Method for operating a chain stitch sewing machine and chain stitch sewing machine
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United States of America Patent
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Jun 3, 2014
Issued Date -
N/A
app pub date -
Jun 15, 2012
filing date -
Jul 1, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A method for operating a chain stitch sewing machine and a chain stitch sewing machine, the chain stitch sewing machine having a pair of sewing members comprising a needle which pierces a sewing material and a gripper disposed below a sewing material rest, which can be moved along a movement path, where an upper thread is guided with the needle through the sewing material resting on the sewing material rest, which is linked to a lower thread. The lower thread is fed to a retaining element and is held in said element that is moved with regard to its direction of movement and/or speed of movement to the sewing material rest according to a movement path of a pivoting movement of the gripper in particular along a circular-arc-segment-shaped movement path.
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