Apparatus and methods for checking the presence of yarns on a textile machine
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United States of America Patent
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Jun 13, 1995
Grant Date -
N/A
app pub date -
Jun 16, 1993
filing date -
Jun 17, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The presence of yarns of a tentered yarn layer on a textile machine is checked by traversing a feeler transversely across a row of the threads to deflect the yarns. A pressure sensor of the feeler deflects each deflected yarn and generates a signal in response thereto. An optical sensor of the feeler detects each yarn and generates a second signal in response thereto which is compared to the first signal.
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