| 摘要 |
PROBLEM TO BE SOLVED: To solve problems that the conventional grain lifting apparatus and discharging auger can not perform a non-loaded operation when a grain tank is empty, and the cleaning and the removal of clogging grains can not be performed speedily. SOLUTION: The following means are devised to solve the problems: the open-type grain tank 2 is provided with a discharge spiral 4, which is mounted on the bottom 3 using shaft placed along the longitudinal direction; a grain- lifting apparatus 5 is placed on the side of a rotation fulcrum for opening, grains being transferred by the discharging spiral 4 to the grain-lifting apparatus; and the transmission gears for open-type grain tank is constructed so that the driving power for the discharging spiral 4 can be transmitted from the outside of the grain-lifting apparatus 5, and the driving power for the grain- lifting apparatus 5 can be transmitted even when the grain tank 2 is rotated toward outside for opening.
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