Title:
SPRING STRUCTURE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/085103
Kind Code:
A1
Abstract:
A spring structure (20) comprises: a spring body portion (21) having a plurality of coil springs (21a-21c), in which all windings are spaced apart from each winding adjacent thereto, arranged on the same axis; and support portions (22, 23) arranged respectively at both ends of this spring body portion (21) in the axial direction and supporting the end portions of the spring body portion (21) in the axial direction. Further, at least one of the support portions (22, 23) may have a regulating portion (22b, 23b) abutted against the end portion of each of the coil springs (21a-21c) to regulate rotary motion about the axis of at least one of the coil springs (21a-21c). Further, the plurality of coil springs (21a-21c) may be coupled to each other.
Inventors:
KOHARA SHOGO (JP)
Application Number:
PCT/JP2020/039518
Publication Date:
April 28, 2022
Filing Date:
October 21, 2020
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F16F1/02; F16F1/06; F16F1/12
Domestic Patent References:
| WO2014185541A1 | 2014-11-20 |
Foreign References:
| JPH09303453A | 1997-11-25 | |||
| JPH02304228A | 1990-12-18 | |||
| JP2016191453A | 2016-11-10 | |||
| JP2012211702A | 2012-11-01 | |||
| JP2018524533A | 2018-08-30 |
Attorney, Agent or Firm:
SHIMODA, Yo-ichiro et al. (JP)
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