Ladder-support device for fitting on a ladder's rear side at a selected height has a working platform and a load-bearing device to lock onto a ladder's spars and steps

摘要

Pointing crosswise to a ladder, a longitudinal side (LS) (3) of a load-bearing device (LBD) (1) adjusted regarding angle of inclination is fitted right and left on the LS with sleeves (4) that slide on the LS pressed out as a tube to serve as a ball-and-socket joint and firmly link to cover plates (2). The LBD fastens with bolts.