Platform leveling apparatus
US12137804B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 5, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Aug 10, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/86
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A platform leveling apparatus with a platform attached to a frame, two and only two linear actuators, and one and only one heim joint. The upper ends of the linear actuators are rotatably attached to the front frame member, and the heim joint is connected to the rear frame member. The lower end of the heim joint is connected to an upper end of a heim joint support, and the lower end of the heim joint support is connected to a rear base support by front and/or rear heim joint braces. The rear base support is oriented parallel to the rear frame member when the heim joint is at a centered position, and the rear base support is positioned below a front edge of the rear frame member. The lower ends of the linear actuators are rotatably connected to a first fixed surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.