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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0213268 (1988-06-29) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 4 |
A planing-type hull has a keel which projects downwardly from a disk which is mounted in the bottom of the hull for limited rotational movement about a vertical axis located rearwardly of the center of the keel. In a second embodiment the keel projects downwardly from a sector or generally pie-shape
A rudderless sailing craft, comprising a planing hull having thereon a sailing rig disposed to be grasped and manipulated by an operator standing on the hull, a single hydrofoil-shaped keel projecting from the underside of said hull adjacent the stern thereof, and operative to assist in the steering
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