Motion board drive system with self alignment

Details Motion board drive system with self alignment Motion board drive system with self alignment

1987-02-04

1988-09-20

Mancene, Gene

Card, picture, or sign exhibiting

Changing exhibitor

Rotatable carrier for display item

G09F 1102

Patent

active

047715588

ABSTRACT:
A logic control linear drive magnetic motor is used to reciprocate approximately 180.degree. 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. The pulley drum is provided with self-alignment by providing slippage between a plate connected to the vane and the drum proper.

REFERENCES:
patent: 2149551 (1939-03-01), Robert
patent: 2978821 (1961-04-01), Kaufmann, Jr.
patent: 3313165 (1967-04-01), Evans
patent: 4189859 (1980-02-01), Ahlgren

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