Needle selection devices
The present invention relates to needle selection devices for knitting machines. It essentially comprises a new selector jack and a carriage for selecting needles.
In one embodiment, the new selector jack includes a butt and a leg, positioned above and below the butt. An axially deformable spring is attached to the butt to raise it up. As the butt comes out of the needle groove, the leg is pressed down to release it.
In another embodiment, the selector jack is fixed to the needle cylinder. It has an upper leg 23a and a lower leg 23b. These legs are pierced by metal strips. They are not a regular part of the cylinder's surface, which improves its accuracy and wear resistance.
There are three possible positions of the needle: an initial position, a tuck position, and a knit position. In the first position, the tip 21 is in contact with a wire 11, while the ends are in a high position.
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