Bridges – Truss – Arrangement
Patent
1976-03-26
1976-11-30
Byers, Jr., Nile C.
Bridges
Truss
Arrangement
182222, 52640, E01D 1500
Patent
active
039940365
ABSTRACT:
A platform mountable to extend between a pair of vertically movable stagings to provide a vertically movable elongated staging. The staging platform is composed of a plurality of like configured bridge sections vertically pivotably connected end to end and maintained in horizontal alignment between the spaced stagings and stretched taut beneath the bridge sections to prevent the staging platform from sagging while allowing the platform to bend upwardly. The pivotal connecting means between the bridge sections being spaced laterally at deck level of the platform and thus having substantial capability for flexing in response to longitudinal twisting forces exerted thereon.
REFERENCES:
patent: 1122504 (1914-12-01), Huebner
patent: 1163641 (1915-12-01), Cummings
patent: 1174931 (1916-03-01), Furry
patent: 1360509 (1920-11-01), Eleman
patent: 2629532 (1953-02-01), Tupper
patent: 2732118 (1956-01-01), Reinhardt
patent: 2916102 (1959-12-01), Reinhardt
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