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:
Dec. 05, 2017
Filed:
Jul. 04, 2012
Kazuhiko Takashima, Yokohama, JP;
Toshikazu Nanbu, Yokohama, JP;
Kazunori Sakata, Kitakyushu, JP;
Kouji Tagomori, Kitakyushu, JP;
Naoki Sugiyama, Kitakyushu, JP;
Kazuhiko Takashima, Yokohama, JP;
Toshikazu Nanbu, Yokohama, JP;
Kazunori Sakata, Kitakyushu, JP;
Kouji Tagomori, Kitakyushu, JP;
Naoki Sugiyama, Kitakyushu, JP;
NISSAN MOTOR CO., LTD., Yokohama-shi, JP;
FUJIKIKOSAN CORPORATION, Kitakyushu-shi, JP;
Abstract
A high durability roller, a manufacturing method thereof and a power transmission device with the high durability roller are provided. The roller for a power transmission device that comprises a plurality of rollers in contact with each other directly or with lubricant between them, includes: a metal base having a Young's modulus of 220 GPa or less; and a coating that is formed on a surface of the metal base, includes hard particles and a metal component composed of at least either simple metal or alloy, and has a Young's modulus of 250 GPa or more. The power transmission device includes the roller. The method of manufacturing the roller includes: forming the coating on the surface of the metal base by thermal spraying using a thermal spray material that comprises the hard particles and the metal component composed of at least either simple metal or alloy.