Controllable belt tensioner for a yarn delivery device

Details Controllable belt tensioner for a yarn delivery device Controllable belt tensioner for a yarn delivery device

1998-07-30

2000-11-28

Falik, Andy

Textiles: knitting

Feeding

Positive

474110, 226 74, D04B 1548, F16H 910, F16H 108

Patent

active

061519243

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.

REFERENCES:
patent: 3363815 (1968-01-01), Vostal
patent: 4854922 (1989-08-01), Hertrich et al.
patent: 5002519 (1991-03-01), Oshima et al.

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