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Title:
SUPPORT STRUCTURE OF CRANK SHAFT
Document Type and Number:
Japanese Patent JP2015183735
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a support structure of a crank shaft which prevents peeling of a porous layer of a thrust surface and embedding of the porous layer into a thrust washer surface.SOLUTION: A support structure supports a crank shaft 11 including a journal part 11a and a thrust surface 11b and to which nitriding treatment is performed. In the support structure, the journal part 11a is journaled by a slide bearing 10 and a thrust washer 20 is provided in at least one axial side of the slide bearing 10. Further, a coating film 22 formed by a resin containing a solid lubricant is provided on a surface of the thrust washer 20 which faces the thrust surface 11b. Hardness of the coating film 22 is lower than hardness of the thrust surface 11b.

Inventors:
FUKUDA MITSUTOSHI
Application Number:
JP2014059251A
Publication Date:
October 22, 2015
Filing Date:
March 20, 2014
Export Citation:
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Assignee:
TAIHO KOGYO CO LTD
International Classes:
F16C33/20; F16C9/02; F16C17/02; F16C17/04; F16C33/10
Attorney, Agent or Firm:
Juichiro Yano



 
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