Door opener

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11719032
SERIAL NO

17291780

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Importance

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Abstract

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This invention discloses a door opener, comprising a shell consisting of an upper cover plate (1) and a lower cover plate (2). The key is that a pushing device for pushing the door to rotate is provided in the shell. An end of a driving device, which has one or more springs, can drive, via a rotating member (3), the pushing device to rotate. A locking/releasing device, which cooperates with the driving device, is provided at the other end of the driving device. The structure of this invention is unique. It allows the door to be conveniently opened and will not cause any possible harm to the users.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GUANGDONG JUSEN HARDWARE PRECISION MANUFACTURING CO LTD528322 PLOT 1-1-2 WEST OF GANGKOU ROAD LELIU ZHONGYONG VILLAGE SHUNDE DISTRICT FOSHAN CITY GUANGDONG PROVINCE FOSHAN CITY GUANGDONG PROVINCE 528322

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shanxiong, Li Guangdong, CN 1 2
Zhi, Qi Guangdong, CN 1 2

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