Tension disc assembly

Details Tension disc assembly Tension disc assembly

1976-12-27

1978-06-06

Schroeder, Werner H.

Sewing

Elements

Tensioning

D05B 4700

Patent

active

040929396

ABSTRACT:
A tension disc assembly for tension devices, used for controlling thread on sewing machines, which is formed with a relatively large supporting frame into which a hardened tension disc is secured. The supporting frame allows the use of a standard-sized tension disc while serving as a guide for threading single and multi thread tension devices.

REFERENCES:
patent: 44720 (1864-10-01), Gritzner
patent: 2707322 (1955-05-01), Strain et al.
patent: 3366083 (1968-01-01), Ketterer et al.
patent: 3927631 (1975-12-01), Kuhar

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