Patent · US Expired

Clutch facings

US4726455A · kind A · utility

36Cited by
11References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 30, 1985
Grant dateFeb 23, 1988
Priority date
Expiry dateDec 30, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D2069/004
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A moulded annular clutch facing has a plurality of surface grooves moulded into the facing. Each groove extends not substantially more than half way across the annulus, is not greater than 40% of the thickness of the facing in depth and extends either from the bore or the outer perimeter of the annulus.

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