Material or article handling – Self-loading or unloading vehicles – Having elevating load body
Patent
1991-01-31
1992-08-04
Bucci, David A.
Material or article handling
Self-loading or unloading vehicles
Having elevating load body
180904, 180148, 254 10R, 280 4312, 414917, B64F 122
Patent
active
051353466
ABSTRACT:
A maneuverable, wheeled, steerable vehicle is used for transporting helicopters of the type having landing skids. Such helicopters typically have cross bars under the body proper, with downward-curving arms to the skids. The invention includes two mutually parallel booms which extend from the vehicle body parallel and close to the ground. One of the booms is laterally movable toward and away from the other boom, which is fixed to the vehicle frame. In use, the booms are laterally spaced; the vehicle then goes forward to slide the booms under the cross bars of the helicopter body. Lift bars attached to each boom then raise the helicopter up so that the vehicle can transport it. The booms include a gang of small, hydraulically swiveled steering wheels at the ends distal the vehicle. Each lift bar swings upward on double parallel pivot arms at either end of each boom. The pivot axes are horizontal. The arms are of equal length to keep the lift bars horizontal. When the helicopter is lifted off the ground by the lift bars, the two large wheels on the main vehicle body are driven through a differential gear to move the vehicle and the helicopter. Power is hydraulic throughout; a small engine drives the hydraulic pump.
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Bucci David A.
Litman Richard C.
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