A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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 (author)
2015-05-27
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern