Controllable belt tensioner for a yarn delivery device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 28, 2000
Grant Date -
N/A
app pub date -
Jul 30, 1998
filing date -
Aug 1, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A yarn delivery device for a textile machine has at least one yarn delivery roller, and a drive device for a propulsion of the delivery roller, the drive device including a drive belt, a drive roller with a peripheral section alterable in diameter and at least in part in part looped around by the drive belt, and a tensioning unit with a guide member acting on the drive belt, the tensioning unit including a controller for producing at least one larger belt tension for normal operation of the delivery roller and a smaller belt tension for alteration of the diameter of the peripheral section of the drive roller.
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