Automatic chain-stitch sewing machine

Details Automatic chain-stitch sewing machine Automatic chain-stitch sewing machine

1977-12-15

1979-10-02

Nerbun, Peter

Sewing

Special machines

Darning

112201, D05B 2100, D05B 5704

Patent

active

041694228

ABSTRACT:
An automatic chain-stitch sewing machine comprising, a sewing needle, a work holder for retaining a work piece during sewing, and a rotary hook having a hook point for capturing a needle thread loop and drawing the loop through a previous thread loop. The machine has means for spreading the limbs of the previous thread loop, and memory means having a plurality of instructions containing at least directional information designating the direction of movement of the work holder along separate coordinate directions in a plane relative the needle. The machine has means for reading the instructions and for forming electrical signals representing the instructions. The machine also has driving means responsive to the signals for moving the work holder in said plane relative the needle to form a pattern of chain-stitches in the work piece.

REFERENCES:
patent: 3557727 (1971-01-01), Heimann
patent: 3830175 (1974-08-01), Levor
patent: 3965830 (1976-06-01), Dorosz
patent: 3970016 (1976-07-01), Yanikoski

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