PROBLEM TO BE SOLVED: To provide a threshing cylinder whose specification can simply be changed into a drum type or a cage type and then used.SOLUTION: Provided is the threshing cylinder characterized in that a threshing cylinder drum 41 having threshing teeth 42 on the outer periphery and capable of being divided in the circumferential direction, or a plurality of bar-like members 43 which are long in the rotation axis direction of the threshing cylinder and having threshing teeth 45 are disposed in a replaceable state on a rotation base member 35 rotatably and pivotally supported on one side plate of a thresher and on the opposite side plate.COPYRIGHT: (C)2009,JPO&INPIT【課題】 扱胴をドラム型と籠型とに簡単に仕様変更して利用できるようにする。【解決手段】 脱穀装置の対向する一方の側板と他方の側板とに亘って回転自在に軸支される回転基材35に、外周に扱歯42を備えた周方向に分割可能な扱胴ドラム41と、扱歯45を備えた扱胴回転軸心方向に長い棒状部材43の複数本とを付け替え可能に構成してある。【選択図】 図7
