PROBLEM TO BE SOLVED: To provide a threshing cylinder of a grain threshing apparatus, having good threshing performance and performance for backward transporting by preventing a grain culm from getting tangled with threshing teeth.SOLUTION: The problem is solved by providing a threshing cylinder including a cylindrical cylinder body (61) extending between a front support member (13) supported on the front of a threshing cylinder shaft (12) and a rear support member (15) supported on the rear part of the threshing cylinder shaft (12), wherein a plate (60) having a plurality of threshing teeth (60A) installed at spaces in the shaft center direction of the threshing cylinder shaft (12) is disposed on the outer peripheral surface of the cylinder body (61) at a space in the peripheral direction.COPYRIGHT: (C)2013,JPO&INPIT【課題】扱歯への穀桿の絡まりを防止し、脱穀性能及び後方への搬送性能の良好な脱穀装置の扱胴を提供する。【解決手段】扱胴軸(12)の前部に支持された前部支持部材(13)と、扱胴軸(12)の後部に支持された後部支持部材(15)にわたる円筒状の筒体(61)を備え、扱胴軸(12)の軸心方向に間隔をおいて設置される複数の扱歯(60A)を有したプレート(60)を筒体(61)の外周面上に周方向の間隔をおいて配置することにより解決される。【選択図】図4
