Improvements in or relating to knitting machines

D - Textiles – Paper – 04 – B

Patent

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Details

D04B 9/02 (2006.01)

Patent

CA 2314276

An adjustment device for simultaneously adjusting the stitch loop length at each feed of a multi-feed circular knitting machine is disclosed. The knitting cams (12) are all supported by a common seat ring (8) which is able to move vertically relative to the bedplate (1) of the machine, but which cannot rotate relative thereto. To adjust the vertical position of the seat ring (8), an actuating device in the form of a pinion gear (15) is rotated and the rotation is transmitted through a rack gear (14) and rotatable ring (5) to one or more pins (6) which engage in slots (7) in the seat ring (8). Since the seat ring (8) itself cannont rotate, movement of the pins (6) along the slots (7) forces the seat ring (8) to move vertically by cam action.

L'invention porte sur un dispositif de réglage simultané de la longueur de la boucle de la maille à chaque déplacement d'une machine à tricoter circulaire à plusieurs mouvements. Les cames (12) de tricotage sont toutes soutenues par un anneau (8) de support pouvant se déplacer verticalement par rapport au plateau mobile (1) de la machine, mais ne pouvant pas effectuer de rotation par rapport à celui-ci. Pour régler la position verticale de l'anneau (8) de support, un dispositif d'actionnement se présentant sous la forme d'un pignon d'engrenage (15) est mis en rotation, rotation transmise par un engrenage à crémaillère (14) et une bague rotative (5) à une ou plusieurs broches (6) qui s'engagent dans des fentes (7) de l'anneau (8) de support. Du fait que l'anneau (8) de support (8) ne puisse pas tourner sur lui-même, le déplacement des broches (6) le long des fentes (7) oblige l'anneau (8) de support à se déplacer verticalement sous l'action des cames.

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