Picking device for the picking motion of a loom
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United States of America Patent
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-
Jan 23, 1990
Grant Date -
N/A
app pub date -
Oct 18, 1988
filing date -
Oct 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A picking device for the picking motion of a loom uses a pull string for delivering the picking energy to a pivot arm which is capable of being tensioned by way of a cam drive. The pull string can in principle be any elongate structure, e.g. a pull string of steel or a rope of high tenacity aramide fibers. The cam drive includes a toggle lever which is extended by a first cam and urged somewhat beyond its dead center, and which is urged by a second cam back over the dead center to initiate picking. A decelerating string is connected to the pivot arm to decelerate the pivot arm at the end of the pick.
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