PROBLEM TO BE SOLVED: To provide a threshing device capable of efficiently transferring objects to be processed to a dust processing chamber.SOLUTION: There is provided the threshing device whose space (L1) in the front-back direction, between an inner partition wall (22) and an intermediate partition wall (23) and forming a communication portion (25), is made to be ≤1/2 of a pitch (P) of a front side screw blade (62) set on the periphery of a dust processing cylinder (61).COPYRIGHT: (C)2013,JPO&INPIT【課題】被処理物を排塵処理室に能率良く搬送することができる脱穀装置を提供する。【解決手段】上記課題は、連通部(25)を形成する中仕切壁(22)と中間仕切壁(23)の前後方向の間隔(L1)を、排塵処理胴(61)の外周に設けた前側スクリュー羽根体(62)のピッチ(P)の1/2以下にすることにより解決される。【選択図】図4
