IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0201066
(2002-07-22)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
18 |
초록
▼
An apparatus for the purpose of floatation and transportation on water comprises a pair of buoyant wing-shaped floats and foot wells in the floats designed to be under the center of buoyancy of each float. The apparatus may further comprise a tether attached to each float at the user's ankle height.
An apparatus for the purpose of floatation and transportation on water comprises a pair of buoyant wing-shaped floats and foot wells in the floats designed to be under the center of buoyancy of each float. The apparatus may further comprise a tether attached to each float at the user's ankle height. Accessories may be attached to one or more floats. The invention further provides a number of propulsion mechanisms, one of which comprises a support structure, a buoyant flap articulated to the support member by an articulation having an axis of rotation that is both within 45 degrees of horizontal and substantially perpendicular to the direction of travel, said flap being movable substantially in rotation about said axis, said rotation being in a semicylindrical space behind said axis, said space being away from said direction of travel. Additional novel features of the apparatus and propulsion mechanism are discussed herein.
대표청구항
▼
1. An apparatus to be worn on the feet of a user for the purpose of floatation and transportation on water in a direction of travel, comprising:a first buoyant float and a second buoyant float, each of said first buoyant float and said second buoyant float comprising a center of buoyancy, a bow, and
1. An apparatus to be worn on the feet of a user for the purpose of floatation and transportation on water in a direction of travel, comprising:a first buoyant float and a second buoyant float, each of said first buoyant float and said second buoyant float comprising a center of buoyancy, a bow, and a stern, and further comprising:a sculpted hull, said sculpted hull comprising:a substantially straight and generally flat inward side running from said bow to said stern;a substantially convex outward side having convexity, a top edge and a bottom edge, said substantially convex outward side and said convexity running from said bow to said stern, and said convexity being away from the direction of said substantially straight and generally flat inward side, said substantially convex outward side additionally being farther from said substantially straight and generally flat inward side at said top edge than at said bottom edge;a bottom side in watertight connection with said substantially straight and generally flat inward side and said substantially convex outward side, wherein said substantially straight and generally flat inward side, said substantially convex outward side, and said bottom side form a smooth and continuous exterior surface; anda top surface covering said sculpted hull;a foot well for housing said user's foot and ankle, said foot well disposed through said top surface of said buoyant float and extending toward said bottom side, said foot well further located to position said user's ankle substantially in vertical alignment with the center of buoyancy, and said foot well further comprising a bottom surface that is below said center of buoyancy,wherein said substantially convex outward side and the substantially straight and generally flat inward side act cooperatively to form an aerofoil whereby said sculpted hull experiences a force in the direction generally from said substantially straight and generally flat inward side to said substantially convex outward side when moving in the direction of travel in water; anda support structure attached to one of said first buoyant float or said second buoyant float; anda buoyant flap comprising a leading edge, a trailing edge, a width between said leading edge and trailing edge and an articulation located within the first 25% of said width as measured from said leading edge, said buoyant flap articulated to said support structure at said articulation, said articulation having an axis of rotation that is both within 45 degrees of horizontal and substantially perpendicular to said direction of travel, said buoyant flap being movable substantially in rotation about said axis, said rotation being in a space behind said axis, said space being away from said direction of travel. 2. An apparatus to be worn on the feet of a user for the purpose of floatation and transportation on water in a direction of travel, comprising:a first buoyant float and a second buoyant float, each of said first buoyant float and said second buoyant float comprising a center of buoyancy, a bow, and a stern, and further comprising:a sculpted hull, said sculpted hull comprising:a substantially straight and generally flat inward side running from said bow to said stern;a substantially convex outward side having convexity, a top edge and a bottom edge, said substantially convex outward side and said convexity running from said bow to said stern, and said convexity being away from the direction of said substantially straight and generally flat inward side, said substantially convex outward side additionally being farther from said substantially straight and generally flat inward side at said top edge than at said bottom edge;a bottom side in watertight connection with said substantially straight and generally flat inward side and said substantially convex outward side, wherein said substantially straight and generally flat inward side, said substantially convex outward side, and said bottom side form a smoot h and continuous exterior surface; anda top surface covering said sculpted hull;a foot well for housing said user's foot and ankle, said foot well disposed through said top surface of said buoyant float and extending toward said bottom side, said foot well further located to position said user's ankle substantially in vertical alignment with the center of buoyancy, and said foot well further comprising a bottom surface that is below said center of buoyancy,wherein said substantially convex outward side and the substantially straight and generally flat inward side act cooperatively to form an aerofoil whereby said sculpted hull experiences a force in the direction generally from said substantially straight and generally flat inward side to said substantially convex outward side when moving in the direction of travel in water; anda support structure attached to one of said first buoyant float or said second buoyant float; anda flap comprising a leading edge, a trailing edge, a width between said leading edge and trailing edge and an articulation located within the first 25% of said width as measured from said leading edge, said flap articulated to said support structure at said articulation, said articulation having an axis of rotation that is both within 45 degrees of horizontal and substantially perpendicular to said direction, said flap being movable substantially in rotation about said axis, said rotation being in a space behind said axis, said space being away from said direction of travel and generally between a plane parallel to and a plane perpendicular to the direction of travel. 3. An apparatus to be worn on the feet of a user for the purpose of floatation and transportation on water in a direction of travel, comprising:a first buoyant float and a second buoyant float, each of said first buoyant float and said second buoyant float comprising a center of buoyancy, a bow, and a stern, and further comprising:a sculpted hull, said sculpted hull comprising:a substantially straight and generally flat inward side running from said bow to said stern;a substantially convex outward side having convexity, a top edge and a bottom edge, said substantially convex outward side and said convexity running from said bow to said stern, and said convexity being away from the direction of said substantially straight and generally flat inward side, said substantially convex outward side additionally being farther from said substantially straight and generally flat inward side at said top edge than at said bottom edge;a bottom side in watertight connection with said substantially straight and generally flat inward side and said substantially convex outward side, wherein said substantially straight and generally flat inward side, said substantially convex outward side, and said bottom side form a smooth and continuous exterior surface; anda top surface covering said sculpted hull;a foot well for housing said user's foot and ankle, said foot well disposed through said top surface of said buoyant float and extending toward said bottom side, said foot well further located to position said user's ankle substantially in vertical alignment with the center of buoyancy, and said foot well further comprising a bottom surface that is below said center of buoyancy,wherein said substantially convex outward side and the substantially straight and generally flat inward side act cooperatively to form an aerofoil whereby said sculpted hull experiences a force in the direction generally from said substantially straight and generally flat inward side to said substantially convex outward side when moving in the direction of travel in water; anda support structure attached to one of said first buoyant float or said second buoyant float;a flap comprising a leading edge, a trailing edge, a width between said leading edge and trailing edge and an articulation located within the first 25% of said width as measured from said leading edge, said flap articulated to sai d support structure at said articulation, said articulation having an axis of rotation that is substantially perpendicular to said direction, said flap being movable substantially in rotation about said axis, said rotation being in a space behind said axis, said space being away from said direction of travel; anda torque generating mechanism connected between said flap and said support structure, said mechanism comprising a stressed material exerting torque on said flap, said torque directed so as to rotate said flap toward a position substantially perpendicular to said direction, said torque being exerted on said flap at all rotation positions of said flap.
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