Wheelchair lift with mutually perpendicular pivot axes

A - Human Necessities – 61 – G

Patent

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Details

A61G 3/06 (2006.01) B60P 1/44 (2006.01)

Patent

CA 2377750

A wheelchair lift is mounted in a vehicle doorway and provided with at least three distinct modes in which a supporting platform (32) can be moved. The platform (32) is affixed to vertical standards (44, 46) guided by parallelogram linkages (47) between the standards (44, 46) and fixed posts (40) mounted in the vehicle doorway. The platform (32) is pivotable on a horizontal axis at the connection between the platform and the movable standards (44, 46) such that the platform can be raised to a compact vertical orientation. The platform (32) also is attached to the vertical standards (44, 46) on a vertical axis (45) so as to hinge in the manner of a gate to clear the doorway for passage. Heavy journal posts attach the platform (32) to the vertical standard on one lateral side of the lift and on the opposite lateral side a heavy duty clamping latch (72) captures a bar protruding from the platform adjacent to its horizontal hinge axis.

L'invention concerne un élévateur de fauteuils roulants monté sur la porte d'un véhicule et comprenant au moins trois modes distincts en fonction desquels peut être déplacée une plate-forme de support (32). La plate-forme (32) est fixée à des montants verticaux (44, 46) guidés par des éléments de liaison (47) en parallélogramme situés entre les montants (44, 46) et les barres fixes (40) montées sur la porte du véhicule. La plate-forme (32) peut pivoter sur un axe horizontal au niveau de la connexion entre la plate-forme et les montants amovibles (44, 46) de manière que la plate-forme puisse être élevée selon une orientation verticale compacte. La plate-forme (32) est également fixée aux montants verticaux (44, 46) sur un axe vertical (45), de manière à faire charnière à la façon d'une barrière afin de libérer la porte pour le passage. De lourds montants à tourillons servent à relier la plate-forme (32) au montant vertical sur un côté latéral de l'élevateur, et sur le côté latéral opposé, un solide taquet (72) de calage sert à capturer une barre faisant saillie de la plate-forme adjacente à son axe charnière horizontal.

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