Driving apparatus
US8044555B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 27, 2008 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jun 21, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A driving apparatus comprises: an electromechanical conversion element that expands and contracts in an extending direction of a given fiducial line; a driving shaft mounted on one end of the electromechanical conversion element in the extending direction; a driven member frictionally engaged with the driving shaft; a holder that supports the electromechanical conversion element from lateral sides with respect to extending direction; and an urging member that urges the electromechanical conversion element in the extending direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.