|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||114/391 ; 114/90 ; 114/103|
|우선권정보||JP-0183185 (1994-08-04); JP-0183186 (1994-08-04)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 2 인용 특허 : 1|
A sailboat having an improved mast and boom arrangement wherein the mast is pivotally supported relative to the hull about an axis that is disposed rearwardly from the mast and close to but in front of the normal center of pressure on the sail carried thereby so as to reduce the turning moments on the hull during sailing and improve the speed performance. An improved pivotal arrangement for the boom is disclosed, as is a pivotal connection between the mast and the boom which permits the mast to be easily raised and lowered.
A sailboat and mast arrangement, said sailboat having a hull, a boom supported for pivotal movement about a generally vertical axis disposed between the ends of said boom, a mast at one end of said boom and adapted with said boom to support a sail having a leading edge affixed to said mast and a trailing edge affixed to said boom, the center of pressure of the wind forces acting on said sail in normal positions being disposed to the rear of the vertical axis about which the boom pivots and spaced a substantially lesser distance from said pivot axis than ...