Title:
ANTI-SKIDDING PNEUMATIC RETRACTABLE TIRE
Document Type and Number:
WIPO Patent Application WO/2021/121245
Kind Code:
A1
Abstract:
An anti-skidding pneumatic retractable tire, which comprises a hub (1), and an exterior tire (2) and an inner tire (3) that encase the hub (1); and multiple pneumatic retractable anti-skidding stud apparatus are embedded within the the exterior tire (2). The pneumatic retractable anti-skidding stud apparatus each comprise a cylinder (4) that is embedded within the exterior tire (2), and a piston rod that is provided within the cylinder (4) and moves under the action of air pressure; the piston rod comprises a piston (5), and an anti-skidding stud (6) that is integrally formed at one end surface of the piston (5); and an air inlet and air outlet of the cylinder (4) communicate with a high-pressure air source by means of an air duct (9). The pneumatic retractable anti-skidding stud apparatus are provided at a tire part of a wheel, the anti-skidding stud apparatus can be started up when necessary, and the grip of the wheel can be improved by means of the contact between the anti-skidding studs and the ground; when not in use, the anti-skidding stud apparatus do not need to be disassembled and will not affect the normal movement of the wheel, thus usage performance and adaptability are good.
Inventors:
LI MANYUAN (CN)
Application Number:
PCT/CN2020/136705
Publication Date:
June 24, 2021
Filing Date:
December 16, 2020
Export Citation:
Assignee:
JINZHOU FENGCHUILIU MACHINERY TECH CO LTD (CN)
International Classes:
B60C11/16; B60B15/00
Foreign References:
CN110920328A | 2020-03-27 | |||
DE2215843A1 | 1973-10-11 | |||
CN110001283A | 2019-07-12 | |||
FR2045035A5 | 1971-02-26 | |||
DE19717676A1 | 1998-10-29 | |||
DE3733578A1 | 1989-04-13 | |||
US3095918A | 1963-07-02 | |||
CN110341793A | 2019-10-18 |
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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