Textiles: weaving – Weft manipulation – Weaving with stationary weft supply
Patent
1976-10-01
1978-02-21
Jaudon, Henry S.
Textiles: weaving
Weft manipulation
Weaving with stationary weft supply
139453, D03D 4734
Patent
active
040747298
ABSTRACT:
An apparatus for selectively detaining and releasing 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.
REFERENCES:
patent: 1943012 (1934-01-01), Gabler
patent: 3276482 (1966-10-01), Liebchen
patent: 3299909 (1967-01-01), Golobart
patent: 3820574 (1974-06-01), Mizuno
patent: 3885599 (1975-05-01), Mawdsley et al.
Adams Bruce L.
Burns Robert E.
Jaudon Henry S.
Lobato Emmanuel J.
Nissan Motor Company Limited
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