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:
Sep. 07, 1982
Filed:
Mar. 24, 1980
Applicant:
Inventor:
Herbert Wehler, Neunkirchen-Salchendorf, DE;
Assignee:
Optima Spanntechnik GmbH, Siegen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; F16H / ;
U.S. Cl.
CPC ...
74110 ; 74520 ; 269 32 ;
Abstract
In a force amplifier, supporting members extend between a pressure plate and a countersupport plate. At each plate the supporting members bear against end bolts and intermediate the plates the support members bear against joint bolts. A spreader bolt extends through the countersupport plate and has a spreader head located between the joint bolts. The surfaces of the spreader bolt contacting the joint bolts are concavely shaped.