PROBLEM TO BE SOLVED: To prevent lowering of grain recovery efficiency caused by free grains over rack without causing clogging during conveyance of reaped grain culms and lowering, etc., of threshing performance.;SOLUTION: The threshing apparatus is equipped with a nipping and conveying mechanism 7 for nipping stock base sides of reaped grain culms and conveying reaped grain culms, a threshing cylinder 9 for applying threshing treatment to ear tip sides of reaped grain culms conveyed by the nipping and conveying mechanism 7 and a guide plate 25 for guiding grains flowing down toward the stock base side of the reaped grain culms together with rotation of the threshing cylinder 9 to the threshing cylinder 9, and the guide plate 25 is constituted of a plurality of plate bodies 25A and 25B arranged in line in conveying direction of reaped grain culms at positions above reaped grain culms conveyed by the nipping and conveying mechanism 7 and grain culm guide parts 25a and 25b are located above upper side in conveying direction of reaped grain culms at the end on the upper side in conveying direction of reaped grain culms in each of the plate bodies 25A and 25B and guiding the reaped grain culms conveyed by the nipping and conveying mechanism 7 to the lower direction.;COPYRIGHT: (C)2008,JPO&INPIT
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