Thread drawing-in head with clamp for drawing device

Textiles: manufacturing – Warp preparing or handling – Machine replenishing

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Details

282031, 28204, 28206, D03J 114

Patent

active

050849506

ABSTRACT:
A thread drawing-in head for a drawing device in which at least two heads, each having a warp thread guide passage, are disposed in series such that the passages can align in series, to clamp a heald therebetween in such a manner that a hole of the heald is aligned with the passages. Each thread drawing-in head comprises a first portion having a groove that defines the passage, the groove extending therethrough longitudinally, the first portion being rotatably supported, a second portion that is supported in such a manner as to be movable toward and away from the first portion to close and open the groove and rotatable together with the first portion, a guide groove that is formed at one end of the head that is comprised of the first and second portions, the guide groove being defined by a bottom surface that extends substantially perpendicularly to the groove to engage with a surface of a heald to be clamped and a slanted surface that extends divergently from each end of the bottom surface, and a projection that is formed at the other end of the head, the projection having a top surface that engages with the surface of a heald to be clamped and a slanted surface that extends from each end of the top surface so that the projection fits into the guide groove of another head.

REFERENCES:
patent: 4047270 (1977-09-01), John
patent: 4499638 (1985-02-01), Heinz
patent: 4525906 (1985-07-01), Tovenrath
patent: 4815498 (1989-03-01), Gryson et al.
patent: 4894893 (1990-01-01), Okuda
0298696; 1-1989; European Patent Application; Juro.

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