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:
Jul. 09, 2013
Filed:
Aug. 16, 2006
Applicants:
Naoki Masuda, Nara, JP;
Kazutoshi Toda, Tondabayashi, JP;
Hiroki Matsuyama, Nara, JP;
Kouji Kawaguchi, Izumi, JP;
Hiroyuki Ohshima, Kashihara, JP;
Inventors:
Naoki Masuda, Nara, JP;
Kazutoshi Toda, Tondabayashi, JP;
Hiroki Matsuyama, Nara, JP;
Kouji Kawaguchi, Izumi, JP;
Hiroyuki Ohshima, Kashihara, JP;
Assignee:
JTEKT Corporation, Osaka-Shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/36 (2006.01); F16H 57/04 (2010.01);
U.S. Cl.
CPC ...
Abstract
A tapered roller bearing includes an outer ring, an inner ring, a plurality of tapered rollers interposed between the outer ring and the inner ring, and a cage for the tapered rollers. Ra is smaller than Rb where Ra represents a radius of curvature of a large end face of the tapered roller and Rb represents a radius of curvature of an end face of a large rib portion of the inner ring.