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. 19, 2024
Filed:
Aug. 05, 2019
Nok Corporation, Tokyo, JP;
Nobuyuki Eguchi, Kitaibaraki, JP;
NOK CORPORATION, Tokyo, JP;
Abstract
A sealing device includes a metal ringwith a cylindrical sectionand an inward flange sectiondisposed at one end of the cylindrical section. A resin sealhas an outer circumference side fixed to the metal ringand an inner circumference side configured to slidably and closely come into contact with an outer circumference surface of the rotary shaft in a state deformed to curve toward a sealing target region. A flat springincludes a plate-shaped annular metal member and has an outer circumference side fixed to the metal ringand an inner circumference side configured to deform to curve along the resin sealand press the inner circumference side of the resin sealradially inward. A metal slide bearing, is sandwiched between the resin sealand the inward flange sectionand configured to slide on the outer circumference surface of the rotary shaft.