Device for activating motor-driven shutter blades

Details Device for activating motor-driven shutter blades Device for activating motor-driven shutter blades

1988-11-15

1990-01-09

Gellner, Michael L.

354262, 354265, G03B 908

Patent

active

048931420

ABSTRACT:
A device for activating shutter blades relative to a shutter opening and utilizing a control signal from an electronic circuit includes an electric motor rotatable clockwise and counterclockwise according to a control signal from the electronic circuit, a gear driven by the motor, the gear being located on one side of the shutter opening, fixed pivot axes located on an opposite side of the shutter opening, and a shutter operable device comprising shutter blades pivotable about the fixed pivot axes, the shutter operable device having gear teeth meshing with the gear such that the gear is operable to pivot the shutter blades clockwise and counterclockwise about fixed pivot axes to open and close the shutter opening.

REFERENCES:
patent: 4696560 (1987-09-01), Ogihara et al.
patent: 4782353 (1988-11-01), Ogihara et al.

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