B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 11/04 (2006.01)
Patent
CA 2055864
An aerial lift platform apparatus preferably mounted on a mobile vehicle which supports and transports the apparatus. The apparatus base is mounted on the vehicle, a mast of the apparatus is mounted on the base-and houses a basically vertical mast hydraulic cylinder, the mast is also rotatable about the mast vertical axis by a second hydraulic cylinder. Mounted on the mast is a boom whose distal end is connected to a platform adapted to carry a wheelchair of a handicapped person. The boom's distal end is elevated by an extension of the mast hydraulic cylinder which has one end attached to the base and another end to the boom. A levelling link is moveably located internally of the boom and has a proximal end mounted on the mast and a distal end connected to the platform. The platform is connected to the boom and levelling link by a reversible hydraulic motor driven pivoted extension structure and a reversible hydraulic motor driven pivot hinge between the extension structure and the platform. The hydraulic cylinders and reversible hydraulic motors are controlled by solenoid operated valves which are electrically controlled either by a remote or manual control system.
Derksen Howard W.s.
Patterson Roger L.
Derksen Howard W.s.
Patterson Roger L.
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