Backrest fixation system and an electrically powered wheelchair comprising the same
US9795527B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2015 |
| Grant date | Oct 24, 2017 |
| Priority date | — |
| Expiry date | Feb 26, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/043
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A backrest fixation system (1) for a wheelchair, wherein the backrest fixation system (1) comprises a seat frame member (3) having a groove side (3a) provided with a first groove (5) having first groove retaining surfaces, which seat frame member (3) has a first lateral side (3b) and a second lateral side (3c) parallel to each other and which define lateral sides of the groove side (3a), a first groove insert member (9) arranged in the first groove (5) and retained in the first groove (5) by means of the first groove retaining surfaces, a backrest attachment member (15) having a first backrest attachment member through-opening (15a), a first fastener (17), and a reinforcement member (13) arranged between the backrest attachment member (15) and the groove side (3a) of the seat frame member (3), which reinforcement member (13) has a first leg (13a) and a second leg (13b), wherein the first leg (13a) extends along the first lateral side (3b) of the seat frame member (3) and the second leg (13b) extends along the second lateral side (3c) of the seat frame member (3), wherein the first groove insert member (9) is provided with a first groove insert member through-opening (9a) and the re…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.