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:
Nov. 29, 2011
Filed:
Nov. 18, 2008
Applicants:
Masaru Kono, Hiroshima, JP;
Satoshi Takemoto, Hiroshima, JP;
Inventors:
Masaru Kono, Hiroshima, JP;
Satoshi Takemoto, Hiroshima, JP;
Assignee:
Hirotec Corporation, Hiroshima, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lower platen of the hemming apparatus is provided with a hem punch capable of being pressed against an inner periphery bent portion of a workpiece having a frame and a cam follower. The cam follower is disposed on the lower platen to come outside the frame of the workpiece. The cam follower and the hem punch are connected through a connecting member. An upper platen of the hemming apparatus is provided with a driver cam engageable against the cam follower. The driver cam moves the cam follower, whereby the hem punch is pressed against the inner periphery bent portion.