Aerial ladder assembly
US10472889B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 19, 2019 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Apr 19, 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 top plate extends at least one of (a) laterally inward of the gusset plate and (b) laterally outward of the gusset plate. The top plate has a solid cross section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.