Automatic thread cutting device for sewing machine provided with horizontal loop taker
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United States of America Patent
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Jun 3, 2008
Grant Date -
Mar 15, 2007
app pub date -
Jun 5, 2006
filing date -
Jun 30, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is an automatic thread cutting device for a sewing machine which is provided with a horizontal loop taker, wherein a thread catching member (4) is operated in response to a thread cutting instruction to reciprocatingly move with a movable blade (5) along a predetermined course, the thread catching member (4) normally catching the upper thread when moving in the return-way of reciprocation to guide the upper thread to a fixed blade (14) which is provided to cut the upper thread in cooperation with the movable blade (5), and wherein a thread regulating means is provided to cut the lower thread (29d) together with the upper thread, the thread regulating means being operated to press down the lower thread (29d) to a position where the lower thread (29d) is caught by the thread catching member (4) in addition to the upper thread when the thread catching member (4) is moving in the return-way of reciprocation.
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