Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Non-slip ladder base device
A ladder base device having a base platform and a pair of socket-like receptacles for receiving the ends of a pair of ladder rails. The receptacles are pivotally attached to the platform and the platform is reversible with different surfaces for frictional engagement with different types of ground or floor surfaces on each side.
Non-slip ladder base device
A ladder base device having a base platform and a pair of socket-like receptacles for receiving the ends of a pair of ladder rails. The receptacles are pivotally attached to the platform and the platform is reversible with different surfaces for frictional engagement with different types of ground or floor surfaces on each side.
Non-slip ladder base device
MARKLEY MARTIN J (Autor:in) / LOSITO JOSEPH J (Autor:in)
31.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern