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:
Apr. 21, 2009
Filed:
May. 24, 2006
Applicants:
Akira Takahashi, Kanagawa, JP;
Tatsuo Wakabayashi, Kanagawa, JP;
Inventors:
Akira Takahashi, Kanagawa, JP;
Tatsuo Wakabayashi, Kanagawa, JP;
Assignee:
NSK Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 32/00 (2006.01); G01P 3/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
An IC tagis fixed to a central portion of an axially outer end portion face of a hubwhich is a rotational ring which makes up the wheel supporting bearing unit. Historical information of the wheel supporting bearing unitis stored in the IC tag. The historical information stored in the IC tagcan be read easily by the use of an external device. Due to this, the traceability of the wheel supporting bearing unitcan be increased.