A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A ladder lifting assembly includes a shuttle for carrying workpieces to elevated positions such as rooftops. The assembly may include a winch, a pulley assembly, and an anchoring system for attachment to an extension ladder to which the ladder lifting assembly is movably connected.
A ladder lifting assembly includes a shuttle for carrying workpieces to elevated positions such as rooftops. The assembly may include a winch, a pulley assembly, and an anchoring system for attachment to an extension ladder to which the ladder lifting assembly is movably connected.
LADDER LIFTING ASSEMBLY
YOUNG LEWIS (author)
2020-04-02
Patent
Electronic Resource
English
IPC:
E06C
LADDERS
,
Leitern