Disk drive apparatus having an annular straightening portion
US6961211B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 8, 2003 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Oct 25, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/038
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A spindle motor including a rotatable hub is provided on a case, and a disk is fitted on an outer periphery of the hub. A disk damper is fixed to an end portion of the hub to hold the disk on the hub. The disk damper integrally includes a clamp portion fixed to the end portion of the hub to hold a centre portion of the disk, and a substantially annular straightening portion extending outwards from the clamp portion in a radial direction and facing to a surface of the disk with a predetermined gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.