Buttonhole sewing guiding device of a sewing machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10435830
APP PUB NO 20190055685A1
SERIAL NO

15867869

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A buttonhole sewing guiding device of a sewing machine includes a buttonhole presser foot unit disposed on a presser foot holder of the sewing machine, and a sensing unit disposed on the buttonhole presser foot unit. A presser frame of the foot unit is movable relative to a sliding member between first and second sewing positions set in accordance with an operating distance that corresponds to a size of a button to allow first and second triggering members to initiate a sensing module for controlling operation of a sewing needle.

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Patent Owner(s)

Patent OwnerAddress
ZENG HSING INDUSTRIAL CO LTDNO 78 YONG CHENG RD TAIPING CITY TAICHUNG HSIEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yu, Chia-Hui Taichung, TW 11 18

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