PROBLEM TO BE SOLVED: To readily carry out cleaning of the interior of a mower deck after mowing operation in a mower equipped with a plurality of cutting chambers mutually communicating in the interior of the mower deck and arranged in the transverse direction side by side and further rotating blades which are rotated, driven around the vertical shaft center and installed in each cutting chambers.SOLUTION: A cut grass guide 27 for guiding cut grass turning and flowing in the interior of each cutting chamber 26 toward the side of the center of blade rotation is installed in the form of a vertical wall in the upper part of the interior of each cutting chamber 26. Furthermore, a shielding member 28 for preventing the cut grass from penetrating into the space between the cut grass guide 27 and the peripheral wall 18 of each cutting chamber is installed.COPYRIGHT: (C)2009,JPO&INPIT【課題】 モーアデッキの内部に互いに連通した複数の切断室を横方向に並列し、各切断室に縦軸心周りに回転駆動される回転ブレードを装備したモーアにおいて、草刈り作業後におけるモーアデッキ内の清掃を容易に行えるようにする。【解決手段】 切断室26の内部上方に、切断室26内を旋回流動する刈草をブレード回転中心側に向けて案内する刈草ガイド27を縦壁状に設けるとともに、この刈草ガイド27と切断室周壁18との間に刈草が侵するのを防止する遮蔽部材28を設けてある。【選択図】 図4