NON-AUTOMOTIVE VEHICLE-USE HEADGEAR FOR NOVEL CORONAVIRUS PREVENTION

WIPO Patent Application WO/2021/195986

A1

A non-automotive vehicle-use headgear for novel coronavirus prevention, comprising a helmet (1), a casing body (2) is fixedly connected to a top part of the helmet (1), a first one way valve (3) and a second one way valve (4) are fixedly connected to inner walls of the casing body (2), the casing body (2) is separated into an A space, B space, and C space by the first one way valve (3) and the second one way valve (4), a through hole is provided on a front side of the casing body (2), and a sleeve (5) is fixedly connected by means of the through hole, a motor (6) is fixedly connected on a front side of the sleeve (5), a rotational shaft (7) is fixedly connected to a posterior end of an output shaft on the motor (6), a surface of the rotational shaft (7) passes through the sleeve (5) and is fixedly connected to an inner wall of a round columnar cam (8). By means of the cooperation and use of the described structures, problems which arise during actual use and which inconvenience a user where, due to an increase in activity level when a person uses a bike or other non-automotive vehicle, breathing rate increases, but a face mask may easily cause breathing difficulty mid-ride, and also a large amount of moisture sticking to the inside of a face mask, are solved.

HU WANNING (CN)
LIU HAOYUAN (CN)
JIANG QIUYING (CN)
ZHENG YUJUN (CN)

PCT/CN2020/082499

October 07, 2021

March 31, 2020

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TANGSHAN HARBIN SHIP TECH CO LTD (CN)

A42B3/04; A42B3/28

CN105919212A	2016-09-07
CN209662885U	2019-11-22
CN111418947A	2020-07-17
US5887281A	1999-03-30
JP2000303245A	2000-10-31
CN110787346A	2020-02-14

IP MARCH (CN)

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