| 摘要 |
<p>A transmission mechanism for a power tool includes: a shaft (7) driven by a drive mechanism of the power tool, the shaft (7) comprising a first axial portion, a second axial portion and a driving portion provided between them; a gear (8) slidably mounted to the first axial portion, wherein the gear (8) and the driving portion are provided therebetween with driving parts matable with each other; and a wobble bearing (5) mounted to the second axial portion and comprising an inner ring, an outer ring and a railway provided obliquely between them, the inner ring and the driving portion being provided therebetween with driving parts matable with each other, and the outer ring being provided thereon with a swing arm extending obliquely. A power tool, especially an electrical hammer drill, having the above mentioned transmission mechanism is also disclosed.</p> |
