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. 05, 1978
Filed:
Aug. 01, 1977
Applicant:
Inventor:
Gerald Longfoot, Lymington, GB;
Assignee:
Wellworthy Limited, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F / ; F16J / ;
U.S. Cl.
CPC ...
277148 ; 277149 ; 277193 ; 277198 ; 277216 ; 2772 / ;
Abstract
A sealing ring assembly for a piston has an outwardly springing carrier ring and an inwardly springing sealing ring which is located in an outer peripheral recess in the carrier ring. The gaps in the two rings of the assembly are displaced one from the other.