Electrically-operated folding stage system

Details Electrically-operated folding stage system Electrically-operated folding stage system

1990-01-16

1991-05-21

Ridgill, Jr., James L.

Static structures (e.g., buildings)

With stadium or auditorium feature

Movable stage

52645, 52 64, 52 69, 52 71, 182223, E04H 328

Patent

active

050164031

ABSTRACT:
Electrically-operated Folding Stage System An electrically-operated folding stage system comprises a pair of first and second stage components connected to each other and each including a platform, plural operating means each having a pair of output shafts and located directly below a borderline between the platforms of the stage components, a first link means with a lower end fixed to one of the output shafts, a second link means with a lower end fixed to the other output shaft, means for pivotally connecting an upper end of the first link means to a bottom of the platform of the first stage component, and means for pivotally connecting an upper end of the second link means to the bottom of the platform of the second stage component. The platforms of the first and second stage components provide a single continuous surface when the first and second stage components are in horizontal positions on a floor. When the operating means are operated, the first link means arcs toward the second stage component to move the first stage component from the horizontal position to a first vertical position while the second link means arcs toward the first stage component to move the second stage component from the horizontal position to a second vertical position which faces the first vertical position.

REFERENCES:
patent: 4872295 (1989-10-01), Fujita
patent: 4939875 (1990-07-01), Fujita

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