| 摘要 |
PURPOSE:To improve the stability of a small boat by drawing a floating body out of the boat so to inject gas for expanding the body whereby using it as an auxiliary float when a beginner goes on board, controls sailing and stops sailing. CONSTITUTION:In a small sliding boat 1, when a beginner goes on board, the outer panel 3 of a space 2 containing a deckfin 1a, is drawn outward with a lock fitting 6 disengaged from a hook 7 for leveling the outer panel. And pressurized gas is injected from a gas cylinder into a rubber floating body 8 which is drawn out in a form of a folded and reduced scale together with the outer panel 3 for expanding the body so as to make it an auxiliary float 8' thereby stability is improved. And when a person meeting with a disaster at sea is found, the floating body 8 is expanded in a similar manner so as to make it an auxiliary buoy whereby the same is thrown down toward said person with the hook 5 of the outer panel 3 removed for saving him. As mentioned above, this constitution contributes to improvement of the skill of beginners and can save the person meeting with a disaster at sea as well.
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