Wheelchair frame and wheelchair with cross-brace
US8490994B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 22, 2008 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Jul 12, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wheelchair frame includes left and right first frame members, each having a first leg for supporting a seat. The first legs are arranged on opposite sides of a central axis of the wheelchair. At least one cross-brace is connected, by the ends, to the first legs of the left and right frame members. The cross-brace has a non-circular cross-section along a section between the ends. The wheelchair frame includes left and right second frame members that are pivotally connected to the left and right first frame members. The second frame members are foldable and may be fixed in a position in that is generally parallel to the first legs of the left and right first frame members. A cross-brace is connected, by the ends, to the left and right second frame members. The cross-brace has a non-circular cross-section along a section between the ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.