Wheelchair
US8727048B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2010 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Nov 15, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/1067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A conveyance such as a wheelchair that includes a seat assembly and a chassis. The chassis comprises a central frame member disposed substantially along the centerline of the wheelchair. The central frame member includes portions for connecting to or supporting one or more front casters, a seat assembly, one or more drive wheel assemblies, an energy source (e.g., one or more batteries), rear anti-tip wheels, and/or at least one footplate. The central frame member is disposed substantially along the centerline of the wheelchair and structurally distributes of the weight of the seat assembly (and optionally the weight of the energy source) to the supporting drive wheels and casters. In this manner, a clean-looking, simple, and lightweight chassis structure is provided for a conveyance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.