PROBLEM TO BE SOLVED: To form the shifting operation range of an operation lever compactly in a narrow range by improving the operability of the operation lever for a grass dividing guide.SOLUTION: In a combine harvester, the front of a grass dividing guide (10) is attached in the left section, which becomes the opposite side from the side that has a drivers seat (8) in a reaping and conveying device (7), a dust-proof cover (13) is arranged above a grain culm conveying path (9), which conveys reaped grain culm from the reaping and conveying device (7) to a threshing device (2), and a supporting frame (17), which straddles in the right and left directions above the grain culm conveying path (9), is provided under the dust-proof cover (13). In the combine harvester, the longitudinal supporting shaft (11) is supported by the supporting frame (17), and the tip of an operation lever (12), which switches the grass dividing guide (10) into a grass dividing posture position and a storage posture position, is supported rotatably around the supporting shaft (11), and the rear end of the operation lever (12) is projected toward a rear threshing device (2) from the rear end of the dust-proof cover (13).COPYRIGHT: (C)2014,JPO&INPIT【課題】分草ガイド用の操作レバーの操作性を向上させ、この操作レバーの移動操作範囲を狭い範囲にコンパクトに形成する。【解決手段】刈取搬送装置(7)における運転席(8)を有する側とは反対側となる左側の部位に分草ガイド(10)の前部を取り付け、刈取搬送装置(7)から脱穀装置(2)に刈取穀稈を搬送する穀稈搬送通路(9)の上方に防塵カバー(13)を配置し、防塵カバー(13)の下側には前記穀稈搬送通路(9)の上方を左右方向に跨ぐ支持フレーム(17)を設けたコンバインにおいて、支持フレーム(17)に縦方向の支持軸(11)を支持し、分草ガイド(10)を分草作用姿勢位置と格納姿勢位置とに切り替える操作レバー(12)の前端部を支持軸(11)に回動自在に軸支し、操作レバー(12)の後端部を防塵カバー(13)の後端部から後方の脱穀装置(2)側へ向けて突出させて設ける。【選択図】図1
