Needle thread feed regulating device for overseaming sewing mach

Details Needle thread feed regulating device for overseaming sewing mach Needle thread feed regulating device for overseaming sewing mach

1989-03-31

1992-02-04

Falik, Andrew M.

Sewing

Elements

Take-ups

112165, D05B 6300

Patent

active

050851594

ABSTRACT:
A needle thread feed regulating device utilized in high speed overedge sewing machines which form safety stitches composed of overedge stitches and double chain stiches. The needle thread feed regulating device comprises a thread guide mounted on the sewing machine frame and an oscillating thread guide which moves in cooperation with the sewing machine main shaft. The oscillating thread guide has a cam plate which regulates the feed of both the thread for overedge stitches and the thread for double chain stitches.

REFERENCES:
patent: 2184929 (1939-12-01), Nunn
patent: 3145672 (1964-08-01), Marforio
patent: 3561385 (1971-02-01), Johnson
patent: 3688711 (1972-09-01), Szostak et al.
patent: 4030431 (1977-06-01), Martin et al.
patent: 4079685 (1978-03-01), Klundt
patent: 4391213 (1983-07-01), Dreier et al.
patent: 4790253 (1988-12-01), Kasuda

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