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. 19, 2026
Filed:
May. 16, 2023
Applicant:
Nsk Ltd., Tokyo, JP;
Inventors:
Kentaro Suganuma, Fujisawa, JP;
Hiroki Komata, Fujisawa, JP;
Daisuke Kobayashi, Fujisawa, JP;
Hiroki Shoda, Fujisawa, JP;
Haruna Kodama, Fujisawa, JP;
Assignee:
NSK LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 33/58 (2006.01); F16C 33/64 (2006.01);
U.S. Cl.
CPC ...
F16C 33/64 (2013.01); F16C 33/585 (2013.01); F16C 33/586 (2013.01); F16C 2223/10 (2013.01); F16C 2223/46 (2013.01);
Abstract
A manufacturing method of a rolling bearing ring comprising: a step of obtaining a base member; a step of forming, by laser cladding, a cladded layer made of a metal material having a higher hardness than the base member on one surface of the body member; a step of forming a rolling element guide surface by finishing a surface of the cladded layer; and a step of forming, by laser hardening, a hardened layer over the entire circumference of a surface layer portion of at least a part of the base member that is separated from the cladded layer.