<p>The invention relates to devices for displacing goods and wheeled vehicles on different level surfaces, for example on stairs. Said invention makes it easy to fold and dismount a folding access ramp. The inventive folding access ramp comprises parallel guiding skids which are interconnected by means of transversal brace rods and a hinging attachment unit for securing one of the skids to a supporting surface. The brace rods are fastened to the skids with the aid of articulated joints. All the hinging attachments are designed in such a way that the jointed elements are pivotable about a vertical axis.</p>
