| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric tool which includes a bearing dustproof structure having a compact structure and sufficient dustproof performance.SOLUTION: The electric tool includes a motor 31 as a driving source, the motor shaft 32 of the motor 31, and a bearing 18 for pivotally supporting the motor shaft 32. The electric tool includes a labyrinth forming member 20 mounted on the outer ring 18a of the bearing 18, and a dustproof collar 40 fixed to the motor shaft 32. A labyrinth gap is formed between the labyrinth forming member 20 and the dustproof collar 40. |
