IMPROVEMENTS IN OR RELATING TO A DEVICE FOR RETRACTING OR EXTENDING A MOVABLE ACCESS RAMP

摘要

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.