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:
Oct. 30, 2007
Filed:
Aug. 29, 2003
Applicant:
Junshi Sakamoto, Fujisawa, JP;
Inventor:
Junshi Sakamoto, Fujisawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a wheel supporting rolling bearing unit, an inner end opening out of both end openings of a space in which ballsare provided is sealed with a cap. An outer end opening is sealed with a seal ringhaving three seal lips. A rolling resistance that changes based on a preload is regulated in a range of 0.15 to 0.45 N·m, and a running resistance of the seal ringbased on a friction between the seal ring and a counter surface is regulated in a range of 0.03 to 0.2 N·m.