Photographic superimposition device

Optics: motion pictures – Removable film strip magazine type

Patent

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Details

352 87, 355 76, G03B 1726

Patent

active

039785041

ABSTRACT:
A photographic superimpositon device for maintaining photographic film in superimposed mutual position comprises a film holder having a rectangular frame having a first pair of spaced parallel members and a second pair of spaced parallel members perpendicular to the first pair of members and affixed thereto to form a rectangle. Each member of the first pair of members and one member of the second pair of members has slots formed therein on the inside of the rectangle for accommodating shutters in the frame in spaced parallel relation. A planar opaque partition is provided in the frame between the slots formed therein and shutters therein and is spaced from shutters in the slots. A plurality of pins in the partition extend from both sides thereof perpendicularly thereto for maintaining film in position in the spaces between the partition and shutters in the slots.

REFERENCES:
patent: 280166 (1883-06-01), Flammang
patent: 2998313 (1961-08-01), Maurer
patent: 3463586 (1969-08-01), Carlson

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