GRAIN DISCHARGE APPARATUS OF COMBINE HARVESTER

摘要

PROBLEM TO BE SOLVED: To improve discharge ability of grains for feeding and discharging grains in a grain storage tank by a feed valve internally installed in a feed valve case of a grain feed device provided on the lower side of a grain storage tank. SOLUTION: This grain discharge device of a combine harvester is obtained by installing left and right feed valves 6a and 6b for feeding grains in the longitudinal direction on the left and right both sides of the feed valve case 5 of the grain feed device 4 provided on the lower side of the grain storage tank 10, installing plural counter gears 4d between left and right feed gears 4a and 4b provided in these left and right feed valves 6a and 6b, engaging either one side of left and right feed gears 4a and 4b with a motor gear of a motor for valve and rotating and driving left and right feed valves 6a and 6b to each other in reverse rotation direction.