Title:
HELMET
Document Type and Number:
WIPO Patent Application WO/2021/022667
Kind Code:
A1
Abstract:
A helmet (100), comprising a helmet body (10). A pair of foldable shells (21, 22) is accommodated inside the helmet body (10); symmetrical connecting blocks (211, 221) are symmetrically provided on the outer sides of the pair of foldable shells (21, 22); and the helmet body (10) is provided with folding devices (11) corresponding to the symmetrical connecting blocks (211, 221). Each folding device (11) comprises: a limiting plate (111), the limiting plate (111) being provided with multiple pairs of limiting blocks (1111); an elastic piece (112) used for drawing the symmetrical connecting blocks (211, 221) toward the center of the limiting plate (111), two ends of the elastic piece (112) being respectively connected to two sides of the symmetrical connecting blocks (211, 221), or the elastic pieces (112) being respectively provided on two sides of the symmetrical connecting blocks (211, 221); and a pressing member (113) used for pressing the limiting plate (111) and is disposed corresponding to the center of the limiting plate (111), so that folding can be achieved by pressing one single button, and undesired automatic retracting can be prevented.
Inventors:
LIU DAN (CN)
YU WENGUO (CN)
YU WENGUO (CN)
Application Number:
PCT/CN2019/110448
Publication Date:
February 11, 2021
Filing Date:
October 10, 2019
Export Citation:
Assignee:
SHENZHEN ADVANCED TECH RESEARCH INSTITUTE CO LTD (CN)
International Classes:
A42B3/32
Domestic Patent References:
| WO2018200414A1 | 2018-11-01 |
Foreign References:
| CN101330846A | 2008-12-24 | |||
| CN107427098A | 2017-12-01 | |||
| CN106455734A | 2017-02-22 | |||
| US6442765B1 | 2002-09-03 |
Attorney, Agent or Firm:
LIUJIA CHINA IP LAW OFFICE (CN)
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