Ladder systems, agricultural vehicles, and related methods
US11634082B2 · kind B2 · utility
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1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2022 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Apr 25, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B76/00
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A ladder system includes a fixed support, a ladder bracket supported by the fixed support, a ladder coupled to the ladder bracket and configured to rotate with respect to the ladder bracket between a lowered position and a storage position, and an air spring coupling the ladder to the ladder bracket and configured to apply a force to the ladder when the ladder is in the lowered position to keep the ladder in the lowered position. An agricultural vehicle includes a chassis supported by a plurality of wheels, and a ladder system carried by the chassis. Related methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.