| 摘要 |
PROBLEM TO BE SOLVED: To suppress the variation of the growing conditions of crops caused by the difference of the quality of soil containing discharged dust plowed into the soil and to attain stable crop yield by laterally scattering the dust discharged from a shaking shelf and the dust discharged from a dust treating chamber. SOLUTION: A side dust outlet 62 opening sideways and a rear dust outlet 63 opening backward are placed at the rear end of a dust treating chamber 45, the side dust outlet 62 is placed above a shaking shelf 53 built in a sorting chamber 26, a discharge guide plate 73 inclined backward is placed at the rear end of the shaking shelf 53, and a dust guiding member 71 having a bottom dust guide plane 70 inclined backward is placed at the side of a grain storage apparatus 7 deviated to the right or left side of the shaking shelf 53 relative to the rear dust outlet 63. COPYRIGHT: (C)2009,JPO&INPIT
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