Thread holding finger for bobbin winding mechanism of a sewing m

Details Thread holding finger for bobbin winding mechanism of a sewing m Thread holding finger for bobbin winding mechanism of a sewing m

1981-05-20

1983-06-28

Reynolds, Wm. Carter

Sewing

Stitch forming

Revolving-hook type

112279, D05B 5900

Patent

active

043899552

ABSTRACT:
A thread engageable finger for guiding needle thread into a thread receiving slot on the bobbin case of a sewing machine, as a seized loop of the thread is moved about the bobbin case by a looptaker, is provided along a thread engaging edge with a predetermined curved contour effective to delay movement of the thread along said edge until the introduction of thread into the bobbin case slot as required for bobbin winding is assured.

REFERENCES:
patent: 3407760 (1968-10-01), Ketterer
patent: 3693565 (1972-09-01), Ketterer
patent: 3693566 (1972-09-01), Ketterer
patent: 4259914 (1981-04-01), Johnson
patent: 4326474 (1982-04-01), Zylbert

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