Motor with a chucking device for detachably holding a disk having a central opening portion and disk drive apparatus equipped with the same
US7992160B2 · kind B2 · utility
2Cited by
31References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2008 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | May 14, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/0282
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a motor including a chucking device for detachably holding a disk, the chucking device has a center case to which a central opening of the disk is inserted; resilient members received within the center case; and claw members for holding the disk in place. Each of the claw members has a claw portion having a disk holding surface for holding the disk in place and a pair of wing portions extending radially inwardly from the claw portion. Further, each of the wing portions has a spherical contact surface contacting with a underlying part arranged axially below the wing portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.