Device for adjusting length of string

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10874175
APP PUB NO 20190343235A1
SERIAL NO

16470557

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Importance

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Abstract

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Provided is a device having an improved structure that lowers the unit cost and failure rate of a product by reducing the number of components and improves the assemblability, consistency in quality, operational stability, and convenience of future servicing of the product. In the device, a shaft and a shaft coupling part of a winding drum are simply coupled without a separate coupling member as a protruding portion formed on the shaft becomes caught in a catching portion formed on the shaft coupling part.

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Patent Owner(s)

Patent OwnerAddress
SO YOUN SEOHWASEONG-SI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
So, Youn Seo Hwaseong-si, KR 1 19

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