Material sensing means for sewing machines

Details Material sensing means for sewing machines Material sensing means for sewing machines

1982-11-01

1984-01-03

Nerbun, Peter P.

Sewing

Elements

Starting or stopping

112235, D05B 6900

Patent

active

044236913

ABSTRACT:
A device for monitoring the passage of workpiece ends through a sewing machine. The device includes a photosensitive receiver connected to one end of a fiber optic cable. The other end of the cable being arranged opposite a reflecting surface and carried by the sewing machine presser foot in a manner preventing the exposed end face thereof from being defiled.

REFERENCES:
patent: 4342273 (1982-08-01), Petzold

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