Spring roller shutter with adjustable function

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12173558
APP PUB NO 20230097525A1
SERIAL NO

17673138

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Abstract

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The present application belongs to the field of spring roller shutters, and particularly relates to a spring roller shutter with adjustable function, which comprises a spring assembly in a drum, an adjusting assembly and a limiting assembly, wherein one end of the drum includes a concentric adjusting cylinder, the adjusting cylinder is connected with an output end of the spring assembly, one end of the adjusting cylinder away from the drum includes a fixed shell, the fixed shell includes a cavity with an opening facing the adjusting cylinder, the one end of the adjusting cylinder slides in the fixed shell, and the adjusting assembly and the limiting assembly are in the fixed shell, thereby achieving the benefit of adjusting the maximum withdrawal height of the curtain.

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Patent Owner(s)

Patent OwnerAddress
HANGZHOU JICHUAN TECHNOLOGY CO LTDRM 311 BLDG 3 NO 487 JIANGHUI RD CHANGHE ST BINJIANG DISTRICT ZHEJIANG HANGZHOU 310052

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Xu, Shengping Hangzhou, CN 3 1

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