Method and device for aligning the eyelets of harness elements

Details Method and device for aligning the eyelets of harness elements Method and device for aligning the eyelets of harness elements

D - Textiles, Paper

03

J

D03J 1/14 (2006.01)

Patent

CA 2296295

The invention relates to a method and a device for aligning the eyelets (4) of harness elements (1) in weaving machines, enabling the eyelet position in a harness element to be precisely determined and changed if required. A sensor (11; 30, 31; 40, 41) is provided which traverses the plane of the eyelets (4) and detects the position of the latter. Once the position has been detected, it can be changed by longitudinally displacing the harness element (1). According to a preferred second configuration for the implementation of the invention, an integral element (60) carries out both heald hook centering and thread eyelet detection.

L'invention concerne un procédé et un dispositif pour aligner des oeillets (4) d'éléments de harnais (1) pour des métiers à tisser. Ce procédé et ce dispositif permettent de détecter de façon plus précise la position d'un oeillet dans un élément de harnais et, le cas échéant, de la corriger. A cet effet, il est prévu un détecteur (11; 30, 31; 40, 41) qui traverse le plan de l'oeillet (4) et détecte la position de ce dernier. Ensuite, une correction de la position détectée peut être effectuée par décalage de l'élément de harnais (1) dans sa direction longitudinale. Dans un variante préférée d'un deuxième mode de réalisation de l'invention, un élément intégral (60) assure à la fois le centrage du crochet d'introduction et la détection de la position de l'oeillet.

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