Changeable exhibitor comprising a video or script tape movable i

Details Changeable exhibitor comprising a video or script tape movable i Changeable exhibitor comprising a video or script tape movable i

1976-11-03

1978-09-05

Pitrelli, John F.

Card, picture, or sign exhibiting

Changing exhibitor

Pendulum operated

40525, G09F 1900

Patent

active

041109260

ABSTRACT:
A changeable exhibitor comprising a video or script tape movable on vertical guide rollers in a closed loop, a weighted roller freely movable along a substantially horizontal roller path within the interior space of said loop, a disc on one side of the roller, and projections on the side of the tape facing the roller path, said disc and projections cooperating to advance the tape in response to movement of the weighted roller in one direction along the roller path.

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