Title:
PLASTIC SPRING
Document Type and Number:
WIPO Patent Application WO/2022/052462
Kind Code:
A1
Abstract:
A plastic spring (100), comprising an upper holding part (10), a lower holding part (20), and at least one elastic part (30), the elastic part (30) deformably extending in a bent manner from the upper holding part (10) to the lower holding part (20); during the process of the upper holding part (10) and the lower holding part (20) being driven to move closer to one another, the elastic part (30) is squeezed and elastically deformed, and accumulates elastic potential energy; when the external force acting on the upper holding part (10) and the lower holding part (20) is withdrawn, the elastic part (30) releases the elastic potential energy, and drives the upper holding part (10) and the lower holding part (20) to return to the original position.
Inventors:
TANG KEFENG (CN)
Application Number:
PCT/CN2021/087104
Publication Date:
March 17, 2022
Filing Date:
April 14, 2021
Export Citation:
Assignee:
YUYAO GREENYARD TOOLS CO LTD (CN)
International Classes:
F16F1/366; B05B11/00
Foreign References:
| US20090102106A1 | 2009-04-23 | |||
| JPH1047400A | 1998-02-17 | |||
| CN102858467A | 2013-01-02 | |||
| CN110382122A | 2019-10-25 | |||
| JPH1073138A | 1998-03-17 | |||
| FR2969241B1 | 2014-04-11 |
Attorney, Agent or Firm:
NINGBO RAYMOND IP AGENCY FIRM (CN)
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