PURPOSE: To perform the discharge operation of grain from a grain tank quickly and exactly, in a grain carrying vehicle constituted by loadingly constructing a grain tank on the loading platform of a truck. ;CONSTITUTION: A carrying gutter 2 is provided on the bottom part of a grain tank 1 loadingly constructed on the loading platform (t) of a truck T, a screw conveyor 3 carrying grain from the front to the rear is mounted inside the gutter, a box body 4 surrounding the circumference of scraping out wings is mounted on the rear end part position of a screw shaft, and a discharge port 41 is opened on the bottom face. Opening parts (y) straightly receiving grain flowing down on the upper surfaces of grain flowing plates 10 are provide on the right and left sides in the longitudinal direction, a cover 7 of umbrella- like section is provided over the screw conveyor 3, and the flowing out ports (w) are formed between both side edges of the cover 7 and the upper faces of the grain flowing plates 10. A shutter (s) opening/closing the flowing out ports (w) is mounted outside the box body 4.;COPYRIGHT: (C)1996,JPO
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