Actuator
US7368854B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2006 |
| Grant date | May 6, 2008 |
| Priority date | — |
| Expiry date | Nov 7, 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, the driving frictional member being frictionally engaged with a driven member; and a weight member mounted onto the other side in the extension/contraction direction of the electro-mechanical conversion element, wherein at least a part of the weight member is disposed at the one side from an end face of the other side of the electro-mechanical conversion element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.