Lift assembly

Details Lift assembly Lift assembly

1978-10-05

1981-05-05

Oresky, Lawrence J.

Material or article handling

Self-loading or unloading vehicles

Loading or unloading by other carrier or mover means, and...

414917, 414921, B60P 100

Patent

active

042655862

ABSTRACT:
A lift assembly for use on a vehicle, more particularly to lift wheelchairs into vehicles, is disclosed. The lift assembly comprises a pair of vertically spaced support posts adapted to be mounted on the vehicle just inwardly of a side or rear doorway, a platform adapted to be moved from ground to an intermediate position outside the vehicle is substantially level with the floor of the vehicle, and linkages interconnecting the platform to the posts, each linkage comprises two parallel rigid arms pivotally connected to and slidably mounted at one end along a respective post, two other parallel rigid arms pivotally connected to the first mentioned parallel arms at one end and to the platform at the other end. The first mentioned parallel arms on the platform form parallelograms with the other parallel arms and a respective post so that the linkages and platform may be folded to a stored position inside the vehicle. Means are provided for maintaining the platform level with the ground during movement of the platform from ground to such intermediate position. Means are also provided for moving the platform from ground to such intermediate position.

REFERENCES:
patent: 2527818 (1950-10-01), Ives
patent: 3637097 (1972-01-01), Horowitz
patent: 3968890 (1976-07-01), Robson
patent: 3984014 (1976-10-01), Pohl

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