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Patent Searching and Data


Title:
WAVE SPRING
Document Type and Number:
WIPO Patent Application WO/2019/163953
Kind Code:
A1
Abstract:
A wave spring (1A) comprising an annular body (10) wherein crests (11) and valleys (12) are alternately formed in the circumferential direction in a linked manner. At least a portion of the annular body (10) in the circumferential direction is joined. The joined portion of the annular body (10) forms a flat portion (13) extending in a plane orthogonal to the center axis (O) of the annular body (10).

Inventors:
SAKAI Hideaki (3-10, Fukuura, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
YONEOKA Atsushi (3-10, Fukuura, Kanazawa-ku, Yokohama-sh, Kanagawa 04, 〒2360004, JP)
Application Number:
JP2019/006821
Publication Date:
August 29, 2019
Filing Date:
February 22, 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; F16F1/02
Foreign References:
JPS6318615U1988-02-06
JP2005248983A2005-09-15
JPH07248035A1995-09-26
JPS5058155U1975-05-30
US20150362036A12015-12-17
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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