Spindle motor
US5528092A · kind A · utility
39Cited by
12References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 19, 1994 |
| Grant date | Jun 18, 1996 |
| Priority date | — |
| Expiry date | Aug 19, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/124
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spindle motor comprises a stationary member, a rotor rotatably mounted by bearing means to the stationary member for holding a recording disk, a rotor magnet mounted to the rotor, and an armature mounted to the stationary member to seat opposite to the rotor magnet. In particular, the rotor includes a shaft, a hub extending outwardly and radially of the shaft, and a flange provided circumferentially of the hub which are integrally formed from a metal plate by plastic deformation process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.