Method of controlling fabric edge position and apparatus thereof
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United States of America Patent
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-
Mar 1, 1994
Grant Date -
N/A
app pub date -
Aug 5, 1992
filing date -
Sep 11, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and an apparatus for controlling the fabric edge position wherein a fabric fed to the needle location of a sewing machine is fed downstream, feeding distances per unit time at two feeding points, which are along a direction almost perpendicular to the fabric feeding direction, are differentiated by detecting the fabric edge position in the vicinity of the needle location, thereby shifting rightward and leftward the fabric edge position in the vicinity of the needle location so as to form a seam at a constant distance from the fabric edge.
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