Belt drive material feed control apparatus for sewing machines
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United States of America Patent
Stats
-
Mar 21, 1989
Grant Date -
N/A
app pub date -
Apr 8, 1988
filing date -
Apr 8, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For use with a sewing machine an attachment for guiding fabric in which use is made of a belt laterally displaced to the side of the feed dogs which is in contact with the fabric, and thus does not require to be descended thereagainst, and which also is oriented in the direction of sewing, wherein the speed at which the belt urges the fabric through the sewing station is controlled to be either slower or faster than the speed at which the fabric is urged through movement by the feed dogs, so that the relative difference between the speeds shifts the fabric in opposite directions laterally of the direction of sewing to thereby enable the sewing of varying curvatures in the edge of the fabric.
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Family
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Cited Art Landscape
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