Locking wheelchair lift

A - Human Necessities – 61 – G

Patent

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Details

A61G 3/02 (2006.01) A61G 3/06 (2006.01)

Patent

CA 2168761

A wheelchair lift (L), as for use with a vehicle (V), includes a platform (12) for receiving a wheelchair carried as a pivot mechanism including two pairs of cooperating parallelogram structures (17) adapted to be affixed to a vehicle (V) for moving the platform (12) between loading, entry and stowed positions by hydraulic actuation. A bridge plate structure (34) is actuated by the pivot mechanism to be positioned as a bridge into the vehicle in the entry position, as a roll stop when a wheelchair is being carried and as a latch unit in the stowed position. A cam-cable mechanism (35, 150) actuates the bridge plate (34) and the parallelogram structures (17) of each pair are interlocked in moving between the stowed and entry positions.

Elévateur (L) pour fauteuil roulant, et son utilisation avec un véhicule (V), comprenant une plate-forme (12) qui sert à réceptionner un fauteuil roulant transporté par un mécanisme pivotant. Ce dernier possède deux paires de structures coopérantes en parallélogramme (17) et est conçu pour s'adapter sur un véhicule (V) afin de déplacer la plate-forme (12) et l'amener à des positions de chargement, d'introduction et à l'état replié par entraînement hydraulique. Une structure de pont de liaison (34) est commandée par le mécanisme pivotant et placée comme un pont, dans le véhicule, en position d'introduction, comme un butoir escamotable lors du transport du fauteuil roulant et comme une unité de blocage en position repliée. Un mécanisme à câbles et à cames (35, 150) commande le pont de liaison (34), et les structures en parallélogramme (17) de chaque paire s'enclenchent pour se déplacer entre les positions à l'état replié et d'introduction.

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