| 摘要 |
<p>A hand tool (1) with an electric engine (3) for rotationally driving a member (2) to be driven, characterized in that it comprises means (5) for 15 slowing down the engine (3) and means (6) for detecting the rotational driving of the tool (1) so as to control the slowing down means (5) of the engine. This invention applies well to drills, screwing machines, millstones or other rotary hammers. (Single Fig.) No</p> |
