| 摘要 |
<p>The invention relates to an exchangeable tool for holding in a receiving structure, the tool comprising:
- a safety device for preventing the tool from accidentally falling out of the receiving structure, which safety device has a tool releasing position and a tool locking position;
- energizable actuating means for actuating the safety device; and
- energizing means for energizing the actuating means,
and to a method for exchanging such tool from a receiving structure.</p> |
