Wheelchair lift device

Details Wheelchair lift device Wheelchair lift device

1981-06-26

1983-05-03

Rolla, Joseph J.

Material or article handling

Self-loading or unloading vehicles

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

414921, 187 9R, B60P 144

Patent

active

043818994

ABSTRACT:
A wheelchair lift device located in a bus stepwell that includes foldable hinged sections normally positioned through a first linkage to form a step with a riser and in which the first linkage operates during deployment to control forward swinging movement of the sections to form a platform for supporting a wheelchair that can be lowered to ground level by a second linkage.

REFERENCES:
patent: 2456805 (1948-12-01), Wohlforth
patent: 4124097 (1978-11-01), Hawkes et al.
patent: 4124099 (1978-11-01), Dudynskyj
patent: 4219104 (1980-08-01), MacLeod
patent: 4285416 (1981-08-01), Dudynskyj

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