PROBLEM TO BE SOLVED: To provide a grass mower which keeps a smallest possible gap between a guide member and a duct bottom member in lifting/lowering a mower and can prevent the guide member and duct bottom member from interfering with each other.SOLUTION: The grass mower includes: a mower 10 capable of being lifted/lowered and including a guide member 12 guiding mowed grass to a rear side on an upper face a duct 30 including a duct bottom member 32 capable of being rotated vertically and guiding the mowed grass guided by the guide member 12 with the guide duct bottom member 32 further to a rear side and a link mechanism (duct side link mechanism) 40 rotating the duct bottom member 32 in linkage with lifting/lowering of the mower 10.SELECTED DRAWING: Figure 4COPYRIGHT: (C)2016,JPO&INPIT【課題】モーアの昇降時に、ガイド部材とダクト底部材との間の隙間をできるだけ小さく維持しつつ、当該ガイド部材と当該ダクト底部材とが干渉することを防止することができる草刈機を提供する。【解決手段】上面で刈り草を後方へ案内するガイド部材12を具備する、昇降可能なモーア10と、上下回動可能なダクト底部材32を具備し、前記ダクト底部材32により、前記ガイド部材12によって案内された刈り草をさらに後方へ案内するダクト30と、前記モーア10の昇降に連動して前記ダクト底部材32を回動させるリンク機構(ダクト側リンク機構)40と、を具備する。【選択図】図4
