Drive device for a sewing machine

Details Drive device for a sewing machine Drive device for a sewing machine

1994-07-26

1996-01-02

Ro, Bentsu

Electricity: motive power systems

With particular motor-driven load device

Plural, diverse or diversely controlled load device

1122173, 112220, D05B 6912

Patent

active

054811651

ABSTRACT:
A drive device for a sewing machine comprises a high speed main motor having a power transmitting flywheel, and a low speed auxiliary motor having a power transmitting pulley. The power transmitting flywheel and the power transmitting pulley being mounted through a one-way clutch on the upper shaft of the sewing machine.

REFERENCES:
patent: 3924550 (1975-12-01), Boser et al.
patent: 3967566 (1976-07-01), Spiegel et al.
patent: 4240368 (1980-12-01), Adams
patent: 4259915 (1981-04-01), Szostak
patent: 4274522 (1981-06-01), Min
patent: 4576103 (1986-03-01), Albrecht et al.
patent: 4993995 (1991-02-01), Okazaki

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