Belleville disk clamp
US8824098B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2006 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jan 19, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/0287
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk clamp for clamping an information storage disk to a rotating spindle in a disk drive includes a deflection portion that is annular and conical in shape, and which has a material thickness, an outer extent, and an inner extent. In certain embodiments, the inner extent is offset from the outer extent by a particular height measured parallel to an axis of rotation of the disk clamp. The disk clamp may further include a disk contact portion that is disposed radially outboard from the deflection portion, and which may include a curvature radially outboard of the outer extent that departs from a projection of the deflection portion, and a surface for contacting the information storage disk.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.