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Patent Searching and Data


Title:
PLATE SPRING MEMBER
Document Type and Number:
WIPO Patent Application WO/2019/189644
Kind Code:
A1
Abstract:
A plate spring member (1, 10) having a compressive residual stress distribution wherein the compressive residual stress of at least some of a portion within a depth of 50 μm from the surface is 500 MPa or greater, and the compressive residual stress of a portion exceeding a depth of 50 µm from the surface is less than 500 MPa.

Inventors:
TERADA Yusuke (3-10, Fukuura, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
Application Number:
JP2019/013768
Publication Date:
October 03, 2019
Filing Date:
March 28, 2019
Export Citation:
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Assignee:
NHK SPRING CO., LTD. (3-10, Fukuura Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
International Classes:
F16F1/32; F16F1/18
Foreign References:
JP2004144132A2004-05-20
JP2008002683A2008-01-10
JP2005054995A2005-03-03
JP2013024284A2013-02-04
JP2000027915A2000-01-25
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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