Electronic device for autosetting control in industrial sewing m

Details Electronic device for autosetting control in industrial sewing m Electronic device for autosetting control in industrial sewing m

1988-09-08

1989-09-19

Nerbun, Peter

Sewing

Special machines

Darning

112313, 112235, 112254, D05B 1900, D05B 2704, D05B 2708

Patent

active

048670820

ABSTRACT:
The invention herein described comprises a programmable microprocessor control unit 2 controlling a plurality of actuators 6, 7, 8, 9, 10, respectively associated with the differential feed dog, main feed dog and upper feed dog and/or with the presser foot and the tension group of an industrial sewing machine 5. On the basis of the adjustment parameters keyed-in in said control unit, each actuator individually causes the adjustment of the movements of each feed dog, of the pressure exerted by the presser foot and of the force causing the dish-shaped elements of the tension group to be moved close to each other to retain the threads interposed therebetween.

REFERENCES:
patent: 4108090 (1978-08-01), Landau, Jr. et al.
patent: 4214540 (1980-07-01), Cook
patent: 4301978 (1981-11-01), Herr et al.
patent: 4412498 (1983-11-01), Scholl
patent: 4726309 (1988-02-01), Popp

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