Pattern feed elongation in electronic sewing machine
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United States of America Patent
Stats
-
Jan 6, 1981
Grant Date -
N/A
app pub date -
Mar 10, 1980
filing date -
Mar 10, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An arrangement for obtaining pattern feed elongation in an electronically controlled sewing machine by utilizing a potentiometer for feed length variation, which potentiometer at a certain point switches in a feed multiplication and reduces its effectiveness so as to obtain a uniform change in feed from 0 to the maximum multiplication desired. Two embodiments are disclosed, one of which utilizes a comparator to eliminate a switch.
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Family
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Cited Art Landscape
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