GRASS MOWER AND ROTARY BLADE FOR GRASS MOWER

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...

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1. Verfasser: YAMADA SAKUJI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung: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. 【課題】 操作管を左右に振回して行う草刈り作業を、回転刃の姿勢を安定させつつ、より軽快に行うことができる刈払機を提供する。【解決手段】 操作管100と、この操作管100の基端に連結されたエンジンと、上記操作管100の先端に支持された回転刃300と、を備え、上記エンジンの回転出力が上記操作管100に通挿された伝動軸を介して上記回転刃300に伝達され、当該回転刃300が回転させられる草刈機Aにおいて、上記エンジンまたは上記エンジンと上記操作管100との連結部位に取付けられ、上記操作管100の軸線より上位において作業者の右腕前腕基部Baを拘束する前腕基部支持具400と、上記前腕基部支持具400よりも前方に位置し、上記操作管100の周囲を取り巻くように設けられた右手用グリップ500と、上記右手用グリップ500よりも前方に位置し、上記操作管100よりも上位位置に握持部を有する左手用ハンドル600と、を備える。【選択図】 図1