| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve a problem that a conventional rope developing device is not enough to cope with various situations such as a person or an article on the water surface because it allows a rope to be developed only in a flying body-shooting direction. SOLUTION: This device R is provided with the rope 1 floating on the water surface, the plural flying bodies 2 connected at least to both ends of one rope, and a shooter 3 capable of setting an elevation and an azimuth for the each flying body 2, and a developing form is made freely changeable in response to the situations of the person or the article on the water surface.</p> |
