PROBLEM TO BE SOLVED: To prevent sensitivity reduction of a manual threshing sensor detecting an auxiliary holding rod arranged in a manual threshing posture.SOLUTION: A combine includes: an auxiliary holding rod 50 which guides a grain culm conveyed from a reaping device 4 in a guide posture and changes the guide posture to a manual threshing posture in performance of manual threshing work manually feeding a grain culm a feed chain 34 conveying the grain culm guided by the auxiliary holding rod 50 in the guide posture to a threshing device 5 a holding rod 33 pressing the grain culm conveyed by the feed chain 34 on the feed chain 34 to be held a holding rod cover 65 arranged so as to cover the holding rod 33 from an upper side and forming a space separated from outside in an upper side of the holding rod 33 and a manual threshing sensor 70 arranged inside the holding rod cover 65 and detecting the auxiliary holding rod 50 arranged in the manual threshing posture in response to posture change of the auxiliary holding rod 50.SELECTED DRAWING: Figure 9COPYRIGHT: (C)2016,JPO&INPIT【課題】補助挟扼杆が手扱ぎ姿勢にあることを検知する手扱ぎセンサの感度の低下を防止すること。【解決手段】刈取装置4から搬送される穀稈をガイド姿勢で案内し、手動で穀稈を供給する手扱ぎ作業を行う場合にガイド姿勢から手扱ぎ姿勢に変更される補助挟扼杆50と、ガイド姿勢にある補助挟扼杆50に案内された穀稈を脱穀装置5へ搬送するフィードチェン34と、フィードチェン34によって搬送される穀稈をフィードチェン34に押し付けて挟持する挟扼杆33と、挟扼杆33を上方から覆うように設けられ、挟扼杆33の上方に外部と隔離された空間を形成する挟扼杆カバー65と、挟扼杆カバー65の内部に設けられ、補助挟扼杆50の姿勢変更に応じて補助挟扼杆50が手扱ぎ姿勢にあることを検知する手扱ぎセンサ70とを備える。【選択図】図9
