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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0316377 (2014-06-26) |
등록번호 | US-9129639 (2015-09-08) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 328 |
A disk clamp that can engage a disk hub to couple a disk media to a disk hub, the disk clamp having a body portion, and a groove formed in a surface of the body portion and extending at least in a circumferential direction substantially parallel to at least a portion of the circumference of the disk
A disk clamp that can engage a disk hub to couple a disk media to a disk hub, the disk clamp having a body portion, and a groove formed in a surface of the body portion and extending at least in a circumferential direction substantially parallel to at least a portion of the circumference of the disk clamp; and a balance weight installed in the groove formed in the surface of the disk clamp, the balance weight having a quantity of material applied in the groove. A disk drive assembly using the disk hub and a method of correcting a drive imbalance using the disk hub.
1. A disk drive assembly comprising: a disk hub;a disk media; andan annular disk clamp that engages a radial surface of the disk hub to couple the disk media to disk hub,wherein the disk clamp comprises: a body portion having a transverse hole extending through the body portion; anda groove formed i
1. A disk drive assembly comprising: a disk hub;a disk media; andan annular disk clamp that engages a radial surface of the disk hub to couple the disk media to disk hub,wherein the disk clamp comprises: a body portion having a transverse hole extending through the body portion; anda groove formed in a surface of the body portion and extending in a circumferential direction substantially parallel to at least a portion of the circumference of the disk clamp; anda balance weight installed in the groove formed in the surface of the disk clamp, wherein the balance weight comprises a quantity of material applied in the groove. 2. The disk drive assembly according to claim 1, wherein the groove has a substantially semi-circular cross section. 3. The disk drive assembly according to claim 1, wherein the groove has a cross-section comprising one or more steps formed on a bottom thereof. 4. The disk drive assembly according to claim 1, wherein the groove has a cross-section comprising an inclined bottom. 5. The disk drive assembly according to claim 4, wherein the groove comprises a protrusion that extends from a radially inner wall of the groove toward the center of the groove. 6. A disk clamp configured to engage a disk hub to couple a disk media to a disk hub, wherein the disk clamp comprises: an annular body portion having a transverse hole extending through the body portion, the body portion configured to engage a radial surface of the disk hub;anda groove formed in a surface of the body portion and extending at least in a circumferential direction substantially parallel to at least a portion of the circumference of the disk clamp; anda balance weight installed in the groove formed in the surface of the disk clamp, wherein the balance weight comprises a quantity of material applied in the groove. 7. The disk clamp according to claim 6, wherein the groove has a substantially semi-circular cross section. 8. The disk clamp according to claim 6, wherein the groove has a cross-section comprising one or more steps formed on a bottom thereof. 9. The disk clamp according to claim 6, wherein the groove has a cross-section comprising an inclined bottom. 10. The disk clamp according to claim 9, wherein the groove comprises a protrusion that extends from a radially inner wall of the groove toward the center of the groove. 11. A method of balancing a disk pack in a disk drive, the method comprising: providing a disk media, a disk hub and a disk clamp having a circumferentially extending groove formed in a surface thereof;positioning the disk media proximate to the disk hub;coupling the disk clamp to the disk hub to apply a clamping force to the disk media;determining an imbalance of the coupled disk clamp, disk hub, and disk media; andattaching a quantity of material so as to be in a stationary position within the groove to correct the imbalance. 12. The method according to claim 11, wherein the attaching a quantity of material comprises inject a quantity of molten material into the groove. 13. The method according to claim 12, wherein the quantity of molten material is injected into the groove using jet printing. 14. The method according to claim 11, wherein the attaching a quantity of material comprises attaching a bearing to the groove using adhesive. 15. The method according to claim 11, wherein the groove has an inclined surface; and wherein the attaching a quantity of material into the groove comprises:positioning the material along the inclined surface to correct the imbalance in three-dimensions. 16. The method according to claim 11, wherein the groove has a cross-section having one or more steps formed on a bottom thereof; and wherein the attaching a quantity of material into the groove comprises:positioning the material on the one or more steps formed on a bottom of the groove to correct the imbalance in three-dimensions.
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