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. 04, 2025
Filed:
Aug. 26, 2021
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Hayato Kawaguchi, Shizuoka, JP;
Toshiki Masuda, Shizuoka, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/06 (2006.01); F16C 19/52 (2006.01); F16C 33/58 (2006.01); F16C 33/62 (2006.01);
U.S. Cl.
CPC ...
F16C 19/06 (2013.01); F16C 19/52 (2013.01); F16C 33/586 (2013.01); F16C 33/62 (2013.01); F16C 2202/30 (2013.01);
Abstract
A bearing device includes an inner ring and an outer ring. At least one of the radially inner surface of the inner ring and the radially outer surface of the outer ring is covered with a coating layer. The coating layer is a coating layer composite composed of a plurality of layers. Of the plurality of layers, the surface layer is composed of an anti-creep film having lubricity, and at least one layer other than the surface layer is composed of an insulating film having insulating properties.