Electromagnetic driving device

Details Electromagnetic driving device Electromagnetic driving device

1980-11-19

1982-03-16

Gonzales, John

Electrical generator or motor structure

Dynamoelectric

Rotary

310 37, 335225, 335272, G03B 908

Patent

active

043198236

ABSTRACT:
An electromagnetic driving device for driving shutter blades wherein a field coil used as stator encircles a permanent magnet rotor and extends across the rotational axis thereof. The rotor is arranged to undergo reciprocating rotation through less than one half turn in driving the shutter blades to open and close the shutter. Interference between the field coil and a coaxially arranged output shaft is avoided by the provision of a U-shaped intermediate member extending about the field coil and connecting the output shaft and the rotor.

REFERENCES:
patent: 3744393 (1973-07-01), Uchiyama et al.

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