Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A ladder moving device utilizes an A-frame ladder with a plurality of wheels disposed under each leg, each of which are in mechanical communication to a hand crank. The hand crank is disposed adjacent the upper end of the ladder. Each wheel has a locking mechanism.
A ladder moving device utilizes an A-frame ladder with a plurality of wheels disposed under each leg, each of which are in mechanical communication to a hand crank. The hand crank is disposed adjacent the upper end of the ladder. Each wheel has a locking mechanism.
Ladder moving mechanism
KUZMIN YAKOV I (Autor:in)
24.01.2023
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern