Mild Steel Elevator Collapsible Door

The collapsible door can be opened or shut with a small push or pull. This door is used when there is not enough room for movable shutters to open and the door's dimension is too wide. This door is made of lightweight mild steel pieces.Elevators use two different sets of doors: doors on the cars and doors opening into the elevator shaft. The doors on the cars are operated by an electric motor, which is hooked up to the elevator controller. The electric motor turns a wheel, which is attached to a long metal arm.The collapsible door is one which can be opened or closed by slight pull or push. This door is used where the width of the door is large and space is insufficient to provide two-leafed hinged shutters to open. This door is fabricated from thin mild steel sections.