PROBLEM TO BE SOLVED: To enable a cutter case to support an electric motor for driving and operating a switching operation body for use in switching a treatment configuration of stalks, thereby simplifying the transmission system between the electric motor and the switching operation element, and facilitating maintenance work.SOLUTION: The cutter case 40 is provided with the switching operation element 47 capable of switching a stalk feeding direction to the side of a cutting pathway R1 which leads the stalks provided from the side of a threshing device 12 to a cutting place, or to the side of a discharging pathway R2 which leads the stalks to a place apart from the cutting place. The switching operation element 47 is configured so as to be driven by the electric motor 70 which is installed on the part of a lateral side-wall 40b on the far side of a vertical oscillating fulcrum y2 of the cutter case 40.COPYRIGHT: (C)2010,JPO&INPIT【課題】茎稈の処理形態切換用の切換操作体を駆動操作するための電動モータをカッターケースに支持させて、電動モータと切換操作体との伝動系を簡略化するとともに、メンテナンス作業なども行い易くする。【解決手段】カッターケース40に、脱穀装置12側から供給される茎稈を切断箇所へ供給する切断用経路側R1と、切断箇所から外れた箇所へ送り出す排出用経路R2側とに、茎稈供給方向を切換可能な切換操作体47を備え、この切換操作体47を電動モータ70で駆動するように構成してあるとともに、その電動モータ70をカッターケース40の上下向きの揺動支点y2から遠い側の横側壁40b部分に装備させてある。【選択図】図7
