Platform stairs
US9205896B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Aug 19, 2013 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Aug 19, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63B2029/022
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to stairs that are attached under the platform and can be swung out and are distinguished in that the steps remain positionally stable horizontally when the stairs are swung out, and the bottom steps form a cover and optionally a flow body, and once the stairs are swung out, they form means for climbing in and out of the water, a seat element, function as a trim tab and damping means and, when the swinging arms are swung out further, constitute an additional platform, and the swinging ladder consists of ladder elements and can be folded by means of a cam and a bracket, and the stairs and swinging ladder as a stairway can have a handrail which can be swung out manually or automatically.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.