PROBLEM TO BE SOLVED: To provide a threshing structure of a whole culm charging type combine harvester capable of improving threshing performance and grain recovering efficiency.SOLUTION: There is provided a threshing structure of a whole culm charging type combine harvester comprising a threshing cylinder 16 driven and pivoting on a spindle 15 installed in a reaped grain culm conveying direction to thresh reaped grain culm supplied into a threshing chamber 14, a ceiling plate 24 covering the upper side of the threshing cylinder 16, and a plurality of dust conveying valves 49 for guiding the reaped grain culm to the downstream side of the threshing direction with the rotary drive of the threshing cylinder 16 disposed on the ceiling plate 24, wherein the threshing cylinder 16 comprises a body constituting member 47 for constituting the body and a plurality of threshing teeth 48 outward projected from the body constituting member 47.COPYRIGHT: (C)2013,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
