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:
Aug. 23, 2022
Filed:
Nov. 21, 2018
Applicant:
Ntn Corporation, Osaka, JP;
Inventors:
Takahiro Okada, Kuwana, JP;
Takumi Fujita, Kuwana, JP;
Naoya Kamura, Kuwana, JP;
Yoshinori Sugisaki, Kuwana, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 19/36 (2006.01); F16C 33/64 (2006.01); F16C 33/58 (2006.01);
U.S. Cl.
CPC ...
F16C 19/36 (2013.01); F16C 33/58 (2013.01); F16C 33/64 (2013.01);
Abstract
A rolling component has a surface. The rolling component includes a fiber flow. The surface has an Ra of 0.1 μm or less, an Rsk<0, and a compressive residual stress of 700 MPa or more. The surface and the fiber flow form an angle of 15° or more.