Actuator for sliding panel signs

Details Actuator for sliding panel signs Actuator for sliding panel signs

1987-09-28

1988-11-15

Swiatek, Robert P.

Card, picture, or sign exhibiting

Changing exhibitor

Inscription cover

40476, 40491, G09F 700

Patent

active

047839236

ABSTRACT:
A sign has slat panels mounted for sliding laterally on one side of a base plate and bars having cam followers mounted on the other side. Each bar has a pin, some of which project through slats in the bars and all of which project through slots in the base plate to terminate in a hole in the panels, respectively for driving the panels laterally in response to sequential lateral shifting of the bars. A first driven gear has axially extending cam pins of increasingly greater lengths to engage successive followers and shift the bars and panels to present a series of pictures. A second commonly driven gear has one cam pin which orbits in the opposite direction for periodically engaging all followers simultaneously and driving said bars back to initial position to start a new display cycle.

REFERENCES:
patent: 1609485 (1926-12-01), Maier
patent: 2117187 (1938-05-01), MacLaren
patent: 2833066 (1958-05-01), Morrissey
patent: 3013352 (1961-12-01), Delfini et al.
patent: 3080668 (1963-03-01), Reali
patent: 3421240 (1969-01-01), Bardi
patent: 3430371 (1969-03-01), Phillips
patent: 4164086 (1979-08-01), Azcarate de Morgan et al.
patent: 4489514 (1984-12-01), Honse

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