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Abstract

A flat knitting machine comprises flexible shank needles arranged in the dle channels of the needle bed, and, arranged behind these, jacquard jacks as well as a cam system which is movable over the needle bed and which comprises interengageable needle, jacquard and selection cam units which have fixed and shiftable cam elements. In order to create the possibility of selection for the flexible shank needles with sinkable needle butts, and in which the needle channel cutting is without interruption, i.e. can be produced with constant depth by one cutting pass, the flexible shank needles have an anterior first needle butt always projecting from the needle bed and a posterior second needle butt which sinks into the needle bed under the resilience of its own flexible shank. Behind each flexible shank needle there is provided a displaceable arresting jack having an arresting jack butt as well as a coupling portion at its forward end for coupling to the flexible shank of the flexible shank needle and for simultaneously lifting the second needle butt from the needle bed. Behind the arresting jack there is displaceably mounted a jacquard jack which has a first, operating butt and a second, selection butt. In the needle cam unit, at least in the region of the second needle butt, and symmetrically arranged with respect to the central longitudinal axis of the cam system, there are provided two needle sinkers displaceable in the plane of the cam system and two cam units shiftable into and out of the plane of the cam system for extending the needles in the formation of stitches.

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