Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A ladder safety lock disclosed herein includes a rod adapted for insertion through a ladder rung and at least one hinged flap attached an end of the rod that is configured for attachment to a free-standing secure structure, such as a portion of a roof or wall.
A ladder safety lock disclosed herein includes a rod adapted for insertion through a ladder rung and at least one hinged flap attached an end of the rod that is configured for attachment to a free-standing secure structure, such as a portion of a roof or wall.
Ladder safety lock system
FORSETH CHRIS F (Autor:in)
19.10.2021
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern
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