The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2008
Filed:
Jul. 05, 2005
Applicants:
Sylvain Bussit, Tours, FR;
Claude Caillault, Tours, FR;
Inventors:
Sylvain Bussit, Tours, FR;
Claude Caillault, Tours, FR;
Assignee:
Aktiebolaget SKF, Gothenburg, SE;
Primary Examiner:
Int. Cl.
CPC ...
F16D 25/08 (2006.01); F16D 23/14 (2006.01);
U.S. Cl.
CPC ...
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.