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:
Aug. 14, 2012
Filed:
Dec. 18, 2007
Kimihiko Bitou, Kuwana, JP;
Jun Hirade, Kuwana, JP;
Kazuto Shimizu, Kuwana, JP;
Tetsuya Yamamoto, Kuwana, JP;
Isao Komori, Kuwana, JP;
Kimihiko Bitou, Kuwana, JP;
Jun Hirade, Kuwana, JP;
Kazuto Shimizu, Kuwana, JP;
Tetsuya Yamamoto, Kuwana, JP;
Isao Komori, Kuwana, JP;
NTN Corporation, Osaka-shi, JP;
Abstract
A shaft portion is press-fitted to a flange portion, and a plastic working portion of a first jig is pressed against an upper end surface of the flange portion, whereby the flange portion is partially subjected to plastic deformation toward an inner peripheral side. With this, a caulked portion is formed between the flange portion and the shaft portion. Further, press-fitting and caulking are performed in a state in which both end surfaces of the flange portion are bound by a second jig and a third jig.