Publicity board with rotating prismatic members

Details Publicity board with rotating prismatic members Publicity board with rotating prismatic members

1985-04-12

1987-01-27

Swiatek, Robert P.

Card, picture, or sign exhibiting

Changing exhibitor

Rotatable carrier for display item

40473, G09F 1102

Patent

active

046385800

ABSTRACT:
A publicity board provided with a plurality of rotatable prismatic members ounted side-by-side, each being arranged to carry portions of publicity images on its faces, and further provided with a meter for rotating the prismatic members about their respective longitudinal axes. The motor is coupled to the prismatic members by means of an operating shaft driven by the motor and carrying a plurality of radial rods such that they rotate, to each cooperate with respective appendices extending radially from an end pivot of each prismatic member, for the purpose of transmitting to this latter a rotation through an angle which is double the angle formed at the center by each face of said prismatic member.

REFERENCES:
patent: 1609650 (1926-12-01), Lund
patent: 3304638 (1967-02-01), Grandell et al.
patent: 3726032 (1973-04-01), Atkins
patent: 3921321 (1975-11-01), Weiskopf
patent: 4381616 (1983-05-01), Saxer

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