Sewing machine thread monitor

Details Sewing machine thread monitor Sewing machine thread monitor

1978-10-02

1980-03-11

Schroeder, Werner H.

Sewing

Elements

Starting or stopping

235 92PD, G06M 302, D05B 6936

Patent

active

041922433

ABSTRACT:
The apparatus counts the number of stitches made by a sewing machine, counts the number of predetermined lengths of thread needed to make those stitches and outputs an alarm signal when the number of stitches per thread length either exceeds a predetermined number or is less than a predetermined number.

REFERENCES:
patent: 3352267 (1967-11-01), Brandrift et al.
patent: 3832960 (1974-09-01), Mayer et al.
patent: 3928752 (1975-12-01), Darwin
patent: 4038617 (1977-07-01), Milom

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