APPARATUS FOR MOVING A CARGO FOR DECK OF TRUCK

A cargo conveying apparatus of a cargo truck loading box is provided to easily move cargos located on a loading box by installing a plurality of rolling balls lifted by high pressure of air. A cargo conveying apparatus for a cargo truck loading box includes a lower panel(100), an air tube(200), an elevation panel(300), an upper panel(400), and a pneumatic control unit. The lower panel is fixed to the bottom surface of a loading box of a cargo truck. The air tube is located on the lower panel and expands and contacts upward and downward as air is injected and discharged into and from the air tube. The elevation panel is moved upward and downward. A plurality of support recesses on which a plurality of rolling balls is rotatably positioned is formed in the elevation panel. The upper panel is fixed to the bottom surface together with the lower panel and restricts the rising height of the rolling balls. The pneumatic control unit injects and discharges air of high pressure into and from the air tube.