Modular device for weft yarn presentation in shuttleless looms

Details Modular device for weft yarn presentation in shuttleless looms Modular device for weft yarn presentation in shuttleless looms

1998-05-11

2000-02-22

Calvert, John J.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139453, D03D 4700, D03D 4738

Patent

active

060268646

ABSTRACT:
A modular device for weft yarn presentation in a shuttleless loom, operated by linear electric motors which present the yarn by using rods mounted on sliders which rotate to transition the rods from raised standby positions to lowered delivery positions. The linear motors include fixed plates and pivotally mounted sliders, each carrying a rod. The fixed plates are assembled such that the plates angularly diverge from one another from adjacent the pivotal mounting between the sliders and plates and form acute angles therebetween. By using this arrangement, the delivery segment for the yarns is significantly shorter and the angle of presentation of the yarns is substantially narrower.

REFERENCES:
patent: 3605444 (1971-09-01), Lonati
patent: 4132249 (1979-01-01), Bolea Camprubi
patent: 4998420 (1991-03-01), Scavino
patent: 5400834 (1995-03-01), Lewyllie

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