Textiles: weaving – Weft manipulation – Weaving with stationary weft supply
Patent
1991-02-01
1993-12-21
Falik, Andrew M.
Textiles: weaving
Weft manipulation
Weaving with stationary weft supply
D03D 4736
Patent
active
052714357
ABSTRACT:
A measuring weft feeder for fluid jet looms which measures the weft yarn lengths being inserted into the loom shed is disclosed. The weft feeder comprises an electric motor for rotating a winding arm, a drum held stationary around which the arm winds up the yarn into even turns, forming a weft yarn reserve whose length is controlled by means of suitable sensors, and a yarn stopping device. The yarn stopping device includes a rod for engaging and stopping the yarn at the outlet of the feeder. The rod is movable between a withdrawn rest position and a projecting yarn stopping position in which its end moves into a cavity formed for such purpose on the drum periphery, close to the free end thereof. The drum cavity has mounted therein a plurality of bristles positioned transversely to the rod of the yarn stopping device, so that the rod may engage the bristles, crossing them at least partially, when assuming its projected position to stop the weft yarn.
REFERENCES:
patent: 4226379 (1980-10-01), Brouwer et al.
patent: 4530381 (1985-07-01), Takegawa
patent: 4744394 (1988-05-01), Lincke
patent: 5016681 (1991-05-01), Ghiardo
Falik Andrew M.
Roj Electrotex S.p.A.
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