Title:
TRANSMISSION GEAR
Document Type and Number:
Japanese Patent JP3149104
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance the wear resistance of a cam and a rocker arm, in a gear which comprises the cam and the rocker arm serving as a follower member that makes sliding contact with the cam, by using the cam as a driver.
SOLUTION: Over at least either the surface of sliding contact of a cam 1 with which a follower member 3 makes sliding contact or the surface of sliding contact of the follower member 3 with which the cam 1 makes sliding contact, (a) chromium nitride, (b) a complex surface layer of chromium nitride and titanium nitride, (c) a surface layer of titanium nitride over a bed layer made of chromium nitride and metal chromium, or (d) a surface layer having a hyperfine mixed composition of chromium nitride and metal chromium, is formed with its thickness ranging from 1 to 200μm.
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Inventors:
Kazutoshi Takemura
Masaharu Hasegawa
Katsumi Takiguchi
Masaharu Hasegawa
Katsumi Takiguchi
Application Number:
JP32081596A
Publication Date:
March 26, 2001
Filing Date:
November 15, 1996
Export Citation:
Assignee:
Riken Co., Ltd.
International Classes:
F01L1/04; C23C14/06; C23C14/32; F01L1/14; F01L1/18; F16H53/02; (IPC1-7): F01L1/18; C23C14/06; F01L1/04; F16H53/02
Domestic Patent References:
| JP5757868A | ||||
| JP62188857A | ||||
| JP62283258A | ||||
| JP62120471A | ||||
| JP5877556A | ||||
| JP58144473A | ||||
| JP59126159U | ||||
| JP60157904U |
Attorney, Agent or Firm:
Takuo Murai