Mobility vehicle
US11419774B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 6, 2018 |
| Grant date | Aug 23, 2022 |
| Priority date | — |
| Expiry date | Jul 6, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2200/84
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mobility vehicle may comprise a frame, a first pivot arm, a second pivot arm, and a suspension assembly. The first pivot arm may be coupled to the frame and coupled to a drive wheel. The second pivot arm may be coupled to the frame and coupled to a ground engaging caster wheel. The suspension assembly may be coupled to the frame. The suspension assembly may include a first spring assembly and a second spring assembly. The first spring assembly may be disposed about a first spring axis and coupled to the first pivot arm. The second spring assembly may be disposed about a second spring axis and coupled to the second pivot arm. The first spring axis and the second spring axis may be disposed relative to each other at an angle of no greater than about 150° when the mobility vehicle is operating on horizontal ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.