Supporting device for walking on a staircase

摘要

Supporting assembly comprising a staircase (1) with treads (2) having tread nosings and a supporting device with a rail (3) mounted at one of the sides of said staircase, the supporting device comprising a carriage (5) movable along the rail, a carriage drive for moving the carriage along the rail between an upper part of the staircase and a lower part of the staircase, a support bracket (6) mounted on the carriage to support a person (16) walking on the staircase and a control system to control the supporting device. The tread line connects the tread nosings of the staircase and the rail and the carriage are located near the tread line and a substantially vertical bar (7) extends above the carriage and couples the support bracket to the carriage.