Crossover or bridge

Details Crossover or bridge Crossover or bridge

1977-10-06

1978-10-10

Byers, Jr., Nile C.

Bridges

Gangway, ramp, or dock leveler

182106, 52182, E01D 100

Patent

active

041188160

ABSTRACT:
A crossover or bridge for shipment as a compact unit for assembly at an installation site comprising a bridge section and a pair of stairways for connection with opposite ends of the bridge section. The bridge section is disposed in an elevated position relative to bottom ends of the stairways when assembled therewith for spanning an object. The bridge section comprises a pair of transversely spaced crossover panels with a grating or decking carried thereon. Readily assembled joint means are provided between the stairways and the bridge section at its opposite ends.

REFERENCES:
patent: 499699 (1893-06-01), Barnes
patent: 853134 (1907-05-01), Steiber
patent: 1232437 (1917-07-01), Simpson
patent: 1497703 (1924-06-01), Stillman
patent: 1593999 (1926-07-01), Bingham
patent: 2726123 (1955-12-01), Mathews
patent: 2867855 (1959-01-01), Xanten
patent: 2927396 (1960-03-01), Hall
patent: 3565210 (1971-02-01), Evans
patent: 4023647 (1977-05-01), Confer

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