| 摘要 |
PROBLEM TO BE SOLVED: To provide a reliable axial direction securing means having low cost, of a bearing sleeve to be fitted to a boss of a clutch bell-shaped member of a centrifugal clutch. SOLUTION: In a clutch bell-shaped member 1 of a centrifugal clutch of a portable cutter to be driven by an internal combustion engine, the clutch bell-shaped member 1 is provided with a clutch drum 2, a boss 3 firmly and concentrically connected to the clutch drum 2, a bearing bush arranged on the boss 3, and an inserting member 4 firmly and concentrically connected to the boss 3, and the inserting member 4 is for the connecting end on the side facing an elastic shaft. Friction connection and shape connection are formed between the bearing bush 5 and the boss 3 in order to prevent the bearing bush 5 from being easily lost. |
