To provide a self-propelled grass-treading machine which suppresses growth of plants by contact stimulation means.SOLUTION: A grass-treading machine which suppresses the growth of weeds around the track R by automatic running, is provided with a grass-tread board formed in a flat plate shape at the front end of the main body or in a shape warping forward in the front side and contacting the ground surface with a lower surface A pair of left and right traveling tires and two traveling motors each capable of independently driving the traveling tires are provided at substantially the center of the main body and a control device for controlling the driving of the traveling tire and a battery are provided at predetermined positions of the main body Further, the entire weight balance is formed so as to be in a forward tilted posture, and furthermore, a position sensing function is provided at a predetermined position of the main body or the grass tread plate, and the grass presser automatically runs on a predetermined track to grass It adopts a means to carry out grass-treading work around the track by the tread plate and the running tire.BACKGROUND OF THE INVENTION【課題】接触刺激手段による植物の成長を抑制する自走式の草踏み機の提供を図る。【解決手段】自動走行して軌道R周辺の雑草の成長を抑制する草踏み機であって、本体先端に平板状若しくは前方に反り上がる形状に形成され下面が地表面と当接する草踏板が設けられると共に、本体略中央に左右一対の走行タイヤと該走行タイヤを夫々単独で駆動可能な二基の走行モーターが設けられ、さらに本体所定箇所に走行タイヤの駆動を制御する制御装置とバッテリーが備えられると共に、全体重量バランスが前傾姿勢になるよう形成され、さらにまた本体または草踏板の所定箇所に位置感知機能が設けられて成り、草踏み機が所定の軌道上を自動走行することで草踏板ならびに走行タイヤによって軌道周辺の草踏み作業が行われる手段を採る。【選択図】図1
