Disc clamp with shape memory alloys
US6590739B2 · kind B2 · utility
3Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 2001 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | May 19, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B25/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disc clamp made from a shape memory alloy is configured for tight fit between an upper ledge of a spindle hub and the upper surface of a disc when the disc clamp is in an austenitic phase. In a martensitic phase, the disc clamp is configured for easy assembly over the spindle hub. The disc of the present invention provides for uniform distribution of clamping forces on the disc, and avoids the need for threaded holes in the spindle hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.