Access platform system with integrated folding steps
US11421477B2 · kind B2 · utility
2Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2018 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | Apr 30, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C9/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An access platform system for enabling access to and from ground-based structures, vehicles, and mobile equipment. The system has a main frame that is attached to or juxtaposed with one or more of the ground-based structures, vehicles, and mobile equipment; a vertical platform displacement assembly attached to the main frame; and a folding steps assembly. The vertical displacement mechanism has a multi-stage apparatus for influencing the stroke of lift cylinders. In one embodiment, the folding steps assembly has folding and unfolding steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.