EP 3920862 B1 20221221 - ELECTRICAL ASSISTANCE DEVICE
Title (en)
ELECTRICAL ASSISTANCE DEVICE
Title (de)
ELEKTRISCHE HILFSVORRICHTUNG
Title (fr)
DISPOSITIF D'ASSISTANCE ÉLECTRIQUE
Publication
Application
Priority
- FR 1901231 A 20190207
- FR 2020050218 W 20200207
Abstract (en)
[origin: WO2020161447A1] The present invention relates to an electrical assistance device (1) for a wheelchair (100) having a seat (103) and at least one rear wheel (104, 105) having a tyre (110), the electrical assistance device (1) comprising: - at least one motor (2) having a rotor (22) connected to a toothed pinion (4) that is designed to mesh with a matching toothing of the tyre (110), and - a mobile arm (6) connecting said motor (2) to the wheelchair (100). The mobile arm (6) makes it possible to move said motor (2) between an engaged position in which the pinion (4) is in contact with the matching toothing of said tyre (110), a disengaged position in which the pinion (4) is not in contact with the matching toothing of said tyre (110), and a transport position in which the pinion (4) is remote from the tyre (110) and retracted under the seat (103).
IPC 8 full level
CPC (source: EP US)
A61G 5/02 (2013.01 - EP US); A61G 5/048 (2016.10 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2020161447 A1 20200813; AU 2020217975 A1 20210930; AU 2020217975 B2 20221020; CA 3127270 A1 20200813; CA 3127270 C 20220517; EP 3920862 A1 20211215; EP 3920862 B1 20221221; FR 3092489 A1 20200814; FR 3092489 B1 20230224; US 11413199 B2 20220816; US 2022031537 A1 20220203
DOCDB simple family (application)
FR 2020050218 W 20200207; AU 2020217975 A 20200207; CA 3127270 A 20200207; EP 20706801 A 20200207; FR 1901231 A 20190207; US 202017429129 A 20200207