Ladder with side-rail or with ''safety loop'' allowing access to the various levels of a scaffold

摘要

It comprises two ladders 15, 16 installed opposite each other perpendicularly to a scaffold, the uprights 15b, 16b of the said ladders being part of this scaffold. The external uprights 15a, 16a of the two ladders are joined by cross pieces 17 assembled by vertical bars 18 which form a protective bar screen 19. The two ladders 15 and 16 may be folded over against the bar screen 19. Scaffold. <IMAGE>