Material handling platform for material transport vehicle

A material handling platform for a material transport vehicle comprising:

• a tilt frame;
• a forwardly extending base member having a material handling top surface movable connected to said tilt frame so that said base member may be moved vertically relative to said tilt frame between a position at ground level to positions above ground level;
• guide extending between base member and said tilt frame for supporting said base member for movement vertically relative to said tilt frame;
• first actuating means including a double action hydraulic piston and cylinder connected to said base member and to said tilt frame for moving said base member vertically relative to said tilt frame upon actuation of said first actuating means and to maintain said base member in a fixed position relative to said tilt frame when not actuated;
• pivot means fixed to the front end ogf said vehicle for pivotally receiving said tilt frame for movement of said frame together with said base member about a horizontal position to a preselected angle within a preselected range of movement above and below said horizontal position;
• second actating means including a double action hydraulic piston and cylinder connected to said vehicle and to said tilt frame to pivot said tilt frame to a preselected angular position relative to said vehicle about said pivot means upon actuation of said second actuating means and to maintain said tilt frame in a fixed angular position relative to said vehicle when not actuated;
• a turntable forming more than fifty percent (50%) of the said material handling top surface of said base member;
• said turntable being rotatably supported by said base member for movement with said base member and for rotation relative to said base member;
• third actuating means, including a double action rotary vane hydraulic motor connected to said turntable and to said base member to turn said turntable relative to said base member when actuated and to maintain said turntable in a fixed position relative to said base member when not actuated;
• a source of hydraulic fluid under pressure located on said material transport vehicle;
• and
• hydraulic control lines and valves connecting said hydraulic fluid source with said first actuating means, said second actuating means and said third actuating means whereby said actuating means may be selectively actuated to independently control the vertical position of said base member on said tilt frame, the angular position of said elevated base member relative to the tilt frame, and the rotated position of said turntable on said tilted and elevated base member.