Disk chucking device for alignment of the rotational center of a disk with the center of the disk chucking device
US8181193B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2009 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Apr 18, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/0288
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A disk chucking device is disclosed. In accordance with an embodiment of the present invention, the disk chucking device coupling a disk to a rotor of a motor such that the disk can be mounted and demounted can include a boss, which is coupled with the rotor, a first elastic body, which includes an inner circumference surrounding the boss and in which the first elastic body has elasticity in a radial direction from a center of the boss, a plurality of second elastic bodies, which are radially disposed from the first elastic body and in which the plurality of second elastic bodies are elastically supported by the first elastic body, and a plurality of chuck pins, which press the disk and in which each of the plurality of chuck pins is elastically supported by each of the plurality of second elastic bodies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.