Ladders with integrated support, ladder components and related methods
US10584532B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2015 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Mar 18, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/48
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ladder is provided having a first assembly and a second assembly slidably coupled with the first assembly. The first assembly includes a first pair of spaced apart rails and a first plurality of rungs extending between and coupled to the first pair of spaced apart rails. the second assembly includes a second pair of spaced apart rails and a second plurality of rungs extending between and coupled to the second pair of spaced apart rails. A support apparatus is coupled with the first assembly and includes one or more arms that are pivotally displaced from a refracted position to a deployed position responsive to displacement of the first assembly a specified distance relative to the second assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.