Wheelchair lift

B - Operations – Transporting – 60 – P

Patent

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Details

214/86.1

B60P 1/44 (2006.01) A61G 3/06 (2006.01) B60R 3/02 (2006.01)

Patent

CA 1137929

Wheelchair Lift Abstract A lift device particularly suitable for hoisting handicapped persons with or without wheelchairs into a vehicle. The lift can be installed into the door well of a public transit bus or of a railroad car. It could also be incorporated into a step structure inside a building. The lift platform (72) is made of four hinged, parallel sections (2,3,5) which in the stowed position of the lift fold back to form two steps (A,B). The first parallel section (2) which in the uppermost position of the platform meets the vehicle floor (F), or the upper step landing in a building, rotates along its forward edge to form the back of the upper step (B) in the stowed position. The second section (3) becomes the tread of the upper step (B) while the third section (4) forms the riser between the upper and lower steps. The fourth section (5) which forms the tread of the lower step (A), houses an access ramp along its forward edge and a retractable flap (15) which rotates upward to form an angled stop preventing the wheelchair from rolling back off the platform during motion of the lift. The load-carrying platform is supported by a moving carriage connected to the infrastructure of the lift by a linkage assembly featuring plastic bearing blocks slidingly engaged into vertical channels. In addition to its vertical lifting movement the platform can be tilted downward from its normally horizontal position in order to accommodate slight differences in elevation between the ground and landing surfaces.

352626

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