Thread control device employing a thread brush, for a sewing machine
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United States of America Patent
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Dec 9, 2008
Grant Date -
Aug 23, 2007
app pub date -
Nov 28, 2006
filing date -
Feb 1, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A sewing machine having a reciprocatory needle and a reciprocatory thread-take-up device to deliver thread to the needle employs a thread control device located between the thread take-up device and the needle to engage and apply light tension to the thread. The thread control device can have an opposed plate and spring wire between which the thread runs and which cooperate to apply spring pressure to the thread. Downstream thereof a thread brush can be employed through which the thread runs. The thread can be further lightly tensioned and laterally positioned by the thread brush. The guide plate or other device can include catcher structure to catch thread escaping the take-up device. The thread control device can help control premature descent of the thread and improperly tensioned stitches.
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