PROBLEM TO BE SOLVED: To provide a dust discharging device of a combine harvester which can discharge dust from a feeder in a condition that it is easy to avoid tangling of straw bodies and leaves.SOLUTION: The dust discharging device is provided with a dust discharging hood 31 provided outside of a feeder case 20 in a condition to communicate with a dust intake 26 provided on a top plate 24 of the feeder case 20 of the feeder 11. In the dust discharging hood 31, an axial-flow dust intake/discharge rotary fan 32 is provided to be freely rotatable around an axis X parallel to the top plate 24 in a condition that a lower edge 32a of a rotation track is located near the periphery 27a of the dust intake 26.COPYRIGHT: (C)2012,JPO&INPIT【課題】稈身や葉の絡み付きを回避しやすい状態でフィーダから排塵できるコンバインの排塵装置を提供する。【解決手段】フィーダ11のフィーダケース20における天板部24に設けた吸塵口26に連通する状態でフィーダケース20の外側に設けた排塵フード31を備えてある。排塵フード31の内部に、軸流形の吸排塵回転ファン32を、回転軌跡の下端部32aが吸塵口26の周縁27aの近傍に位置する状態で天板部24に平行な軸芯Xまわりに回転自在に設けてある。【選択図】図3
