Vibration driven motor
US5625247A · kind A · utility
1Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Apr 29, 1997 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/163
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An ultrasonic wave motor comprises a vibration member for generating a travelling vibration wave, a movable body to be driven by the vibration member, and a pressing mechanism having spring member which abuts against at least one of the vibration member and the movable body and presses the vibration member and the movable body toward each other. The spring member is formed by a resilient plate member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.