Card – picture – or sign exhibiting – Changing exhibitor – Motor operated
Patent
1979-04-11
1980-10-14
Mancene, Gene
Card, picture, or sign exhibiting
Changing exhibitor
Motor operated
G09F 1112
Patent
active
042273277
ABSTRACT:
A display assembly is provided including a base, a d.c. motor mounted completely within the base, a solar cell operatively mounted to the base, and a sign member rotated by the motor. A sleeve is provided on an elongated shaft connected to the sign member, and that sleeve slips over the motor shaft to provide an interference fit, but not a press fit. The sign has sufficient cross-sectional area to provide enough air-resistance so that, in combination with the interference fit between the shafts, the sign will turn at an appropriate speed for easy reading even though the motor shaft is turning much more quickly.
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Educational Catalog: Central Scientific Co., for 1969; p. 114.
Catalog #752; dated 1975; p. 19; Edmund Scientific Co.
Contreras Wenceslao J.
Mancene Gene
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