| 摘要 |
<p>A power tool, which includes a handle portion and a housing; a chuck disposed in front of the housing, and the chuck that is selectively operated in one of a working mode and a chucking mode. The power tool further includes a driving device which drives the chuck to axially move between a first position and a second position. The electric tool is in the working mode when the chuck is in the first position and is in the chucking mode when the chuck is in the second position</p> |
