Weft mixer for a loom

Details Weft mixer for a loom Weft mixer for a loom

1989-04-14

1990-06-26

Falik, Andrew M.

Textiles: weaving

Weft manipulation

Weaving with stationary weft supply

139439, D03D 4738

Patent

active

049363557

ABSTRACT:
The weft change motion employs a connecting link between a reciprocating mixer lever and a pivotally mounted mixer segment. During normal alternating weft changing, the link moves from one end position through a neutral position and, under the inertia forces moves towards a second end position. The oscillating movement of the link permits the change motion to alternately feed weft yarns. In order to permit picking of the same weft yarn, a locking device is provided to prevent the oscillating link from moving past the neutral position. The locking device also serves to return the link to the same end position so that the same weft yarn can be picked. Various forms of locking devices can be used including an electromagnet, a movably mounted slide block with an appropriately shaped slot and a slide block employing a rotating disk having an appropriately shaped opening to receive a slide pin.

REFERENCES:
patent: 3528459 (1970-09-01), Pfarrwaller
patent: 4556089 (1985-12-01), Juillard
patent: 4667705 (1987-05-01), Nijhuis
patent: 4781226 (1988-11-01), Moeneclaey et al.
patent: 4840203 (1989-06-01), Moeneclaey et al.

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