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. 31, 2016
Filed:
Oct. 15, 2014
Applicant:
Daido Kogyo Co., Ltd., Ishikawa Pref., JP;
Inventors:
Masashi Nishikawa, Ishikawa Pref., JP;
Yoshio Okumura, Ishikawa Pref., JP;
Yuma Ohsaka, Ishikawa Pref., JP;
Motoki Tanaka, Ishikawa Pref., JP;
Assignee:
DAIDO KOGYO CO., LTD., Ishikawa Pref., JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16G 13/02 (2006.01); F16G 13/04 (2006.01); F16G 13/06 (2006.01); F16G 13/08 (2006.01); F16G 13/18 (2006.01);
U.S. Cl.
CPC ...
F16G 13/04 (2013.01); F16G 13/02 (2013.01); F16G 13/06 (2013.01); F16G 13/08 (2013.01); F16G 13/18 (2013.01);
Abstract
At least one member composing a chain bearing, such as a pin, includes a surface layer composed of vanadium carbonitride (VCN) coating on a surface of a base material of the at least one member. An oxide (VO) film having a predetermined thickness is also formed on a surface of the surface layer such that the oxide film is interposed between the surface layer and another member, such as a pin hole, composing the chain bearing.