Optical disk motor and disc driving device installing the optical disk motor
US8095946B2 · kind B2 · utility
1Cited by
10References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2006 |
| Grant date | Jan 10, 2012 |
| Priority date | — |
| Expiry date | Nov 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B19/2009
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cone part in a chucking device capable of freely attaching and detaching a disc having a disc shape includes an abutting portion for abutting an inner peripheral surface of a central through hole of the disc with substantially equal forces along an entire circumference thereof and aligning the disc. The cone part is made of a resin material having a high slidability than that of a material used for the disc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.