PROBLEM TO BE SOLVED: To economically respond to troubles such as deformation and breakage of a guide plate while preventing lowering of grain recovery efficiency caused by free grains over a rack, and effectively suppressing lowering of threshing performance, etc.;SOLUTION: The threshing device includes a clamping transfer mechanism 6 to clamp the base-side of a reaped culm and transport the culm, a threshing cylinder rotating to perform threshing treatment to the ear-side of the reaped culm transported by the clamping transfer mechanism 6, and a guide plate 47 guiding the grains flowing down to the base-side of the reaped culm toward the threshing cylinder according to the rotation of the threshing cylinder. The guide plate 47 is composed of a plurality of plates 48, 49 aligned along the transfer direction of the reaped culm and above the reaped culm transferred by the clamping transfer mechanism 6, and these multiple plates 48, 49 are adjacently placed at front and back positions and butted with each other in a manner to bring the rear end 48A of the front-side plate 48 into contact with the front end 49A of the rear-side plate 49.;COPYRIGHT: (C)2013,JPO&INPIT
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