HAND-FEEDING THRESHING APPARATUS OF COMBINE HARVESTER

PURPOSE:To improve workability of a combine harvester even in hand-feeding threshing operation and improve the operation efficiency. CONSTITUTION:In a combing harvester carrying out threshing treatment by succeeding the foot side of grain culms from the final end part of a vertically conveying chain (1) to the starting end part of an under type feed chain (2), a succeeding guide (3) capable of freely changing over between an active posture oppositely providing on the starting end side of the feed chain (2) and a nonactive posture retreating to the upper part of the feed chain (2) is installed and the starting end part of the vertically conveying chain (1) is turned downward and kept in deep threshing state by changeover of the succeeding guide (3) to the nonactive posture to widen the upper space (P) on the starting end side of the feed chain (2) and the succeeding guide (3) is restored from nonactive posture to active posture by clutch ON operation of a reaping clutch.