Patent · US Expired

Clutch release bearing and method of manufacture

US7467702B2 · kind B2 · utility

0Cited by
52References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 5, 2005
Grant dateDec 23, 2008
Priority date
Expiry dateJan 30, 2026

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16D2250/00
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Hydraulically operated clutch release bearing device of the type including an operating element provided with an annular piston and a seal in contact with the piston, and a rolling-contact bearing axially secured to the operating element, the piston including a rear surface in contact with the said seal, at least one concave region being formed locally in the said rear surface of the piston.

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