|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||114/391 ; 1/4 ; 1/4 ; 1/4|
|발명자 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 0|
A sailing craft having a hull with a longitudinal midplane. A primary boom is pivotally mounted on the hull for 360°continuous rotation in either direction about a central vertical axis. The primary boom is connected by lines to a sail boom. At least one angled mast is mounted to the hull and extends upwardly. The mast has a top, the top is disposed approximately above the central vertical axis of the primary boom. A sail is carried by the sail boom and extends upwardly and substantially symmetrically about the central vertical axis. The sail is supporte...
In a sailing craft, the combination of at least one hull having a bow and a stern in a longitudinal midplane a primary boom pivotally mounted on the at least one hull for 360°continuous rotation in either direction about a central vertical axis, a sail boom connected to the primary boom, at least one angled mast mounted on the at least one hull, extending upwardly therefrom, the at least one mast having a top, the top being disposed approximately above the central vertical axis of the primary boom, a sail carried by the sail boom, the sail extending upwa...