Card – picture – or sign exhibiting – Changing exhibitor – Motor operated
Patent
1991-04-11
1993-01-19
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Changing exhibitor
Motor operated
472 6, G09F 1102
Patent
active
051797968
ABSTRACT:
A display device for photographs and/or other decorative and ornamental articles includes a first display assembly having a top plate and bottom plate connected together, a second display assembly located internally of the first display assembly and having a second top plate and a second bottom plate connected together, a suspension including an arrangement for rotatably suspending at least one of the display assemblies, and a stationary arrangement for rotating the bottom plate in one direction and rotating the second bottom plate in an opposite direction.
REFERENCES:
patent: 176590 (1876-04-01), Brigham
patent: 515088 (1894-02-01), Mumbrauer
patent: 601499 (1898-03-01), Crondall
patent: 630003 (1899-09-01), Olson et al.
patent: 954207 (1910-04-01), Reynolds et al.
patent: 3231995 (1966-02-01), Anthony
Dorner Kenneth J.
Hope Cassandra
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