Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
An extendable ladder having a collapsed mode and an extended mode, characterised in that when the ladder is transformed from the collapsed mode to the extended mode, at least one ground stabiliser extends laterally from the ladder to widen the footprint of the ladder.
An extendable ladder having a collapsed mode and an extended mode, characterised in that when the ladder is transformed from the collapsed mode to the extended mode, at least one ground stabiliser extends laterally from the ladder to widen the footprint of the ladder.
Collapsible ladder
WESTON RICHARD (Autor:in)
22.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern