PROBLEM TO BE SOLVED: To provide a threshing apparatus mounted on a combine, etc., and having a structure to prevent the catch of straws at the end part of a threshing chamber through which the ear tip of culm to be threshed in the threshing chamber is successively passed and prevent the accumulation of straw dust.SOLUTION: An opening H connected to a fourth port 15a is formed under the end of a threshing cylinder 3 rotatably supported in a threshing chamber 5, and the lower part of the drop guide plate 27 and the back-side frame 28 of the threshing chamber 5 positioned close to the opening H have nearly the same position S as the lower part of a partition plate 16 of the side of the treating chamber 6 constituting a fourth funnel 15 when viewed from the longitudinal direction of the threshing apparatus 1.COPYRIGHT: (C)2010,JPO&INPIT【課題】コンバイン等に搭載される脱穀装置において、扱室内で脱穀される穀稈の穂先側が順次通過する扱室終端部における藁の引っ掛かりを防止すると共に、藁屑が溜まり難くい装置構造にする。【解決手段】扱室５に軸支した扱胴３の終端部下方に４番口１５ａに連通する開口部Ｈを形成すると共に、この開口部Ｈ側に臨む落下案内板２７の下部及び扱室５の奥側枠体２８と、４番漏斗１５を構成する処理室６側の仕切り板１６の下部とを、脱穀装置１の前後方向から見て略同一位置Ｓとした。【選択図】図４
