Locking wheelchair lift

Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...

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B60P 144

Patent

active

059444738

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.

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S1000 Series Wheelchair Lift Installation/Service Manual, dated Dec. 2, 1991.

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