Method and apparatus for changing the sewing direction of a multiple needle flat seam stitch machine
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United States of America Patent
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Apr 17, 1990
Grant Date -
N/A
app pub date -
Jan 3, 1989
filing date -
Jul 26, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and an apparatus for changing the sewing direction of a multiple needle flat sewing machine for sewing elbow pads of sports wear, jumpers, etc. and patchworks of various shapes. Needles are stopped at the needle upper dead center position; a throat plate is moved in a direction contrary to the sewing direction; a needle thread or looper thread caught on tongues of the throat plate is released from the tongues; and the sewing direction can be changed at any desired angle in relation to the sewing direction at the start, such as a right angle, an acute angle or an obtuse angle. The present invention also makes it possible to carry out fancy stitching with thick thread by a multiple needle flat sewing machine.
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