Yarn reserve monitoring device in weft feeders for weaving looms

Details Yarn reserve monitoring device in weft feeders for weaving looms Yarn reserve monitoring device in weft feeders for weaving looms

1999-06-10

2000-12-12

Falik, Andy

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

2423648, 66132R, B65H 5122, D03D 4734

Patent

active

061584800

ABSTRACT:
A device for monitoring the yarn reserve in weft feeders for textile looms, comprising an active element which is capable of detecting the presence of the turns of yarn that constitute the yarn reserve wound on the drum of the feeder. The device is associated with an intermediate support of its own which is pivoted to the fixed frame of the feeder and can oscillate about its own pivoting fulcrum in contrast with the action of a contrast spring in order to vary the contact pressure or inclination of the active element on, or with respect to, the drum of the feeder; the oscillation for adjusting the intermediate support of the monitoring device is produced by a downward-acting adjustment screw which acts on said support.

REFERENCES:
patent: 3844504 (1974-10-01), Lawson
patent: 4325540 (1982-04-01), Hintsch
patent: 5590547 (1997-01-01), Conzelmann
patent: 5613528 (1997-03-01), Zenoni et al.

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