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. 05, 2020
Filed:
Jun. 18, 2015
Nok Corporation, Tokyo, JP;
Kazunari Seki, Kitaibaraki, JP;
NOK CORPORATION, Tokyo, JP;
Abstract
A seal ring and a sealing structure that reduce the deviation of the central axis of the seal ring from the central axis of a shaft thereby preventing the seal ring from abutting against the tip end of a housing in the operation of inserting the shaft in the housing. The seal ring includes a thin partA provided in a range less than 180° with respect to a circumferential direction and a thick partB, which is configured to protrude inward in the radial direction from an inner peripheral surface of the thin partA, the thin partA has an abutment joint part, and the thick partB has, at respective ends of both side surfaces on an inner peripheral surface side thereof, a concave partover an entire range thereof to form a gap between the ends of the both side surfaces and corner parts at both ends of a groove bottom of the annular groove.