Hand stairway folding structure. (Machine-translation by Google Translate, not legally binding)

摘要

Hand-held folding ladder, characterized by consisting of a U-shaped tubular profile, on whose side branches telescopically disposed, a tubular frame and on this other, and so on with tubular sections of increasing section, ending with another profile tubular arranged in u, but in the opposite direction to the first, being able to be arranged on the central section of the upper u-profile, the elements necessary to carry out its fastening with another ladder of the same characteristics to be constituted with it a stepladder . (Machine-translation by Google Translate, not legally binding)