Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A ladder assembly for accommodating a variety of spaces is provided. The ladder assembly comprises a first rail having a top end and a bottom end and a second rail having a top end and a bottom end. The second rail is spaced from the first rail. A plurality of spaced rungs are mounted between the first rail and the second rail with each rung having a first rung portion and a second rung portion. Each first rung portion is slidably receivable within the corresponding second rung portion allowing the first rail and the second rail to be moved in a general direction toward and away from each other and a distance between the first rail and the second rail to be adjusted to accommodate the desired space.
A ladder assembly for accommodating a variety of spaces is provided. The ladder assembly comprises a first rail having a top end and a bottom end and a second rail having a top end and a bottom end. The second rail is spaced from the first rail. A plurality of spaced rungs are mounted between the first rail and the second rail with each rung having a first rung portion and a second rung portion. Each first rung portion is slidably receivable within the corresponding second rung portion allowing the first rail and the second rail to be moved in a general direction toward and away from each other and a distance between the first rail and the second rail to be adjusted to accommodate the desired space.
Expandable Ladder Assembly
MARROW EDWARD (Autor:in)
01.06.2017
Patent
Elektronische Ressource
Englisch
IPC:
E06C
LADDERS
,
Leitern
EXPANDABLE LADDER, EXPANDABLE LADDER MANUFACTURING METHOD, AND UNDERGROUND WORK SUPPORT SYSTEM
| Europäisches Patentamt | 2020