Power assist device for a wheelchair

A - Human Necessities – 61 – G

Patent

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Details

A61G 5/04 (2006.01)

Patent

CA 2041161

A power assist device for a wheelchair comprising a body, a drive wheel connected to said body and being movable between a raised position and a lowered surface engaging position, attachments for securing said body to said frame, a first motor for driving said drive wheel at least when said drive wheel is in the lowered surface engaging position, a second motor connected to the drive wheel for raising and lowering said drive wheel, a biaser, for biasing said drive wheel into surface engaging driving contact, a manually initiated electronic controller for controlling said power assist device, and a source of electrical power.

Cette invention concerne un dispositif de motorisation de fauteuil roulant comportant un corps, une roue d'entraînement montée sur ledit corps et mobile entre une position relevée et une position abaissée de contact avec le sol, des fixations servant à assujettir ledit corps au châssis du fauteuil, un premier moteur servant à faire tourner la roue d'entraînement susmentionnée au moins lorsqu'elle est en contact avec le sol, un second moteur servant à relever/abaisser ladite roue d'entraînement, un ressort servant à maintenir cette roue en contact avec le sol lorsqu'elle est abaissée, une commande électronique manuelle servant à régler le fonctionnement desdits moteurs et une source d'alimentation électrique.

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