Folding wheelchair with a positioning assembly

A - Human Necessities – 61 – G

Patent

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Details

A61G 5/08 (2006.01) A61G 5/04 (2006.01)

Patent

CA 2368810

A foldable wheelchair includes a pair of side frames each of which have generally horizontal upper and lower members which are connected by generally vertical front and back legs. A pair of cross arms are located between the side frames and each arm has a base portion connected to a lower side frame member. A top portion of each cross arm is connected to an upper side frame member through a positioning link. The side frames are laterally and vertically positioned with respect to each other by a pair of positioning braces each located on a base portion of a different cross brace. Each brace contacts the top portion of the remaining cross brace and thus positions the side frame. The wheelchair has a removable rigid seat to permit access to the cross braces so the wheelchair can be folded.

L'invention concerne une chaise roulante pliable qui comporte une paire de cadres latéraux dotés chacun d'éléments supérieur et inférieur généralement horizontaux qui sont reliés par des branches avant et arrière généralement verticales. Deux traverses disposées entre les cadres latéraux possèdent chacune une base reliée à un élément inférieur des cadres latéraux, et une partie supérieure reliée à un élément supérieur des cadres latéraux par l'intermédiaire d'une tringle de positionnement. Les cadres latéraux sont positionnés latéralement et verticalement l'un par rapport à l'autre au moyen d'une paire de contrefiches de positionnement disposées chacune sur la base d'une traverse différente. Chaque traverse est en contact avec la partie supérieure de l'autre traverse et positionne par conséquent le cadre latéral. Cette chaise roulante possède un siège rigide amovible qui permet d'accéder aux traverses pour la plier.

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