In-place bobbin winding mechanism for a sewing machine

Details In-place bobbin winding mechanism for a sewing machine In-place bobbin winding mechanism for a sewing machine

1981-05-01

1982-04-27

Hunter, H. Hampton

Sewing

Stitch forming

Revolving-hook type

112279, D05B 5714, D05B 5900

Patent

active

043264743

ABSTRACT:
A bobbin resting on a bobbin case in the vertical axis looptaker of a sewing machine is provided with a slidable plunger which is biased into a position wherein the bobbin is disconnected from the looptaker and can rotate relative thereto. The plunger is depressable to a cam on the plate into a position wherein it is effective to cause the bobbin to be rotated with the looptaker for the winding of thread.

REFERENCES:
patent: 3115855 (1963-12-01), Ketterer
patent: 3138127 (1964-06-01), Ketterer
patent: 3154035 (1964-10-01), Edwards et al.
patent: 3693566 (1972-09-01), Ketterer
patent: 4259914 (1981-04-01), Johnson

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