Variable needle travelling arc in a scoop-stitch sewing machine
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United States of America Patent
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-
Oct 19, 1993
Grant Date -
N/A
app pub date -
Oct 8, 1992
filing date -
May 22, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for scoop stitching includes the steps of changing the angle of attack of a curved needle before and after penetration of the needle into a fabric. The needle moves along an arc around an axis. The axis is reduced prior to needle penetration and is increased after penetration to assure good penetration depth in thick fabrics.
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Cited Art Landscape
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