Multiple armature permanent magnet motor/actuator for sewing mac

Details Multiple armature permanent magnet motor/actuator for sewing mac Multiple armature permanent magnet motor/actuator for sewing mac

1977-09-12

1979-03-13

Nerbun, Peter

Sewing

Work manipulating

Guides

D05B 302, H02K 104

Patent

active

041436067

ABSTRACT:
This disclosure relates to electric motor/actuators and in particular to an electric motor/actuator for driving a sewing machine and operating sewing machine controls regulating, for instance, the position coordinates of the resulting stitches formed by the sewing machine. The electric motor includes multiple non-magnetic armatures having commutated windings rotatable in a single air gap formed between opposing permanent magnets having their opposed polarized poles facing said armatures and wherein individual ones of said armatures are capable of different output functions free of significant interaction with others of said armatures.

REFERENCES:
patent: 3651355 (1972-03-01), Mason
patent: 3723796 (1973-03-01), Mason
patent: 3872808 (1975-03-01), Wurst
patent: 3984745 (1976-10-01), Minalga

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