| 摘要 |
In a ladder for cable shafts, the rungs (16) are mounted by means of sleeves (10) in the double-walled rail (14). For this purpose, each sleeve (10) has an outer surface (21) which extends through both rail walls (18, 20) for the purpose of uniformly supporting the forces introduced, and is reliably locked, in particular from outside, by means of snap-in connections between rung (16) and sleeve (10) on the one hand and sleeve (10) and rail (14) on the other hand. At the same time, an outwardly facing sleeve base of the sleeve (10) protects the rung (16) and also the outer rail wall (18). …<IMAGE>… |
