Needle holder segment (1) for a chain-operated machine, with a segment body (3),which has a design for intervention in a first detachment (5) of a bar (2) of the chain action machine, the segment body (3) also has a holding section (6), the bending converter (7) is fitted to the bending converters (7) needles, and the segment body (3) is fitted with an angle lever (8) rotating, which can interfere with a second partition (9) of the bar (2) in a closed position.
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