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 (JP)
YONEOKA ATSUSHI (JP)
YONEOKA ATSUSHI (JP)
Application Number:
PCT/JP2019/006821
Publication Date:
August 29, 2019
Filing Date:
February 22, 2019
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
F16F1/02; F16F1/32
Foreign References:
| JPS6318615U | 1988-02-06 | |||
| JP2005248983A | 2005-09-15 | |||
| JPH07248035A | 1995-09-26 | |||
| JPS5058155U | 1975-05-30 | |||
| US20150362036A1 | 2015-12-17 | |||
| JP2018032465A | 2018-03-01 | |||
| US9091315B2 | 2015-07-28 |
Other References:
See also references of EP 3736463A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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