| 摘要 |
<p>A localising device for rescue operations comprises a container formed by a body and a closure lid, the latter housing a balloon provided in its mouth with a valve associated with a coupling in the body of the container, in the interior of which are housed individual bottles containing a lighter-than-air gas; said valve is held in its coupling by means of a fastening element, while, at the same time, in correspondence with the gas bottles, there is an opening mechanism for the same which is made up for each bottle by a piece which has inside it a pin and spring assembly, which holds the pin retracted, there being further provided a pivoted lever whose rotation displaces the pin against the spring to open the bottle; these pivoting levers of the bottles being joined together by a cable to a common operating handle, to constitute opening means for the bottles.</p> |
