PROBLEM TO BE SOLVED: To provide a riding type lawn mower in which a cover for covering an output shaft on the side of an engine, a cover for covering the input shaft of the lawn mower, and an intermediate cover for covering a power transmission device between the output shaft and the input shaft are separately disposed, and the intermediate cover is swung and moved with the lifting or lowering of the lawn mower to compactly and sufficiently perform the covering.SOLUTION: The power transmission device is characterized by supporting the intermediate cover 14 in a state capable of being rotated on a lateral horizontal axis in the first connection portion 15 disposed between one end portion of the intermediate cover 14 and the output shaft cover 12 and in the second connection 16 disposed between the other end portion of the intermediate cover 14 and the input shaft cover 13, and forming a support portion 18 supporting the intermediate cover 14 in a state capable of being rotated on a lateral horizontal axis and permitting to vertically move the intermediate cover 14, in at least one of the first and second connection portions 15, 16.COPYRIGHT: (C)2010,JPO&INPIT【課題】本発明は、エンジン側の出力軸を覆うカバーと、草刈装置の入力軸を覆うカバーと、出力軸と入力軸との間の動力伝達装置を覆う中間カバーとを別々に構成して、草刈装置の昇降に伴って中間カバーを揺動移動するようにしてコンパクトで、十分なカバーリングを行えるようにするものである。【解決手段】本発明は、中間カバー14の一端部と出力軸カバー12との間に備えた第1接続部15と、中間カバー14の他端部と入力軸カバー13との間に備えた第2接続部16とにおいて、中間カバー14を左右横軸心周りに回動自在に支持し、前記第1及び第2接続部15,16の少なくとも一方に、中間カバー14を左右横軸心周りに回動自在に支持するとともに上下動を許容する支持部18を形成したものである。【選択図】図11
