Patent · US Expired

Vibration driven motor including a vibration member having an elastic contact portion and a contact member having an elastic contact portion

US5646469A · kind A · utility

23Cited by
14References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 1995
Grant dateJul 8, 1997
Priority date
Expiry dateSep 27, 2015

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02N2/026
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A vibration driven motor including a vibration member for generating a vibration therein as a driving force, and a contact member in press contact with the vibration member, wherein a vibration generated in the vibration member causes relative movement between the vibration member and the contact member. The vibration member includes an elastic contact portion, and the contact member includes an elastic contact portion in contact with the contact portion of the vibration member.

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