Wheelchair frame
US11021014B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 1, 2017 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Oct 23, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B2200/26
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A tube assembly for a wheelchair frame comprises a tubular member having at least a first portion and a second portion angled relative to the first portion, the first portion configured to be in a seating zone of the wheelchair frame. The second portion is configured to be in a bottom front zone of the wheelchair frame, the tubular member defining a surface concavity in its peripheral surface delimited by a peripheral step, the surface concavity located at a junction between the first portion and the second portion of the tubular member. An interface member has a peripheral contour shaped and sized for the interface member to be received in the surface concavity and contoured at least partially by the peripheral step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.