PROBLEM TO BE SOLVED: To provide a combined harvester which has a reaping portion for reaping the grain straws of a field and a threshing portion for threshing the grain straws and whose reaping portion is automatically driven on the forward travel of the vehicle body, wherein a hand feed threshing work can be performed on the forward travel.SOLUTION: The combined harvester includes a reaping portion, a threshing portion, a threshing clutch, a reaping clutch, an actuator for intermittently operating the reaping clutch, forward travel detection means for detecting the forward travel of the vehicle body, and a control portion for engaging the reaping clutch with the actuator, when a forward travel is detected with the forward travel detection means on the engagement of the threshing clutch, wherein the control portion is formed so that the engaging operation of the reaping clutch is controlled, even when the threshing clutch is in an engaged state and in a forward travel state in the switch-in state of a disposed hand feed threshing switch.COPYRIGHT: (C)2011,JPO&INPIT【課題】圃場の穀稈を刈取る刈取部及び穀稈の脱穀処理を行う脱穀部を備え、車体の前進走行時に刈取部を自動的に駆動させるコンバインにおいて、前進走行時に手扱ぎ作業を行うことが可能なコンバインを提供する。【解決手段】刈取部、脱穀部、脱穀クラッチ、刈取クラッチ、刈取クラッチを断続作動させるアクチュエータ、車体の前進走行を検出する前進走行検出手段および脱穀クラッチの接続時に前進走行検出手段によって前進走行が検出された場合にはアクチュエータによって刈取クラッチを接続作動させる制御部とを備えたコンバインにおいて、手扱ぎスイッチを設け、手扱ぎスイッチの入状態時には脱穀クラッチが接続状態且つ前進走行状態の場合でも刈取クラッチの接続作動を規制するように制御部を構成する。【選択図】図9
