Locking wheelchair lift

Details Locking wheelchair lift Locking wheelchair lift

1993-08-31

1995-08-29

Bucci, David A.

Material or article handling

Self-loading or unloading vehicles

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

414917, 414921, B60P 144

Patent

active

054454883

ABSTRACT:
A wheelchair lift, as for use with a vehicle, includes a platform for receiving a wheelchair carried as a pivot mechanism including two pairs of cooperating parallelogram structures adopted to be affixed to a vehicle for moving the platform between loading, entry and stowed positions by hydraulic actuation. A bridge plate structure 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 actuates the bridge plate and the parallelogram structures of each pair are interlocked in moving between the stowed and entry positions.

REFERENCES:
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patent: 4474527 (1984-10-01), Risner et al.
patent: 4534450 (1985-08-01), Savaria
patent: 4664584 (1987-05-01), Braun et al.
patent: 4711613 (1987-12-01), Fretwell
patent: 4808056 (1989-02-01), Oshima
patent: 4984955 (1991-01-01), McCullough
patent: 5110252 (1992-05-01), Aoki
patent: 5180275 (1993-01-01), Czech et al.
patent: 5228538 (1993-07-01), Tremblay
patent: 5261779 (1993-11-01), Goodrich

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