PROBLEM TO BE SOLVED: To provide a lawn mower that suppresses noise and energy consumption, efficiently carries out the cut grass outside the housing, and efficiently cools a power source.SOLUTION: A lawn mower 10 includes: a housing 20 with a lower part opened a power source 40 mounted on the housing 20, and having an output shaft 41 extended in the housing 20 a cutting blade 14 stored in the housing 20, and attached to the output shaft 41 and a cut grass carry-out passage 30 extended from the housing 20 to a rear or side. The lawn mower has an air passage 50 for taking an outside air 15 and feeding it to the cut grass carry-out passage 30, and an assist fan 60 provided in the middle of the air passage 50. The air passage 50 is arranged along the circumference of an outer wall of the power source 40.COPYRIGHT: (C)2016,JPO&INPIT【課題】騒音とエネルギー消費を抑え、効率的に刈芝をハウジング外に効率的に搬出しかち効率的に動力源を冷却すること。【解決手段】下部が解放されたハウジング20と、ハウジング20の上部に搭載され、ハウジング20内に出力軸41を延ばした動力源40と、ハウジング20内に収納され、出力軸41に取り付けられた刈刃14と、ハウジング20から後方又は側方に延びた刈芝搬出通路30とを、備えた芝刈機10において、外気15を取り入れて刈芝搬出通路30に送る送風路50と、送風路50の途中に設けられたアシストファン60とを有し、送風路50は、動力源40の外壁の周囲に沿っている。【選択図】図1
