Patent ID: 6813910
Filing Date: 2004-11-09
Classification: D04B

Abstract:
A device for varying the length of the stitches on circular hosiery and knitting machines, the device comprising:a rotating cylinder with a cylinder holder, the rotating cylinder being provided with a number of longitudinal grooves; needles housed respectively in said longitudinal grooves and moving vertically; rising and lowering cams positioned on a hood around the cylinder to govern the movement of the needles; a sinker bed placed around the top of the cylinder, turning with the cylinder and holding a number of horizontal sinkers which radially alternate with the vertical needles on the cylinder and which together constitute a formation plane of the stitches on the basis of the rising and lowering of the needles; anchoring means for a rigid anchoring of the cylinder to the cylinder holder; vertical guide means for guiding the sinker bed with respect to the cylinder; and adjusting means for changing the height of the sinker bed to several positions between two, lowered and raised, limit positions, so as to vary the level of the stitch formation plane in relation to the needles on the cylinder.