Thread control device for stitching machines

Details Thread control device for stitching machines Thread control device for stitching machines

1979-07-25

1981-05-26

Nerbun, Peter P.

Sewing

Elements

Starting or stopping

112254, 112302, D05B 4704, D05B 6936

Patent

active

042691311

ABSTRACT:
Thread control device for stitching machines comprising a mechanism for applying torque to a feed roller around which the needle thread is fed to provide proper thread feed when a small number of threads are used and to provide control of seam variation. The device further has a thread break monitoring device signaling the program control in case of thread breakage to stop the device.

REFERENCES:
patent: 3009433 (1961-11-01), Kuhn
patent: 3687095 (1972-08-01), Jackson
patent: 4018175 (1977-04-01), Forrester et al.
patent: 4166423 (1979-09-01), Brienza et al.

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