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:
Jul. 14, 1998
Filed:
Dec. 09, 1996
Applicant:
Inventors:
Klaus Hofmann, Leutershausen, DE;
Klaus Betten, Rutschenhausen, DE;
Nicole Unrath, Schweinfurt, DE;
Horst Friedrich, Happertshausen, DE;
Assignee:
Mannesmann Sachs AG, Schweinfurt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
192 7014 ; 192 7027 ; 1921 / ;
Abstract
A friction clutch, preferably a multi-plate clutch, in which the pressure plate is made of carbon material and has a wear-resistant surface coating and/or an inserted wire ring in the contact area for the diaphragm spring.