Patent · US Active

Actuator

US7368854B2 · kind B2 · utility

7Cited by
3References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 28, 2006
Grant dateMay 6, 2008
Priority date
Expiry dateNov 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.