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:
Aug. 23, 1983
Filed:
Dec. 22, 1980
Applicant:
Inventors:
Gerardus M Ballendux, Waukesha, WI (US);
Robert E Schott, New Berlin, WI (US);
Assignee:
Allis-Chalmers Corporation, Milwaukee, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ; F16D / ;
U.S. Cl.
CPC ...
1921 / ; 91442 ; 192 / ;
Abstract
A pressure responsive relief valve closing responsive to clutch actuating pressure and opening responsive to centrifugal forces and a spring force to relieve residual pressure in the hydraulic actuator of a rotating clutch to avoid clutch drag.