Patent · US Expired

Demand driven clutch

US4047445A · kind A · utility

5Cited by
1References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 20, 1976
Grant dateSep 13, 1977
Priority date
Expiry dateSep 20, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03D3/13
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A demand driven clutch which constitutes an improvement over Jensen U.S. Pat. No. 3,369,765 and Treise U.S. Pat. No. 3,695,534 and which includes a pair of cooperating driving elements, one of which constitutes a driving collar fixed to the rotary drive shaft and the other constitutes a driving hub connected to said collar by stress distributing axially disposed connecting elements to maintain the circular configuration of the outer clutch surface of said hub for uniform engagement with the circular inner clutch surface of the spring spool pulley member.

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