PROBLEM TO BE SOLVED: To provide a threshing structure of a whole-culm charging combine which can improve threshing performance and grain recovery efficiency.SOLUTION: In a threshing structure of a whole-culm charging combine which comprises a threshing cylinder 16 for applying threshing processing to reaped culms which are supplied to a threshing chamber 14 by being rotationally driven with a support shaft 15 laid along a transfer direction of the reaped culms as a pivot, and a ceiling plate 24 which covers an upper end side of the threshing cylinder 16, and in which a plurality of dust-sending valves 49 for guiding the reaped culms toward a lower side in a threshing processing direction accompanied by the rotational drive of the threshing cylinder 16 are arranged at the ceiling plate 24, the threshing cylinder 16 is constituted of a main body constituent member 47 constituting its main body portion, and a plurality of threshing teeth 48 which outwardly protrude from the main body constituent member 47.COPYRIGHT: (C)2015,JPO&INPIT【課題】脱穀性能や穀粒回収効率の向上を図ることができる全稈投入型コンバインの脱穀構造を提供する。【解決手段】刈取穀稈の搬送方向に沿って架設した支軸15を支点にして回転駆動されることで、扱室14に供給された刈取穀稈に対して脱穀処理を施す扱胴16と、その扱胴16の上部側を覆う天板24とを備え、天板24に、扱胴16の回転駆動に伴って刈取穀稈を脱穀処理方向下手側に向けて案内する複数の送塵弁49を装備した全稈投入型コンバインの脱穀構造において、扱胴16を、その本体部分を構成する本体構成部材47と、その本体構成部材47から外方に向けて突出する複数の扱歯48とから構成してある。【選択図】図3
