Lang Thomas G. (417 Loma Larga Dr. Solana Beach CA 92075-1719) Lang James T. (San Diego CA)
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Lang
Thomas G. (Solana Beach CA 04)
인용정보
피인용 횟수 :
16인용 특허 :
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초록▼
In a catamaran boat, including a propulsion system, and main hull positioned to travel above the water surface, the hull extending longitudinally forwardly, the combination comprising: two pontoons, each spaced below the main hull, the pontoons extending forwardly; support means carried by the main
In a catamaran boat, including a propulsion system, and main hull positioned to travel above the water surface, the hull extending longitudinally forwardly, the combination comprising: two pontoons, each spaced below the main hull, the pontoons extending forwardly; support means carried by the main hull and carrying the pontoons, whereby the pontoons are at least mostly submerged below the water surface when the boat is loaded and at rest; the pontoons having associated chines positioned to permit the pontoons to plane on the water surface at typical planing speeds of the boat; the support means having streamlined leading edge structure and upper sponson structure; and the support means having lateral thickness at a longitudinal location spaced at a level above the pontoons and which is less than the maximum width of each of the pontoons at the longitudinal location.
대표청구항▼
In a catamaran boat, including a propulsion system, and main hull positioned to travel above the water surface, the hull extending longitudinally forwardly, the combination comprising: a) two pontoons, each spaced below said main hull, said pontoons extending forwardly, b) support means carried by t
In a catamaran boat, including a propulsion system, and main hull positioned to travel above the water surface, the hull extending longitudinally forwardly, the combination comprising: a) two pontoons, each spaced below said main hull, said pontoons extending forwardly, b) support means carried by the main hull and carrying said pontoons for allowing said pontoons to be at least mostly submerged below the water surface when said boat is loaded and at rest, and for assisting said pontoons to plane on the water surface at typical planing speeds of the boat, c) said pontoons having associated chines positioned to permit the pontoons to plane on the water, d) said support means having streamlined leading edge structure and upper sponson structure, e) said support means having lateral thickness at a longitudinal location spaced at a level above said pontoons and which is less than the maximum width of each of said pontoons at said longitudinal location, f) said upper sponson structure including two sponsons, each sponson associated with and located substantially vertically above the level of one pontoon, each sponson having lower surfaces that are relatively divergent upwardly, toward said main hull, and above the pontoon associated with that sponson, and g) each pontoon having lower planing surfaces that are relatively divergent upwardly, and upper surfaces that are relatively convergent upwardly at locations below the sponson associated with that pontoon.
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