Electromechanical actuator for a sewing machine

Details Electromechanical actuator for a sewing machine Electromechanical actuator for a sewing machine

1982-01-25

1984-01-31

Nerbun, Peter P.

Sewing

Elements

Driving mechanisms

112158E, 310 36, D05B 6910, D05B 302

Patent

active

044283130

ABSTRACT:
An electromechanical actuator is formed in flat and thickness reduced configuration having a stator, a movable portion to drive or control a needle positioning mechanism and a work feed regulating mechanism or the like in response to electrical signals. Said stator portion includes a pair of parallel spaced yokes to define a single air gap therebetween, and a plate-like permanent magnet secured to an inner wall of at least one of said yokes, the magnet being magnetized so that oppositely directed flux fields are established within the air gap. Said movable portion includes planar armatures disposed in said flux fields to pivotally move with the fulcrums placed at the opposed peripheral portion, and exciting windings each carried by said armatures.

REFERENCES:
patent: 3924146 (1975-12-01), George
patent: 4143606 (1979-03-01), Herr et al.
patent: 4254720 (1981-03-01), Bianchi

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