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:
May. 29, 2001
Filed:
Aug. 27, 1999
Applicant:
Inventor:
Naoki Mizobuchi, Toyonaka, JP;
Assignee:
Exedy Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 1/500 ;
U.S. Cl.
CPC ...
B23P 1/500 ;
Abstract
An impeller blade fixing method for a torque converter includes a fitting step and a caulking step. In the fitting step, projections (,), (,) and (,) of the impeller blades (,) are fitted into concavities (,), (,) and (,) formed on an inner surface of an impeller shell (,), respectively. In a caulking step, a portion (,) of the impeller shell (,) adjacent to one of the projections of each blade (,) is deformed thereby fixing each impeller blade (,) to the impeller shell (,). In the caulking step, only a portion of a surface (B) of the impeller shell (,) opposite the portion,is supported.