Ship's loading ramp

Details Ship's loading ramp Ship's loading ramp

1974-04-22

1976-01-20

Machado, Relnaldo P.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

Telescopic erecting means

14 71R, 182 82, B65G 1100

Patent

active

039332560

ABSTRACT:
A ship's loading ramp has two side beams interconnected by travelling tracks with the beams and the tracks being divided in two portions connected by hinges. Wires for operating the ramp are connected to balancing arms and, one such arm is connected to each beam at the hinges. An actuator is fitted to adjust the angular position of the balancing arm with respect to the portions of the pertaining beam during raising and lowering operations.

REFERENCES:
patent: 2617131 (1952-11-01), Harris
patent: 3411169 (1968-11-01), Guerke
patent: 3580404 (1971-05-01), Moser
patent: 3687308 (1972-08-01), Apelstrand
patent: 3747354 (1973-07-01), Macomber
patent: 3846860 (1974-11-01), Kummerman

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