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:
Dec. 18, 2007
Filed:
Jul. 07, 2005
Applicant:
Yasuhito Koike, Fukuroi, JP;
Inventor:
Yasuhito Koike, Fukuroi, JP;
Assignee:
NSK-Warner K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 27/06 (2006.01); B21D 22/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a clutch housing having a boss portion and a drum portion integrally provided with the boss portion, is characterized by steps of integrally forming the boss portion and the drum portion by hot forging, and forced-cooling at least a portion of the boss portion, continuous to the integrally forming step.