Trailer step assembly
US10647261B1 · kind B1 · utility
0Cited by
12References
20Claims
0Family size
Inventors
Key dates
| Filing date | Dec 4, 2019 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Dec 4, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R3/02
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A trailer, retractable stair assembly, and method of operating same is provided. The trailer includes a frame that defines an interior cavity. A retractable stair assembly is movable between a stowed position in which the retractable stair assembly is positioned within the interior cavity and a deployed position in which the retractable stair assembly extends out of the trailer frame to establish a plurality of steps out of the trailer to an egress surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.