PROBLEM TO BE SOLVED: To provide a combine harvester that takes reaped grain culms from a feeder in a threshing part without omission.SOLUTION: In the combine harvester equipped with a reaping part in front of the machine body, the threshing part having a threshing cylinder behind the reaping part and a conveying part between the reaping part and the threshing part, an intake port for carrying the reaped grain culms into the threshing part is formed at the end of a feeder house constituting the conveying part, and the upper end edge part of the intake port positioned at the downstream side of rotation of the threshing cylinder is extensively opened upward to form an enlarged intake port.COPYRIGHT: (C)2010,JPO&INPIT【課題】刈取られた穀稈を遺漏なく、フィーダにより脱穀部に取込むことができるコンバインを提供すること。【解決手段】機体の前部に刈取部を設け、その後方に扱胴を有する脱穀部を設けると共に、刈取部と脱穀部との間に搬送部を介設したコンバインにおいて、搬送部を構成するフィーダハウスの終端に脱穀部に刈取穀稈を搬入する取込口を形成すると共に、扱胴の回転下手側に位置する取込口の上端縁部を上方に拡開させて拡大取込口を形成した。【選択図】図2