Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses a dual-purpose ladder, relating to the field of daily life. The dual-purpose ladder comprises a long ladder and a short ladder which are hinged through a hinge shaft. The dual-purpose ladder can be used for achieving the purpose that one ladder not only can be used as the inverted V-shaped ladder, but also can be used as a straight ladder.
The invention discloses a dual-purpose ladder, relating to the field of daily life. The dual-purpose ladder comprises a long ladder and a short ladder which are hinged through a hinge shaft. The dual-purpose ladder can be used for achieving the purpose that one ladder not only can be used as the inverted V-shaped ladder, but also can be used as a straight ladder.
Dual-purpose ladder
LUO JIHONG (Autor:in)
27.05.2015
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern