Patent · US Active

Actuator

US7449815B2 · kind B2 · utility

3Cited by
2References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 14, 2006
Grant dateNov 11, 2008
Priority date
Expiry dateAug 14, 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; an urging section that urges the driven member to frictionally engage the driven member with the driving frictional member; and an urging force adjusting section that adjusts an urging force of the urging section.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.