Static structures (e.g. – buildings) – With stadium or auditorium feature – Movable stage
Patent
1987-03-20
1989-03-21
Friedman, Carl D.
Static structures (e.g., buildings)
With stadium or auditorium feature
Movable stage
52263, 108 64, 108156, E04H 326
Patent
active
048132012
ABSTRACT:
A platform system, in particular for providing staging, which consists of a number of platform units each of which comprises a flat platform having on the underside thereof hollow posts of square cross-section for receiving tubular legs of circular cross-section for supporting the platform. The legs of the respective platform units may be different heights to give a variable height system. Also the legs may be suitably bent to provide a raked platform.
REFERENCES:
patent: 2403338 (1946-07-01), Butler
patent: 3207095 (1965-09-01), Hiatt, Jr.
patent: 3856112 (1974-12-01), Stewart
patent: 3875712 (1975-04-01), Thompson
patent: 4216933 (1980-08-01), Cramer
patent: 4577449 (1986-03-01), Celli
Parsons Philip L.
Richardson Ewart
Friedman Carl D.
P. L. Parsons & Company Ltd.
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