Cloth terminus detecting apparatus for sewing machine having mea

Details Cloth terminus detecting apparatus for sewing machine having mea Cloth terminus detecting apparatus for sewing machine having mea

1988-04-29

1989-04-04

Nerbun, Peter

Sewing

Special machines

Darning

112272, 112315, D05B 1900

Patent

active

048175420

ABSTRACT:
An apparatus for detecting the terminus of cloth being sewn by a sewing machine. A plurality of sensors are disposed on a path along which the cloth is fed and at positions upstream of the needle, and they each consist of a light emitting portion and a light receiving portion paired and disposed in opposition. A detector electrically detects a set cloth feed amount, and a selection circuit operates to electrically select one of the sensors which is positioned at the optimum position with respect to the set cloth feed amount.

REFERENCES:
patent: 4495877 (1985-01-01), Willenbacher
patent: 4565140 (1986-01-01), Martell et al.
patent: 4682554 (1987-07-01), Goto et al.

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