Ramp assembly with raised ramp position
US11911321B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2022 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Jul 25, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60P1/431
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A ramp assembly to accommodate a wheel-chaired passenger to enter or exit a motorized vehicle includes a frame, a ramp movable relative to the frame, a drive block configured to move the ramp relative to the frame, a linkage arm having a first end pivotably coupled to the drive block, a linkage panel pivotably coupled to the linkage arm and a rear end of the ramp, and an upper roller pivotably coupled to the linkage panel for rotation about a pivot axis of the linkage panel to facilitate rotation of the ramp relative to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.