Needle cylinder (1, 1 ') of a circular knitting machine (10, 10'), on the cylinder jacket (3) of which a plurality of needle channels (4) extending in the axial cylinder orientation (A) are provided with knitting needles (5) movable therein and in the for the upper cylinder end (6, 6 ') provided between each pair of adjacent needle channels (4) is provided with a radially oriented groove (7), in each of which at least one insert (8, 8') is provided, which with its from the the respective groove (7) protruding insert surface (81) forms a stitch-forming surface, and the insert (8) is designed in the form of a spring clip, the spring clip one of the upper cylinder end (6, 6 ') on the side of the cylinder jacket (3) or one Side edge (31) of an outer ring channel (30) provided in the upper cylinder end (6 ') overlapping stirrup foot (82, 82') and one of the upper cylinder end (6) on the inside of the cylinder (9) or a side edge of one in the Has upper clamp (6 ') provided inner ring channel overlapping bracket clamp (83) with at least one clamp (91) which grips behind a counterhold (91), characterized in that the bracket clamp (83) is S-shaped.
展开▼