| 摘要 |
There is disclosed a lap-detecting stop motion for thread transporting rolls of draw-winding, drawtwisting or takeup machines for processing endless filaments. Such stop motion comprises a feeler set closely to the roll surface, the feeler in its rest or idle position being arranged substantially in a plane containing the roll axis, wherein the feeler portion nearest to the roll can be deflected in the direction of the roll circumference.
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