Card – picture – or sign exhibiting – Changing exhibitor – With electric circuit control
Patent
1986-08-06
1988-07-26
Mancene, Gene
Card, picture, or sign exhibiting
Changing exhibitor
With electric circuit control
40429, 40473, 40503, G09F 1900
Patent
active
047591404
ABSTRACT:
A logic control linear drive magnetic motor is used to reciprocate approximately 180.degree. the flat panels which make a display board. Each panel of the display board is connected to a pulley which is in a plane perpendicular to the longitudinal dimension of the vane. A continuous drive cord is connected to each end of a shuttle cylinder of the motor and is wrapped around the pulley drum. Movement of the shuttle cylinder moves the drive cord which controls the rotation of the vanes.
REFERENCES:
patent: 1051788 (1913-01-01), Wagner
patent: 1652335 (1927-12-01), Wiley
patent: 2202417 (1940-05-01), Fleming
patent: 3919794 (1975-11-01), Hunter
Roberts William D.
Stopford Graham M.
Contreras Wenceslao J.
Mancene Gene
Moen Edward J.
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