Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1989-11-02
1991-10-01
Valenza, Joseph E.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
187 9R, 414921, B60P 100
Patent
active
050528793
ABSTRACT:
The invention consists of a wheelchair lift frame, movable platform and transfer system. It is designed to enable the person in a wheelchair to independently enter a vehicle and drive from his/her wheelchair without transferring or leaving the wheelchair platform. In the first position the lift frame is folded inside the driver's door below the arm rest, and the platform, separate from the lift frame, is attached to rails, which are attached to the floor of the vehicle. A movable head rest is attached to the roof of the vehicle as a safety feature. When the lift mechanism is activated the lift frame is lowered and extended to the second position, outside the driver's door on a level with the vehicle floor. The platform moves sideways, by means of a caterpillar chain which catches on teeth on the lift frame, over a eight inch gap onto the lift frame assembly and is cantilevered over the lift frame in the third position. The lift frame and platform are now lowered to ground level to the fourth position. When the lift assembly reaches the ground, the ramp is lowered and the wheelchair is released. The occupant of the wheelchair leaves the lift by backing off the lift, parallel to the vehicle. When the wheelchair is on the lift platform it is anchored there by a bolt action through an attachment on the wheelchair.
REFERENCES:
patent: 2833554 (1958-05-01), Ricordi
patent: 3310342 (1967-03-01), Drelichowski
patent: 3651965 (1972-03-01), Simonelli et al.
patent: 4083429 (1978-04-01), Abbott
patent: 4909700 (1990-03-01), Fontecchio et al.
Dixon Keith L.
Valenza Joseph E.
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