Thread cut with variable thread consumption in a sewing machine
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United States of America Patent
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Jan 6, 2015
Issued Date -
N/A
app pub date -
Sep 29, 2008
filing date -
Nov 9, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A method and a device for cutting at least an upper thread of a sewing machine provided with a fabric clamping member (20), wherein a length of the thread consumed for a cut can be set within a predetermined interval. The method for cutting at least the upper thread (4) of a sewing machine (1) includes the steps: feeding a predetermined length x of said upper thread (4) utilizing a thread feeder (15), pulling out the upper thread (4) said predetermined length utilizing a displacement of said fabric clamping member (20) from a current position to a second position executing by means of a sewing machine processor (C) program sequences stored in a memory (M) for controlling a thread cutter (10) to perform a cut of at least said upper thread (4).
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