Spindle motor and recording disk driving device comprising the same
US6980394B2 · kind B2 · utility
20Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2004 |
| Grant date | Dec 27, 2005 |
| Priority date | — |
| Expiry date | Nov 8, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2370/12
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In the present invention, to reduce the noise of a spindle motor, a bush member is interposed between a base plate and an FDB unit. The base plate is a base of the spindle motor and of which a case of a hard disk drive is consisted. The FDB unit is a bearing unit which has a shaft, a sleeve having an inner peripheral surface opposed to an inner peripheral surface of the shaft, and a bearing housing formed integrally with the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.