<p>The platform has a hub device staying in connection with a lower scissor bar (20) and an upper scissor bar (30). A running rail (70) includes contact areas (80) that are supported on the upper scissor bar that is flexibly connected with the running rail. The upper scissor bar is guided with the running rail during the longitudinal movement of the platform, and the hub device includes an actuation rod (100) that is co-operated with a lifting mechanism for lifting and vertical force amplification up to a predetermined hub height of the platform.</p>
