Title:
PLASTIC SPRING AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/051314
Kind Code:
A1
Abstract:
A plastic spring (50") and a use thereof. The plastic spring (50") comprises an upper ring body (51"), a lower ring body (52"), a traction portion (53"), and at least three elastic legs (54"); the elastic legs (54") and the traction portion (53") each extend spirally around the central axis of the plastic spring (50"); one end of each elastic leg (54") extends upwards to the upper ring body (51") and is connected to same, and the other end extends downwards to the lower ring body (52") and is connected to same; one end of the traction portion (53") extends upwards to the elastic legs (54") and is connected to same, and the other end extends downwards to the elastic legs (54") and is connected to same; there are a plurality of connection positions between the traction portion (53") and each elastic leg (54"); and when the plastic spring (50") is compressed and the elastic legs (54") are deformed under compression, a traction section (531") pulls two adjacent elastic legs (54") to prevent the elastic legs (54") from expanding towards the periphery of the plastic spring (50").
More Like This:
| WO/2015/032035 | ELASTIC APPARATUS AND TERMINAL |
| WO/2003/020150 | MEDICAL OR DENTAL HANDPIECE WITH A ROTARY PART MOUNTED ON AN ANTIFRICTION BEARING |
Inventors:
GUI RENDONG (CN)
Application Number:
PCT/CN2023/104295
Publication Date:
March 14, 2024
Filing Date:
June 29, 2023
Export Citation:
Assignee:
ZHEJIANG SUN RAIN IND CO LTD (CN)
International Classes:
F16F1/373; B65D47/34
Foreign References:
| CN213711711U | 2021-07-16 | |||
| CN217898604U | 2022-11-25 | |||
| CN218786208U | 2023-04-04 | |||
| CN213385592U | 2021-06-08 | |||
| CN216128678U | 2022-03-25 | |||
| CN113636206A | 2021-11-12 | |||
| US20210340971A1 | 2021-11-04 |
Attorney, Agent or Firm:
SHANGHAI HUANKE INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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