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:
Feb. 22, 2005
Filed:
Nov. 30, 2001
Applicants:
Nobuo Kino, Kanagawa, JP;
Noriko Uchiyama, Kanagawa, JP;
Takuro Yamaguchi, Kanagawa, JP;
Keizo Otani, Kanagawa, JP;
Inventors:
Nobuo Kino, Kanagawa, JP;
Noriko Uchiyama, Kanagawa, JP;
Takuro Yamaguchi, Kanagawa, JP;
Keizo Otani, Kanagawa, JP;
Assignee:
Nissan Motor Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C008/22 ; C23C008/32 ;
U.S. Cl.
CPC ...
Abstract
A rolling element for a continuously variable transmission, including a plurality of rolling members having rolling contact portions that come into rolling contact with each other via lubricating oil. At least one of the rolling contact portions includes an outer surface layer having a surface microhardness of not less than Hv 750, a surface residual compressive stress of not less than 1000 MPa and a residual austenite content of not more than 10% by volume.