Mechanism to control the movements of weft insertion members in

Textiles: weaving – Weft manipulation – Weaving with stationary weft supply

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Details

74 59, 74 8915, D03D 4700

Patent

active

046242880

ABSTRACT:
In a mechanism to control the movements of the weft carrying grippers in shuttleless weaving looms--of the type wherein a gearwheel controlling the grippers carrying strap is caused to rotate forward and backward by a variable pitch cam screw, passing longitudinally through a slider which moves forward and backward along a forced rectilinear path--the slider carries structure engaging the threading of said screw and adapted to cause the rotation thereof, comprising opposed pairs of oscillating sliding blocks.

REFERENCES:
patent: 4052906 (1977-10-01), Genini
patent: 4535642 (1985-08-01), Ohmura

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