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, 2012
Filed:
Aug. 12, 2008
Applicants:
Jun Hirade, Kuwana, JP;
Kimihiko Bito, Kuwana, JP;
Tetsuya Yamamoto, Kuwana, JP;
Inventors:
Assignee:
NTN Corporation, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F16C 32/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
To manufacture a shaft member, which is excellent in both accuracy and strength at low cost, a shaft member () includes a shaft portion () and a flange portion () provided to one end of the shaft portion (). The flange portion () has an annular shape, and the shaft portion () and the flange portion () are fixed by a welded portion (), which is formed by applying a laser beam () to an upper end of an inner periphery thereof.