Advertisement display device

Details Advertisement display device Advertisement display device

1997-08-04

1998-10-20

Davis, Cassandra H.

Card, picture, or sign exhibiting

Changing exhibitor

Motor operated

40524, G09F 1112

Patent

active

058228993

ABSTRACT:
An advertisement display device which can display a plurality of frames repeatedly one after another and which incurs less manufacturing and initial costs. By activating a motor, a rotary shaft is rotated. The rotary shaft in turn rotates upper and lower driven sprockets, which in turn upper and lower endless chains. An endless sheet stretched between the endless chains are thus rotated together with the chains. The endless sheet is several times longer than a display area defined in an outer case, and has a plurality of continuously arranged display frames each substantially as long as the display area. Each frame carries one kind of advertisement. By rotating the endless sheet, the ads on the respective frames can be repeatedly displayed one after another.

REFERENCES:
patent: 1872607 (1932-08-01), Reed
patent: 2099281 (1937-11-01), Shaw
patent: 2923079 (1960-02-01), Bouchard
patent: 3187451 (1965-06-01), Fontaine
patent: 3824721 (1974-07-01), Burns
patent: 5018289 (1991-05-01), Gelman
patent: 5138781 (1992-08-01), Claver

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