Electromechanical actuator applied to an electronically controll

Details Electromechanical actuator applied to an electronically controll Electromechanical actuator applied to an electronically controll

1979-09-24

1981-03-10

Nerbun, Peter P.

Sewing

Work manipulating

Guides

D05B 302

Patent

active

042547202

ABSTRACT:
Electromechanical actuator applied to an electronically controlled sewing machine comprising a bed, a standard on the bed, an arm overhanging the bed, a head, a vertical pin fixed to the head, a needle bar gate transversely oscillatible around the vertical pin, a ferromagnetic frame formed by four walls each one opposite to another, a magnetic pole having the shape of a part of a circle ring connecting two of the opposite walls of the frame, and a conducting wire coil being slidably arranged on the magnetic pole to make circular oscillating paths when energized.

REFERENCES:
patent: 3976019 (1976-08-01), Allen et al.
patent: 4016441 (1977-04-01), Herr et al.
patent: 4143606 (1979-03-01), Herr et al.

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