ENGINE-DRIVEN BUSH CUTTER

PROBLEM TO BE SOLVED: To provide a bush cutter suppressing torsion of a shaft caused by variation of rotational speed and reducing gear noise in contrast with conventional engine-driven bush cutter generating non-uniform rotation caused by acceleration of an engine by combustion-induced torque and d...

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Bibliographische Detailangaben
Hauptverfasser:	KAMIMURA JUNICHI, OTSU SHINKI, SUNAOSHI MITSUHIRO, YASUTOMI TOSHINORI
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS FISHING FORESTRY GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HARVESTING HEATING HUMAN NECESSITIES HUNTING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING MOWING SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRAPPING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a bush cutter suppressing torsion of a shaft caused by variation of rotational speed and reducing gear noise in contrast with conventional engine-driven bush cutter generating non-uniform rotation caused by acceleration of an engine by combustion-induced torque and deceleration by sliding resistance between a cylinder and a piston ring and pumping loss, etc., in compression of a fuel with a piston. SOLUTION: The problems comprising generation of twisting oscillation of the shaft and gear noise can be solved by placing a circumferentially movable and power-transmitting elastic member in the inner part of a gear enclosed in a gear case, thereby decreasing a torsional spring constant of a power transmission part. COPYRIGHT: (C)2010,JPO&INPIT