Thread tension control signal output device for sewing machine

Details Thread tension control signal output device for sewing machine Thread tension control signal output device for sewing machine

1980-08-11

1982-05-11

Nerbun, Peter P.

Sewing

Elements

Thread sensing

B65H 5940

Patent

active

043287573

ABSTRACT:
The invention is to provide an electrical indication of improper thread tension to enable the sewing operation to be exactly accomplished.

REFERENCES:
patent: 4170951 (1979-10-01), Dobrjanskyj
patent: 4196685 (1980-04-01), Tamura

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