Chaining-off device for multiple needle chainstitch sewing machi

Details Chaining-off device for multiple needle chainstitch sewing machi Chaining-off device for multiple needle chainstitch sewing machi

1990-05-23

1991-07-02

Schroeder, Werner H.

Sewing

Stitch forming

Chain or double chain

112165, 112260, 112154, D05B 110, D05B 6100

Patent

active

050277286

ABSTRACT:
A device for forming a thread chain on a multiple-needle chainstitch sewing machine having at least two sewing needles, a looper, a needle plate having at least two needle hole slots and a stitch formation tongue disposed between the needle hole slots, and a feed device comprising a feed dog and a presser foot, and a sewing thread brake device disposed beneath the stitch formation tongue beyond the sewing needles in the direction of sewing. The device brakes the sewing threads, and deflects them in such a way that a thread chain is formed.

REFERENCES:
patent: 1134483 (1915-04-01), Osterhout
patent: 2740366 (1956-04-01), Scott
patent: 4175500 (1979-11-01), Radice et al.
patent: 4186676 (1980-02-01), Villa et al.
patent: 4220102 (1980-09-01), Draghiccio et al.
patent: 4430878 (1984-02-01), Dispennett et al.
patent: 4480562 (1984-11-01), Von Hagen et al.
patent: 4690080 (1987-09-01), Mikuni et al.
patent: 4831947 (1989-05-01), Haisch
patent: 4917032 (1990-04-01), Matsumoto
patent: 4969409 (1990-11-01), Nakano

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