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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0786837 (1985-10-11) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 29 인용 특허 : 25 |
This highly engineered recreational catamaran features a unique pivotable mast with a downward extending section that holds an underwater ballast. A hang glider type sail provides lift as well as thrust. Working in combination with the underwater ballast, the sail functions to deliver a high perform
In a sailboat having at least two elongated pontoons, a convex deck affixed to said pontoons to support a load, a plurality of spaced cross pieces secured to said pontoons to maintain them in a fixed spatial relationship, the improvements comprising: (a) a mast and sail universally pivotally mounted
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