| 摘要 |
<p>A hand-held powered grinding tool has a drive shaft (14) to a bottom-end grinding disc (18). The grinding tool housing (12) has a push button (20) with a return spring (50) around a locking pin. The push button engages locking pin with the stationary drive shaft, facilitating removal and replacement of the grinding disc. Before the button is pushed, it must first be rotated. The button cannot be depressed directly, without prior rotation.</p> |
