Emergency stepladder public buildings and housing. (Machine-translation by Google Translate, not legally binding)

摘要

Ladder folding emergency for public buildings and housing, wherein consists tramos faced scrolling each of which is secured properly and one of its stiles a balcony or terrace on each floor of the building, while the other stringer and sills giran conveniently close as both at the opening of the ladder when a manually operated device on the terrace or balcony releasing the end free mobile device stringer stringer release for lower flight of stairs; and because the walking beam of each section has a widening or lower base in the area through which seats in the stretch balcony or terrace lower proper positioning achieving flight of stairs. (Machine-translation by Google Translate, not legally binding)