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. 01, 2011
Filed:
Jun. 05, 2007
Applicants:
Kousuke Obayashi, Fukuroi, JP;
Kazuyuki Yamamoto, Hamamatsu, JP;
Inventors:
Kousuke Obayashi, Fukuroi, JP;
Kazuyuki Yamamoto, Hamamatsu, JP;
Assignee:
NTN Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16C 33/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thrust roller bearing comprises a plurality of rollers and a disk-shaped retainer having a plurality of pockets for holding the plurality of rollers and having an outer flange part bent in a rotation axis direction. The inner surface of the outer flange part forms the outer wall surface of the pocket and the outer wall surface of the pocket is processed by the ironing.