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:
Jan. 13, 1987
Filed:
Jun. 29, 1984
Applicant:
Inventor:
David W Francis, Canfield, OH (US);
Assignee:
Commercial Shearing, Inc., Youngstown, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01C / ; F04C / ;
U.S. Cl.
CPC ...
418132 ; 277D / ; 277180 ; 2771 / ;
Abstract
A hydraulic fluid seal, a pressure plate and gear pump are provided in which two spaced adjacent surfaces are sealed, one surface having a groove opening toward the other surface, a sealing member adapted to fit in said groove and a plastically deformable interference member in the sealing member having a section such that it will plastically deform before the seal surface of the sealing member.