PROBLEM TO BE SOLVED: To provide a combine harvester capable of saving labor of removing an auxiliary conveyance device from a reaping unit when opening/closing the reaping unit.SOLUTION: The combine harvester comprises: a reaping unit 3 for reaping grain culm and a conveying unit 5 that includes a feed chain 12 for conveying the grain culm to a threshing unit 4, and an auxiliary conveyance device 13 disposed in front of the feed chain 12, and provided between the reaping unit 3 and the feed chain 12. The reaping unit 3 can be opened/closed by rotationally turning, with a vertical support 20 parallel to the vertical direction as a center. The auxiliary conveyance device 13 is disposed on an end part of a first reaping shaft 47 of the reaping unit 3, an auxiliary conveyance case 110 of the auxiliary conveyance device 13 is connected to a first reaping shaft case 50 of a first reaping shaft 47, and the auxiliary conveyance case 110 and the reaping first shaft case 50 can be integrally moved associated with the opening/closing of the reaping unit 3.COPYRIGHT: (C)2014,JPO&INPIT【課題】刈取部の開閉時に補助搬送装置を刈取部から取り外す手間を省くことができるコンバインを提供する。【解決手段】穀稈を刈り取る刈取部3と、穀稈を脱穀部4へと搬送するフィードチェーン12と、フィードチェーン12の前方に配置され、刈取部3とフィードチェーン12との間に設けられた、補助搬送装置13と、を有する搬送部5と、を備え、刈取部3は上下方向に平行な鉛直支軸20を中心として回動することにより開閉可能に構成し、刈取部3の刈取第一軸47の端部に補助搬送装置13を配置し、補助搬送装置13の補助搬送ケース110と、刈取入力軸47の刈取第一軸ケース50とを連結し、刈取部3の開閉に合わせて補助搬送ケース110と刈取第一軸ケース50とが一体的に移動可能に構成した。【選択図】図10
