Ladders and ladder bracing
US11788354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2019 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Oct 10, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A ladder with bracing is provided. In one embodiment, the ladder may include a first rail assembly comprising a pair of inner rails and a pair of outer rails, the pair of inner rails being slidably disposed in a upper portion of pair of outer rails, wherein a rear surface of each of the pair of outer rails lies in a common plane. A first plurality of rungs may be coupled between the pair of inner rails, and a second plurality of rungs coupled between the pair of outer rails. A brace may extend between and be coupled to the pair of outer rails, wherein the brace includes a first ramped surface, the first ramped surface having a first portion spaced away from the common plane, a second portion immediately adjacent the common plane, and a transition portion extending between the first portion and the second portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.