B - Operations – Transporting – 60 – N
Patent
B - Operations, Transporting
60
N
214/85
B60N 3/00 (2006.01) A61G 3/06 (2006.01) B60P 1/44 (2006.01) B60R 3/02 (2006.01)
Patent
CA 1059954
"VEHICLE DOORWAY LIFT" ABSTRACT OF THE DISCLOSURE A lift assembly is provided which can be mechanically con- verted from a stationary step-like configuration to a movable platform configuration, thus allowing both handicapped and non-handicapped passengers to use a single vehicle entrance having the lift assembly operative within it. A pair of lifting columns are provided which are movable along guide members mounted at the entrance of the vehicle. A platform is hing- ably connected at its inner edge to the bases of the lifting columns and comprises a linear assembly of hinged plates. Radius arms, pivotally connected with the outer edge portion of the platform and with the lift- ing columns, suspend the outer end of the platform. Means, such as hy- draulic cylinders, pivotally connected with the outer edge portion of the platform and with the lifting columns, are controlled to extend or contract the assembly of hinged plates between a flat, horizontal configuration level with the floor surface of the vehicle and a step-like configuration within the opening and also act to securely maintain the plates in the desired configuration. Means are provided to raise or lower the lifting columns while the platform is in the flat, horizontal configuration. In this manner the platform may be lowered to the grade to receive a passenger and raised to the level of the vehicle floor.
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