Patent · US Expired

Mechanical gearing

US4059030A · kind A · utility

3Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 1975
Grant dateNov 22, 1977
Priority date
Expiry dateNov 25, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/19
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A mechanical gearing with a first rotatable member, three spherical balls in contact with and rotated by the first member, a second relatively flexible member in contact with the balls and a third rigid member fixed with respect to the second member and against which the second member is urged by the balls so that the second and third members rotate with respect to each other.

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