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:
Oct. 18, 1977
Filed:
Dec. 08, 1976
Applicant:
Inventor:
Satoru Kumabe, Yokohama, JA;
Assignee:
Ishikawajima-Harima Jukogyo Kabushiki Kaisha, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B23D / ;
U.S. Cl.
CPC ...
83644 ; 83646 ;
Abstract
Disclosed is a rolling cut type shear wherein a downwardly curved upper blade is moved in such a way that the midpoint thereof in the longitudinal direction passes a cycloidal path, whereby the slip of the upper blade relative to a steel plate to be cut may be prevented.