Actuator
US7633211B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 10, 2006 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Sep 13, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An actuator comprises: an electro-mechanical conversion element; a driving frictional member mounted onto one side in an extension/contraction direction of the electro-mechanical conversion element; a driven member frictionally engaged with the driving frictional member; and a weight member affixed to the other side in the extension/contraction direction of the electro-mechanical conversion element and extending along sides of the electro-mechanical conversion element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.