Toy film viewer

Details Toy film viewer Toy film viewer

1974-08-28

1976-04-20

Wolff, John H.

Card, picture, or sign exhibiting

Check, label, or tag

Baggage checks

401061, G09F 1126

Patent

active

039508722

ABSTRACT:
A toy film viewer is disclosed. The viewer comprises film wound on an endless spool and a crank driven set of gears which are capable of moving the film past the viewing portion of the viewer. The viewer further comprises a device which abruptly alters the rate of forward movement of the film and thereby gives the characters printed on the film the impression of motion. The altering device comprises a leader for tensioning the film followed by a spring loaded pivot arm having cylinders thereon which engage the film. The rate of forward movement of the film past the viewing portion of the viewer is altered as the spring tension and film tension intermittently pivot the pivot arm and thereby move the engaged film abruptly past the viewing portion.

REFERENCES:
patent: 2520410 (1950-08-01), Jelinek
patent: 3264051 (1966-08-01), Melton

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