PROBLEM TO BE SOLVED: To provide a combine that prevents grain culms from being entangled inside a feeder house and can perform reaping and threshing work efficiently.SOLUTION: A combine includes a first rotary body (12) arranged at the front part in a frame body (10) of a feeder house (3D), which can move vertically relative to the frame body (10)； a second rotary body (14) arranged at the rear part in the frame body (10)； a chain (15) wound on the first rotary body (12) and the second rotary body (14), which has a plurality of grain culm conveying members； energizing means (33A and 33B) for energizing the first rotary body (12) against the frame body (10) downward； and a rotary body lifting mechanism (70) for lifting the first rotary body (12) against the energizing force by the energizing means (33A and 33B).SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】フィーダハウスの内側で穀稈が絡み付くのを防止して刈取・脱穀作業を効率良く行うことができるコンバインを提供する。【解決手段】フィーダハウス（３Ｄ）の枠体（１０）内の前部に配置され、枠体（１０）に対して上下移動可能な第１回転体（１２）と、枠体（１０）内の後部に配置される第２回転体（１４）と、第１回転体（１２）と第２回転体（１４）に巻回されて複数の穀稈搬送部材を有するチェン（１５）と、第１回転体（１２）を枠体（１０）に対して下向きに付勢する付勢手段（３３Ａ，３３Ｂ）と、付勢手段（３３Ａ，３３Ｂ）による付勢力に抗して第１回転体（１２）を上昇させる回転体昇降機構（７０）を備えた。【選択図】図２
