| 摘要 |
PROBLEM TO BE SOLVED: To reduce residue of grains on a sweep floor surface in a grain storage bin in a rice center, etc. SOLUTION: A floor part is formed on a sweep floor 40, a sweep auger 46 to transfer residual grains on this floor surface toward discharge ports 43, 43 properly arranged from the floor surface is provided, one end of this sweep auger 46 is constituted to be supported by a roller 50, this roller 50 is provided to rotationally interlock through an energizing means 49 to energize in a direction to part from a rotating center on the other end side, and a spiral line groove 51 is provided on it outer periphery in a storage drying bin furnished with an agitating screw to agitate inside stored grains while autorotating in a bin main body.
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