Aerial ladder assembly
US11105151B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Nov 8, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A fire apparatus includes a chassis, axles coupled to the chassis, a turntable rotatably coupled to the chassis, and an aerial ladder assembly pivotably coupled the turntable and including a ladder section. The ladder section includes a first base rail and a second base rail extending longitudinally, a plurality of ladder rungs extending between the first base rail and the second base rail, a top plate positioned above the first base rail, a series of lacing members coupled to the top plate and the first base rail, and a gusset plate coupled to the top plate and at least one of the lacing members. The height of the gusset plate varies along the length such that a first portion has a first height and a second portion has a second height, wherein the first height is greater than the second height. The top plate has a solid cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.