Thread winding mechanism for a sewing machine

Details Thread winding mechanism for a sewing machine Thread winding mechanism for a sewing machine

1976-11-10

1978-05-30

Hunter, H. Hampton

Sewing

Elements

Bobbin winding

D05B 5900, B65H 5418

Patent

active

040917550

ABSTRACT:
A thread winding mechanism for a sewing machine head includes a main drive shaft for operating the sewing components and which is rotatably mounted within the head of the machine, a flywheel rotatably mounted on the drive shaft, a clutch for connecting and disconnecting the flywheel from the drive shaft, and a motor for driving the flywheel. A thread winding shaft is formed integrally with and extends axially outward from one end of the flywheel to the exterior of the head and a clutch operating handwheel mounted on and rotatable with the flywheel and which likewise extends outside the head can be shifted axially between an inward position wherein the flywheel is disconnected from the drive shaft and the thread winding shaft is exposed, and an outward position wherein the flywheel is connected to the drive shaft and the thread winding shaft is concealed within the handwheel.

REFERENCES:
patent: 1940435 (1933-12-01), Orvis
patent: 2173286 (1939-09-01), Robert
patent: 2838020 (1958-06-01), Eriksson
patent: 3635412 (1972-01-01), Perlino
patent: 3869030 (1975-03-01), Masaki

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