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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0420134 (1982-09-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 1 |
A sailing rig for use on a sailboat comprising a sail formed in the shape of two approximately ellipsoidal portions with a free-standing mast being rotatable on its vertical axis, the mast being curved near its top from the vertical axis of rotation of the mast so that the sail, when the sailboat is
A sailing rig for use on a sailboat comprising: a sail formed in the shape of two approximately ellipsoidal portions; a free-standing mast, being rotable on its vertical axis; said mast being straight at its lower portion and curved from the vertical axis of rotation at its top; and said sail, when
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