Detecting device of the feeding quantity in a sewing machine

Details Detecting device of the feeding quantity in a sewing machine Detecting device of the feeding quantity in a sewing machine

1989-03-31

1990-07-31

Nerbun, Peter

Sewing

Stitch forming

Feeding work material

112444, D05B 2722, D05B 3512

Patent

active

049442376

ABSTRACT:
A detecting device of the feeding quantity of material in a sewing machine includes a dial rotatably mounted on an arm of the sewing machine, a mechanism operatively connected to the dial for varying the feeding quantity in response to the rotational quantity of the dial, a signal generator converting the rotational quantity into the electric signals, and a display device electrically connected to the signal generator for displaying signals outputted therefrom.

REFERENCES:
patent: 4242974 (1981-01-01), Beckerman
patent: 4261271 (1981-04-01), Makabe et al.
patent: 4644887 (1987-02-01), Pech
patent: 4651663 (1987-03-01), Murakami et al.
patent: 4706584 (1987-11-01), Senda et al.
patent: 4794875 (1989-01-01), Noguchi et al.
patent: 4817542 (1989-04-01), Ando et al.

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