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:
Sep. 25, 2007
Filed:
Jan. 12, 2005
Shojiro Miyake, Hamura-shi, Tokyo, JP;
Yoshiteru Yasuda, Yokohama, JP;
Makoto Kano, Yokohama, JP;
Yutaka Mabuchi, Kanagawa, JP;
Shojiro Miyake, Hamura-shi, Tokyo, JP;
Yoshiteru Yasuda, Yokohama, JP;
Makoto Kano, Yokohama, JP;
Yutaka Mabuchi, Kanagawa, JP;
Other;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
A slidably movable member such as an adjusting shim used in a valve operating mechanism of an internal combustion engine of an automotive vehicle. The slidably movable member is used in contact with lubricating oil and comprises a substrate. A hard carbon-based film is coated on a surface of the substrate. The hard carbon-based film has a surface section which contains at least one of nitrogen and oxygen in an amount ranging from 0.5 to 30 at % and/or hydrogen in an amount of not more than 10 at %.