Movable stairs

摘要

Problem to be solved: to provide a movable stairs to prevent backache when carrying.The movable staircase comprises a tread board 11, a kick plate 12, a side plate 13, a back plate 14, and a car 15. The door 15 is attached to the lower portion of the rear of the stairs to provide a clearance between the floor surface and the passenger car 15. In order to facilitate the movement of the stairs with a heavy and stable feel, the carriage 15 is brought into contact with the floor surface only when the stairs are tilted to facilitate the movement.Diagram