PROBLEM TO BE SOLVED: To provide a combine harvester including a threshing cylinder having a small natural vibration and an inside space capable of easily performing maintenance works.SOLUTION: This combine harvester is provided by constituting the threshing cylinder (100) with a front-supporting member (101) supported at the front part of a threshing cylinder shaft (103) and a rear-supporting member (102) supported at the rear part of the same, and a plurality of threshing cylinder frames (104) having many threshing teeth (107) installed over the outer circumferential parts of the front part-supporting member (101) and rear-supporting member (102), and installing the threshing cylinder frames (104) as a circumferential row of the front-supporting member (101) and rear-supporting member (102) in nonuniform intervals.COPYRIGHT: (C)2013,JPO&INPIT【課題】固有振動が小さく、保守作業を容易行なうことができる内部空間を有する扱胴を備えたコンバインを提供する。【解決手段】上記課題は、扱胴(100)を扱胴軸(103)の前部に支持した前部支持部材(101)及び後部に支持した後部支持部材(102)と、前部支持部材(101)及び後部支持部材(102)の外周部に亘って設置された多数の扱歯(107)を有する複数の扱胴フレーム(104)とから構成し、扱胴フレーム(104)を前部支持部材(101)及び後部支持部材(102)の周方向に不均一な間隔で並設することにより解決される。【選択図】図7
