner neck comprising a plurality of independently flexing teeth for contacting the latching member;the outer ring-shaped surface providing an axial clamping force for clamping the disk to the flange; andthe neck of the disk clamp comprises a substantially curved shape extending from a top of the neck to the outer ring-shaped surface abutting the disk. 12. The disk drive as recited in claim 11, wherein:(a) the latching member comprises a groove extending around at least part of the circumference of the shaft; and(b) each of the teeth comprises a tab inserted into the groove. 13. The disk drive as recited in claim 11, wherein each of the teeth comprises a crown member for use in deflecting the teeth away from the shaft when installing the disk clamp during manufacture of the disk drive. 14. The disk drive as recited in claim 11, wherein the outer ring-shaped surface abutting the disk comprises a raised curve surface. 15. The disk drive as recited in claim 14, wherein the ring-shaped body further comprises a circumferential rim adjacent the raised curve surface, the circumferential rim providing a latching surface for an insertion tool used to install the disk clamp during manufacture of the disk drive. 16. A disk clamp for clamping a disk to a spindle motor of a disk drive, the spindle motor comprising a hub, the hub comprising a cylindrical shaft and a flange, the shaft defining a generally cylindrically-shaped outer surface, the outer surface defining a latching member extending around at least part of the circumference of the shaft, the disk clamp comprising a ring shaped body comprising:(a) an outer ring-shaped surface; and(b) an inner neck spaced-apart from the outer ring-shaped surface, wherein:the inner neck comprising a plurality of independently flexing teeth for contacting the latching member;the outer ring-shaped surface providing an axial clamping force for clamping the disk to the flange; andthe neck comprises a substantially curved shape extending from a top of the neck to the outer ring-shaped surface abutting the disk. 17. The disk clamp as recited in claim 16, wherein:(a) the latching member comprises a groove extending around at least part of the circumference of the shaft; and(b) each of the teeth comprises a tab inserted into the groove. 18. The disk clamp as recited in claim 16, wherein each of the teeth comprises a crown member for use in deflecting the teeth away from the shaft when installing the disk clamp during manufacture of the disk drive. 19. The disk clamp as recited in claim 16, wherein the outer ring-shaped surface abutting the disk comprises a raised curve surface. 20. The disk clamp as recited in claim 19, wherein the ring-shaped body further comprises a circumferential rim adjacent the raised curve surface, the circumferential rim providing a latching surface for an insertion tool used to install the disk clamp during manufacture of the disk drive.
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