GRASS MOWER AND ROTARY BLADE FOR GRASS MOWER

摘要

PROBLEM TO BE SOLVED: To provide a bush cutter which enables mowing work carried out by swinging an operation pipe to the left and right more lightly while stabilizing the posture of a rotary blade.SOLUTION: A grass mower A comprises an operation pipe 100, an engine connected to the base end of the operation pipe 100, and a rotary blade 300 supported at the tip of the operation pipe 100. The rotation output of the engine is transmitted to the rotary blade 300 through a transmission shaft inserted into the operation pipe 100, and rotates the rotary blade 300. The grass mower A also comprises: a forearm base part support tool 400 attached to the engine or a connection portion of the engine and the operation pipe 100, for constraining a right-arm forearm base part Ba of an operator above the shaft line of the operation pipe 100; a right hand grip 500 located in front of the forearm base part support tool 400 and provided so as to surround the periphery of the operation pipe 100; and a left hand handle 600 located in front of the right hand grip 500 and having a grip part at an upper position from the operation pipe 100.