RAMP AND DEVICE FOR ADJUSTING CABLE TWIST ANGLE Russian patent published in 2018 - IPC E04F11/00 A61G5/06 

FIELD: building; meeting the human vital needs.

SUBSTANCE: invention relates to means for moving wheelchairs and baby carriages along stairways. Technical result is achieved by the fact that the ramp contains two guides interconnected by at least two transverse beams, that are pivotally connected to the railings, the ramp additionally contains at least one elastic-damping element in the form of a cable, one end of which is connected to the ramp and the other to the railings or the flight of the stairs, the cable is equipped with the device for adjusting the twist angle thereof, the device for adjusting the twist angle of the cable of the ramp contains two bushings, one of which is rigidly connected with a stand or a flight of stairs and is provided with notches at the front end, inside this sleeve the second sleeve is located with the possibility of rotation, with one side rigidly connected to the cable and provided with at least one protrusion, and other side equipped with a threaded stud with three nuts.

EFFECT: technical result is to create the ability to regulate the force that must be applied to raise and lower the ramp, reduce the impact loads on the flight of stairs and railing rails, ensuring simplicity of design, safety and reliability in operation.

1 cl, 2 dwg