Device for retracting or extending a movable access ramp

Details Device for retracting or extending a movable access ramp Device for retracting or extending a movable access ramp

1977-12-20

1979-03-06

Husar, Francis S.

Material or article handling

Marine loading or unloading system

Marine vessel to/from shore

14 713, 244137R, B65G 6758, B63B 2714

Patent

active

041426401

ABSTRACT:
The invention relates to device for retracting and extending a movable, vertically pivoting access ramp comprising at least two successive main sections. At least one intermediate interlinking member is hinged with the main sections of the ramp towards their adjacent ends about a first hinge pin and a second hinge pin, respectively. First operating means are provided for the rotation of one section of the ramp and the intermediate member about the first hinge pin and second operating means are provided for the rotation of the other section of the ramp about the second hinge pin.

REFERENCES:
patent: 3933256 (1976-01-01), Fagerlund

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