Seat arrangement and electrically powered wheelchair comprising the same
US10258522B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2015 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Jan 4, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/70
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present disclosure relates to a seat arrangement (1) for an electrically powered wheelchair, wherein the seat arrangement comprises (1): a mounting arrangement for mounting the seat arrangement (1) to a chassis of an electrically powered wheelchair, a seat frame (3), a backrest frame (5), a backrest actuator (7), wherein the backrest frame (5) is pivotally coupled to the seat frame (3), forming a first pivot axis (A1), and wherein the backrest frame (5) is pivotally coupled to the backrest actuator (7), forming a translatable second pivot axis (A2), a retaining mechanism (11) arranged to retain the backrest frame (5) in an upright position while the backrest frame (5) is subjected to a forward-tilting force smaller than a threshold value, wherein the retaining mechanism (11) is arranged to allow movement of the backrest frame (5) to a forward-tilted position when the backrest frame (5) is subjected to a forward-tilting force equal to or greater than the threshold value, and a locking mechanism (13) arranged to lock the backrest frame (5) in the forward-tilted position. An electrically powered wheelchair comprising a seat arrangement is also disclosed herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.