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:
Apr. 16, 1985
Filed:
Apr. 18, 1983
Applicant:
Inventors:
Jack H Schron, Chagrin Falls, OH (US);
Lawrence H Seidel, Mentor, OH (US);
Assignee:
Jergens, Inc., Cleveland, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
269 32 ; 269234 ;
Abstract
A self-locking hydraulic clamping device includes a hydraulic piston which is notched on one side to form a compound camming surface which drivingly engages a spring-loaded clamping pin moving in a bore normal to the bore in which the hydraulic piston moves, the latter bore preferably extending parallel to the side of the workpiece being clamped.