Weft yarn reserve winding unit with adjustable diameter winding

Details Weft yarn reserve winding unit with adjustable diameter winding Weft yarn reserve winding unit with adjustable diameter winding

1989-10-16

1991-09-10

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

242 4701, D03D 4734

Patent

active

050465376

ABSTRACT:
In a measuring weft feeder for fluid jet looms, comprising a weft yarn reserve winding unit with variable turn length of the weft yarn that length can be adjusted with a single operation. For this purpose, the winding unit comprises a drum of adjustable diameter, formed by associating a fixed eccentric cylinder with a plurality of movable rods, parallel to the axis of the cylinder and surrounding a wide portion of its periphery, the distance of the rods from the cylinder being variable and adjustable for each rod or for groups of rods. For each rod or group of rods, a control arm is provided slidable in a guide of the winding unit positioned perpendicularly to the axis of the unit, the arms being movable simultaneously in the respective guides under the control of a single operating member.

REFERENCES:
patent: 4238080 (1980-12-01), Van Mullekom
patent: 4441531 (1984-04-01), Umezawa et al.
patent: 4498639 (1985-02-01), Deborde et al.
patent: 4643369 (1985-02-01), van Donk
patent: 4850400 (1989-07-01), Gorris

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