PROBLEM TO BE SOLVED: To provide a combine harvester avoiding a reaping blade driving mechanism from the direct collision to a ridge and from the breakage, when crossing over the ridge or turning on the ridge side.SOLUTION: In a reaping device of a combine harvester, a right and left-directional sideward transmitting case (13) is set at the tip part of a back and forth-directional lengthwise transmitting case (11) supporting a reaping part (4) a reaping blade device (9) of a hair clipper type is set at the front side of the sideward transmitting case (13), blade driving mechanisms (14) linking freely slidably right and left, the movable blades of the reaping blade device (9) with a sideward transmitting shaft (12) built in the sideward transmitting case (13) are set at the right and left end sides of the sideward transmitting case (13) and guard elements (20) connecting the right and left end parts of the sideward transmitting case (13) with the right and left end parts of the reaping blade device (9) are set at the underside of the blade driving mechanisms (14).COPYRIGHT: (C)2012,JPO&INPIT【課題】畦超え時や畦際での回行時に、刈刃駆動機構が直接畦畔に衝突して破損するのを回避する。【解決手段】刈取部(4)を支持する前後方向の縦伝動ケース(11)の先端部に左右方向の横伝動ケース(13)を設け、該横伝動ケース(13)の前方にバリカン式の刈刃装置(9)を設け、横伝動ケース(13)の左右端部側には該横伝動ケース(13)に内蔵された横伝動軸(12)から刈刃装置(9)の可動刈刃を左右往復摺動自在に連動する刈刃駆動機構(14)を設け、横伝動ケース(13)の左右端部と刈刃装置(9)の左右端部を連結するガード部材(20)を刈刃駆動機構(14)の下方に配置する。【選択図】 図2
