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. 27, 2003
Filed:
Jul. 20, 2000
Tsuyoshi Nakamura, Aichi, JP;
Sadayuki Nakamura, Mie, JP;
Toshimitsu Kimura, Nagoya, JP;
Takurou Yamaguchi, Kanagawa, JP;
Keizo Otani, Kanagawa, JP;
Noriko Uchiyama, Kanagawa, JP;
Nobuo Kino, Kanagawa, JP;
Toshikazu Nanbu, Kanagawa, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A high bearing pressure-resistant member used as a rolling element forming part of a toroidal continuously variable transmission for an automotive vehicle. The high bearing pressure-resistant member is formed of a mechanical structural steel containing Cr. The mechanical structural steel includes a matrix having at least one of martensite structure and bainite structure. The matrix contains carbide having a mean particle size of 3 &mgr;m or less, dispersed and precipitated in form of at least one of generally spheres and pseudo-spheres.