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:
Mar. 12, 1985
Filed:
Jun. 30, 1980
Applicant:
Inventor:
Helmut Holzer, Weinhem, DE;
Assignee:
Firma Carl Freudenberg, Weinheim an der Bergstrasse, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277164 ; 277182 ;
Abstract
In a shaft sealing ring including a stiffening ring having an angular profile, a lip ring with a sealing lip, an intermediate ring in the nature of a diaphragm connecting the lip ring to the stiffening ring and an elastic contact pressure element arranged to press the sealing lip resiliently against the surface of the sealed shaft, the contact pressure element is an extension from the stiffening ring protruding 40 to 80% into the cross section of the intermediate ring.