Movable rack for ladder, has movable frame and two progression handles connected by cable, where handles cover two ladder posts and cables strand passes by deflecting pulley situated in lower part of frame

摘要

The rack has a storage platform (11) located on a movable frame (A) that displaces itself along two posts of a ladder (2). Progression is ensured by two progression handles (B) covering the posts and the frame. The frame and handles are connected by a cable (C). The cable is connected to the two handles by two ends of the cable and cables strand passes by a deflecting pulley (14) situated in a lower part of the frame (A).