Collapsible manual wheelchair system for improved propulsion and transfers
US10695239B2 · kind B2 · utility
1Cited by
26References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 25, 2018 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Dec 25, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/1054
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A manual wheelchair including a collapsible frame with at least one brace connected to at least one of the frame members. A drive wheel axel extends along a first axis of rotation and engages a drive wheel, the first brace, and a portion of a transmission. A push rim axel extends along a second axis of rotation and engages a push rim wheel, the second brace, and a portion of the transmission, which transmits rotation of the push rim to rotation of the drive wheel. The at least one brace is configured to release the at least one of the frame members to collapse the wheelchair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.