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:
Feb. 22, 2022
Filed:
Nov. 01, 2018
Applicant:
Hirotec Corporation, Hiroshima, JP;
Inventors:
Takehiro Shibata, Hiroshima, JP;
Sho Takai, Hiroshima, JP;
Assignee:
HIROTEC CORPORATION, Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 39/02 (2006.01); B21D 19/08 (2006.01);
U.S. Cl.
CPC ...
B21D 39/021 (2013.01); B21D 19/08 (2013.01); B21D 19/084 (2013.01);
Abstract
A hem punch is floating-supported to a slide cam by a floating-support mechanism. After the hem punch is moved to be positioned at a pre-hemming start position by a driver cam, preliminary hemming is performed. Subsequently, the hem punch is moved to be positioned at a final-hemming start position by the driver cam, and then the hem punch is moved downward by the floating-support mechanism to perform final hemming.