Movable loading bridge having an inflatable flexible body

Details Movable loading bridge having an inflatable flexible body Movable loading bridge having an inflatable flexible body

1990-03-06

1991-08-27

Britts, Ramon S.

Bridges

Gangway, ramp, or dock leveler

Attached

E01D 100

Patent

active

050421034

ABSTRACT:
The invention concerns a loading bridge for making a connection between a loading platform and a vehicle, wherein the height of the bridge is variable at the side of the vehicle to allow for vehicles with different heights. A gas-operated driving mechanism is disclosed of which the costs are considerably less than prior art hydraulic driving mechanisms. Further a mechanism is disclosed for automatically controlling the movements of a lid connected with the loading bridge.

REFERENCES:
patent: 2846703 (1958-08-01), Adley
patent: 3763514 (1973-10-01), Bishop
patent: 3835497 (1974-09-01), Smith
patent: 4118817 (1978-10-01), Burnham
patent: 4293969 (1981-10-01), Frommelt
patent: 4455703 (1984-06-01), Fromme et al.
patent: 4630989 (1986-12-01), Davey
patent: 4776052 (1988-10-01), Delgado et al.
patent: 4784567 (1988-11-01), Hageman et al.

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