Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
BOAT OR RECREATONAL VEHICLE LADDER APPARATUS
A boat or recreational vehicle ladder apparatus is provided. One aspect of the present ladder apparatus includes an elongated extension handle including a slot adjacent a lower end thereof. Another aspect of a boat or recreational vehicle ladder apparatus provides a snap-on step tread which can be mounted to a dual-tubular ladder step structure. Another aspect of a boat or recreational vehicle ladder apparatus employs a laterally expandable ladder step which can be retrofit onto an existing ladder. A further aspect employs clasps or hooks to attach and retain a ladder step to generally vertical ladder rails in a tool-free and fastener-free manner.
BOAT OR RECREATONAL VEHICLE LADDER APPARATUS
A boat or recreational vehicle ladder apparatus is provided. One aspect of the present ladder apparatus includes an elongated extension handle including a slot adjacent a lower end thereof. Another aspect of a boat or recreational vehicle ladder apparatus provides a snap-on step tread which can be mounted to a dual-tubular ladder step structure. Another aspect of a boat or recreational vehicle ladder apparatus employs a laterally expandable ladder step which can be retrofit onto an existing ladder. A further aspect employs clasps or hooks to attach and retain a ladder step to generally vertical ladder rails in a tool-free and fastener-free manner.
BOAT OR RECREATONAL VEHICLE LADDER APPARATUS
ORSCHELN ROBERT J (Autor:in) / TAYAN JEFFREY EARL (Autor:in) / SOUCIE WAYNE LAWRENCE (Autor:in) / CHAMP LARRY BRIAN (Autor:in) / SCHMIDT MICHAEL HERBERT (Autor:in) / ASHTON MICHAEL LEE (Autor:in)
15.02.2018
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern
EXTENSIBLE LADDER AND BOAT COMPRISING SAID EXTENSIBLE LADDER
| Europäisches Patentamt | 2024