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:
Mar. 03, 2009
Filed:
Nov. 21, 2005
Applicant:
Minoru Sentoku, Kashiba, JP;
Inventor:
Minoru Sentoku, Kashiba, JP;
Assignee:
Jtekt Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A roller bearing apparatus having a fixed bearing ring, a rotary bearing ring, and rolling elements rollably provided between the bearing rings. Piezoelectric elements are provided in the form of a film interposed between the fixed bearing ring and a fixing part to which the fixed bearing ring is fixed so as to detect loads applied between the fixed bearing ring and the fixing part.