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:
May. 22, 1984
Filed:
Dec. 15, 1981
Kazuo Tsuge, Yokohama, JP;
Tokico Ltd., Kawasaki, JP;
Abstract
A piston ring working in a cylinder and receiving a higher pressure on one axial side thereof than one the other and having axially overlapping stepped ends, wherein a circumferentially extending resilient lip is provided on one of the stepped ends of the low pressure side, and a circumferentially extending projection is provided on the other of the stepped ends of on the low pressure side and is located radially outwards of the lip to radially overlap therewith at least partially. In use, the lip resiliently deforms to engage with the projection in response to pressure acting on the radially inner surface of the piston ring.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile