Thread control device for a chainstitch sewing machine

Sewing – Elements – Take-ups

Patent

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Details

112302, D05B 4900

Patent

active

058991565

ABSTRACT:
A thread control device for a chainstitch sewing machine comprises a thread feeder which is moved simultaneously with the stitching needle by the drive means for the stitching needle. The thread feeder is attached in such a manner as to be able to oscillate at a pivot drive which is allocated to a shaft rotatably mounted in the upper arm casing of the sewing machine.

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patent: 4457247 (1984-07-01), von Hagen et al.
patent: 5386791 (1995-02-01), Sato et al.
patent: 5404824 (1995-04-01), Hiraoka et al.
patent: 5447109 (1995-09-01), Karaba et al.

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