Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
EXTENSION OR STRAIGHT LADDER HAVING A RETRACTABLE PLATFORM
A ladder has a pair of side rails in generally parallel relationship, a plurality of rungs extending between the pair of side rails, and a platform pivotally mounted to the pair of side rails. The platform is movable between a retracted position generally adjacent to said pair of side rails and an extended position extending outwardly of the pair of side rails. A first line has one end affixed to one side of the platform and an opposite end affixed to one of the pair of side rails. In particular, the ladder is an extension ladder having a fly section and a base section. The platform is pivotally mounted to the fly section. The platform moves to the extended position when the fly section slides longitudinally outwardly of the base section or vice versa.
EXTENSION OR STRAIGHT LADDER HAVING A RETRACTABLE PLATFORM
A ladder has a pair of side rails in generally parallel relationship, a plurality of rungs extending between the pair of side rails, and a platform pivotally mounted to the pair of side rails. The platform is movable between a retracted position generally adjacent to said pair of side rails and an extended position extending outwardly of the pair of side rails. A first line has one end affixed to one side of the platform and an opposite end affixed to one of the pair of side rails. In particular, the ladder is an extension ladder having a fly section and a base section. The platform is pivotally mounted to the fly section. The platform moves to the extended position when the fly section slides longitudinally outwardly of the base section or vice versa.
EXTENSION OR STRAIGHT LADDER HAVING A RETRACTABLE PLATFORM
ECHELLE EXTENSIBLE OU DROITE COMPORTANT UNE PLATEFORME RETRACTABLE
VILLEGAS CANTU LEOPOLDO (Autor:in) / MORENO FRANCISCO JAVIER (Autor:in)
23.10.2019
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern
EXTENSION OR STRAIGHT LADDER HAVING A RETRACTABLE PLATFORM
| Europäisches Patentamt | 2019