EMERGENCY LADDER HAVING FIRST AND SECOND GUIDE PIPES FOR PROTECTING THE REAR OF A USER

摘要

PURPOSE: An emergency ladder is provided to enable the safe escape of a user by protecting the rear of the user using first and second guide pipes.;CONSTITUTION: An emergency ladder comprises first and second guide pipes(100,200), a support shaft(300), wires(400), and a control unit(500). The first guide pipe is hung on a horizontal bar(11) of a balcony handrail(10) and has sliding grooves. The second guide pipe is overlapped with the first guide pipe. A second ladder(210) is arranged on the inner surface of the second guide pipe. The support shaft is rotatably installed on the top end of the first guide pipe and has spools(310) in which the wires are wound. The wires are connected to the spools and one side of the second guide pipe and support the second guide pipe. The control unit controls the winding and unwinding of the wires.;COPYRIGHT KIPO 2012