PROBLEM TO BE SOLVED: To easily perform switch operation from a normal harvest work to a manual threshing work and to improve safety during the manual threshing work.SOLUTION: At a start end part of a feed chain 13, a manual threshing feed part K is formed which is opened on an upper side. A restriction member 150 is arranged which prevents grain culms from being fed to the feed chain 13 from the manual threshing feed part K. The restriction member 150 can be switched so as to be erected/lodged by a front/rear rotation operation of a handle 153 arranged on an outer side part of the feed chain 13. When the restriction member 150 is lodged, a rear edge part thereof and a holding rod 11 crosses in a side face view, the holding rod arranged on an upper part of the feed chain 13, thereby feed of the grain culms to the manual threshing feed part K being restricted.SELECTED DRAWING: Figure 11COPYRIGHT: (C)2016,JPO&INPIT【課題】本発明は、通常の収穫作業から手扱ぎ作業への切換操作を簡単に行えるようにすると共に手扱ぎ作業中の安全性を向上することを課題とする。【解決手段】フィードチェン(13)の始端部に上方を開放する手扱ぎ供給部(K)を形成し、該手扱ぎ供給部(K)からフィードチェン(13)への穀稈供給を阻止する規制部材(150)を設けると共に、該規制部材(150)をフィードチェン(13)の外側部に設けるハンドル部(153)の前後回動操作によって起伏切換可能にし、規制部材(150)の倒伏時にその後端部がフィードチェン(13)の上部に設ける挟扼杆(11)と側面視で交差して、手扱ぎ供給部(K)への穀稈の供給を規制するように構成する。【選択図】図11
