Thread tensioning device for a sewing machine

Details Thread tensioning device for a sewing machine Thread tensioning device for a sewing machine

1976-07-08

1978-09-05

Nerbun, Peter

Sewing

Elements

Tensioning

D05B 4704, D05B 4702

Patent

active

041111400

ABSTRACT:
A thread tensioning device for a sewing machine including a pair of elongated plate members closely confronted with each other by a spring member, disposed in the path of a thread, for forming a substantially wedge-shaped and extremely narrow gap therebetween which extends along the thread path, whereby the device can impart a thread passing through the narrow gap between the two plate members a certain tension suitable for the sewing without any manual operation, because the resistance acting on the passing thread is automatically determined in response to the size thereof.

REFERENCES:
patent: 257052 (1882-04-01), Neilly
patent: 1026298 (1912-05-01), Blanchard
patent: 2021946 (1935-11-01), Riely
patent: 3347195 (1967-10-01), Gegauf

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