Yarn tester system
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United States of America Patent
Stats
-
Jul 19, 1983
Grant Date -
N/A
app pub date -
Jan 29, 1982
filing date -
Jan 29, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A yarn tension control for a yarn testing machine includes: a support; a carriage moveable relative to the support; and a tension arm pivotably mounted to the carriage for engaging the yarn. The tension arm is set in a neutral position to apply a predetermined tension to the yarn. Rotation of the arm indicates an incremental change in the yarn tension. Upon such a change in tension the carriage is moved from an initial position to a compensating position to re-establish the predetermined tension. The drive elements then vary the speed of the yarn to produce an offsetting incremental change in the yarn feed rate to restore the tension arm to its neutral position.
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Family
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