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:
May. 13, 2003
Filed:
Mar. 08, 2000
Applicant:
Inventors:
Masao Takeda, Fujisawa, JP;
Haruyuki Aihara, Fujisawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16O 2/314 ;
U.S. Cl.
CPC ...
F16O 2/314 ;
Abstract
A seal for sealing between the inner ring and outer ring of the clutch release bearing comprising a labyrinth seal section extending from one of the inner ring and outer ring and kept in a non-contact state with reference to the other ring, and a contact seal section comprising a lip portion and provided on the internal side of the labyrinth seal and kept in a contact state with reference to the other ring, and the lip portion acting to obstruct semi-fluidized foreign matter which enters through the labyrinth seal.