Static structures (e.g. – buildings) – With transporting feature
Patent
1990-10-11
1992-10-06
Safavi, Michael
Static structures (e.g., buildings)
With transporting feature
52 6, 52 66, 52 71, 52 795, E04H 310
Patent
active
051521091
ABSTRACT:
A portable performance platform for the performing arts includes a wheel mounted chassis adapted for towing by an automobile or truck. A staging compartment is mounted on the chassis that includes front and rear end walls, opposed sidewalls, an overhead roof, and a compartment floor. Opposed telescoping towers are mounted on the front and rear ends of the chassis to provide right and left upright supports for the overhead roof. The compartment sidewalls are pivotally carried along opposed side margins of the roof, and are outwardly extendible to present an extended canopy in conjunction with the roof when the platform is set up in its performance configuration. A unique actuating assembly raises and lowers the sidewalls in tandem, and tilts the raised canopy to an acoustically desirable orientation. In the performing configuration, the platform aprons of the portable performance platform are pivoted downwardly so as to be flush with the compartment floor. The forward apron is articulated to present an enlarged stage platform in the extended position and includes a unique apron actuating assembly for raising and lowering the platform between performance and stowed configurations.
REFERENCES:
patent: 1521803 (1925-01-01), Dossenbach
patent: 2755517 (1956-07-01), Sickel
patent: 3181203 (1965-05-01), Wenger
patent: 3217366 (1965-11-01), Wenger
patent: 3258884 (1966-07-01), Wenger
patent: 3620564 (1971-11-01), Wenger
patent: 4232488 (1980-11-01), Hanley
patent: 4660332 (1987-04-01), Colvin, Jr.
patent: 4720945 (1988-01-01), Berranger et al.
Safavi Michael
Wenger Corporation
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