PROBLEM TO BE SOLVED: To easily maintain a threshing cylinder and to improve treatment ability of threshed grain culm by widening a treatment space between a threshing chamber and the threshing cylinder.SOLUTION: In the thresher 10 that includes the threshing cylinder 50 furnished with frame bodies 70, which have a front and a rear side frames 52 and 53 arranged opposingly to a rotary shaft 51 rotatably supported on the threshing chamber and a plurality of crosspiece members 54 that are extended in the axial direction to connect spaces between the side frames 52 and 53 and arranged in prescribed intervals in the circumferential direction of the side frames 52 and 53 and in which threshing teeth 60 are attached to the crosspiece members 54, the thresher includes plate-like shielding plates 61 to cover at least a part between the crosspiece members 54 and the shielding plates 61 are detachably attached to the frame bodies 70 at positions inner diameter sides rather than outer peripheral surfaces of the crosspiece members 54.COPYRIGHT: (C)2011,JPO&INPIT【課題】扱胴のメンテナンスを容易に行なえること、扱室と扱胴との間の処理空間を広くして、脱穀穀稈の処理の処理能力を向上させることである。【解決手段】脱穀装置10は、扱室に回転自在に支持された回転軸51に対向して配置された前後の側枠52,53と、軸方向に延びて側枠52,53間を接続すると共に、側枠52,53の周方向に所定の間隔を在して設けられた複数の桟部材54と、を有するフレーム体70を備えた扱胴50を備え、桟部材54に扱歯60を取り付けてあり、桟部材54間の少なくとも一部を覆う板状の遮蔽板61を備え、遮蔽板61を、桟部材54の外周面よりも内径側の位置でフレーム体70に対して着脱自在に取り付けてある。【選択図】図5
