Apparatus for selectively detaining and releasing weft yarns...

Details Apparatus for selectively detaining and releasing weft yarns... Apparatus for selectively detaining and releasing weft yarns...

D - Textiles, Paper

03

D

139/24

D03D 47/00 (2006.01) D03D 47/38 (2006.01)

Patent

CA 1042314

Abstract of the Disclosure An apparatus for selectively detaining and re- leasing a plurality of weft yarns of different natures, typically colors, before a weft yarn is drawn off into the shed of warp yarns in a weaving loom, comprising lever actuated weft pinch-off units each having a condition to retain each of the weft yarns and a condition to release the weft yarn, a weft selector mechanism including lever actuating means for moving each of the levers associated with the pinch-off units and cam means for moving the lever actuating means between positions respectively operable on the levers for the individual pinch-off units, and a weft release control mechanism driven in synchronism with other driven members and units of the loom for driving the lever actuating means alternately between positions in which the lever engaged by the actuating means is operative to hold the associated pinch-off unit in the above-mentioned conditions thereof. - 1 -

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