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WO/2003/026956A1 |
Equipment for assisting in rowing a boat with oars comprising an active means (5) of receiving, storing and releasing energy, which receives the energy conveyed from the rower to the oar (4) during the return movement of the oar blade. T...
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WO/2003/022676A1 |
The invention relates to a device for propelling human-powered boats and can be used mainly for sports rowboats. The aim of the invention is to reduce the wind resistance of a shank during the forward movement of an oar and to increase s...
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WO/2003/016131A1 |
A collapsible portable watercraft may be easily assembled from modular unitary components using minimal hardware. The components comprise two or more pontoon floats (14, 15) connected by a bridge system. The bridge system comprises a tra...
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WO/2003/011686A1 |
The invention concerns a nautical sailing craft, comprising a body (4) connected to at least two floaters (10 and 12), driving means, propelling means, and steering control means, the propelling means producing movements through muscular...
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WO/2003/010043A2 |
An apparatus (10) for the purpose of flotation and transportation on water, having a pair of buoyant wing-shaped floats (100), and food wells (410) in the floats designed to be under the center of buoyancy of each float. The apparatus ma...
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WO/2002/094652A1 |
The nautical bike is the floating object, appertaining to the group of the floating objects intended to the recreation, entertainment and sports on the water. The nautical bike consists from the bearable floating cushions, the propulsive...
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WO/2002/081301A2 |
There is disclosed a modular multi-purpose search rescue system comprising a board member (1), a viewing window (19) and a crook member (24). The board member (1) is adapted for passage over or flotation on ice or water or the like, and ...
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WO2001051349A9 |
Swimmers have long relied on a variety of flotation devices to enhance their enjoyment of the water. These range from simple, inflatable rafts to surfboards, bodyboards and kneeboards which can be paddled by hand, ridden on the waves or ...
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WO/2002/040112A1 |
Method and software for determining rowing boat parameters resides broadly in a method and software for determining rigging, cent re of gravity and plane displacement of the rowing boat including: providing data entry means having descri...
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WO/2002/032754A1 |
Disclosed is an improved manpower propulsion device of buoyancy for leisure. A helical gear (9), which is a manpower propulsion device, and a wire joint (10) are connected to a buoyancy (5) used as a boat or a ship. The helical gear (9) ...
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WO/2002/012059A1 |
Rowing apparatus (1) of the type in which at least one handle (63, 68) gripped in use by a user follows a generally arcuate path about generally upright axis between forward and rearward positions, characterised in that there are provide...
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WO2001079058A9 |
The invention concerns a rigid or inflatable water craft propelled by a double-flipper device for safe displacement both for the user and nearby swimmers. It consists of a floater specifically linked to a propelling system comprising a p...
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WO/2001/030651A1 |
An oarlock (10) comprises a headed pin (6) adapted to be mounted to allow pivotal movement about a generally vertical axis and an oar supporting member (9) enclosing approximately the top half of the pin (6) which rises substantially thr...
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WO/2001/026960A1 |
A pedal-powered watercraft (10) comprises a unitary hull (12) having an upper wall (33) extending from a bow portion to a stern portion of the watercraft and a pair of spaced hollow sponsons (20) located on either side of the upper wall....
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WO/2000/053489A1 |
A kayak paddle (10) with a generally straight shaft (16) that is preferably about 0.7 inches in diameter, the shaft is also conically tapered (24) at either end (18, 20). A left hand grip (12) and a right hand grip (14) are mounted on th...
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WO2000010865A9 |
A combination bicycle and boat (5) has a frame (10), a rear wheel (30), and a front wheel (34) driven by a pair of pedals (40). The frame (10) is a rigid construction that supports the user on the front and rear wheels (30, and 34) for m...
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WO2000013968A9 |
A universal platform (10) for a human powered floatation device suitable to fit multiple types of propulsion devices is disclosed. The device has a frame with two rail members (16, 18) positioned in a spaced relationship. An adjustable a...
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WO/1999/058397A1 |
An oar for rowing a boat, the oar comprising a shaft with a longitudinal axis and a blade fixed at one end of the shaft. In use the blade is adapted to engage water in a substantially vertically aligned thrust position. The geometry of t...
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WO/1999/054194A1 |
Efficient human-powered or human-power assisted energy generation and transmission system adapted for use with vehicles. The present invention can be utilized to achieve overall energy transmission efficiency superior to mechanical drive...
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WO/1999/038767A1 |
A rowing aid including an energy storage device (10) which is loaded during the recovery phase of a rowing stroke and which releases the stored energy to an oar during the power phase of a rowing stroke.
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WO/1999/011519A1 |
Sail craft type catamaran having a great versatility of use, equipped with different kinds of physical human propulsion systems, which include pedals or oars and pedals, linked with a mechanical system (28) to the propellers (29). This c...
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WO/1999/006272A1 |
A novel watercraft, which may include a hull with a keel, having a propulsion device extending below the water line comprising a pair of flappers (46, 48) each adapted to oscillate through an arcuate path in a generally transverse direct...
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WO/1998/049055A1 |
A boat (30) with a mast (38) and a crab claw sail (40), wherein the tack (42) of the sail is attached to the boat behind the mast. The sail may have a single point of attachment (51) to the mast, and the mast may be unstayed. The boat ma...
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WO/1998/045170A1 |
A boat (110) having a helical drive mechanism (30, 230, 330). The helical drive mechanism includes a slider (31, 231, 331, 431) engaged with a twisted screw (33) or a cylinder (233, 433) having a helical slot (234) or groove (434a, 434b)...
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WO/1998/034831A2 |
The invention concerns a swimming pool cycle or AQUA BIKE comprising a polyester or plastic cycle frame (10) (11) including a saddle (15), a handlebar (14) a crank gear and box (16), a driving system (20) (21) (18) (25), a resistance sys...
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WO/1998/015450A1 |
The water bicycle (1) has three basic components: an elongated floatation board (3), a propulsion and seat unit (7) which is releasably connectable to a central portion of the board, and a steering unit (9) which is also releasably conne...
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WO/1998/002347A1 |
Man-propulsed recreational amphibious vehicle comprised of two octogonal rings (3) arranged vertically, and two additional semi-spherical air-inflated floats (1). The octogonal rings (3) and the semispherical floats (1) are linked by mea...
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WO/1997/045317A1 |
A method and apparatus for providing reduced drag on a body moving in a direction D through a selected fluid medium at a speed U which is normally sufficient to cause turbulence. Reduced drag is generally accomplished by flexing at least...
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WO/1997/043174A1 |
The airfoil outrigger for team race rowing boats is fixed to the top edge of the boat (washboard) and consists of a plastic moulded body containing a glass, carbon or plastic fibre fabric or nonwoven, or of a metal moulded body. The airf...
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WO/1997/039943A1 |
The invention includes new hull systems and watercraft. In particular, the invention provides a watercraft hull (10) that has a pivot axis (22) forward of the hull waterline fore-aft center line (24). That pivot axis (22) will be the dee...
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WO/1997/032778A1 |
An oar mounting system for forward-facing rowing in which an arm or pulley strut (12) is hinged to a support or gunwale frame (11), with an end of the arm extending from the frame and rotationally mounting an auxiliary or inner oar frame...
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WO/1997/029010A1 |
A water vehicle (10) which includes first (18) and second (46) foils which are at least partly submersible and which are removable, at least to a limited extent, relatively to each other.
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WO/1997/025109A1 |
Methods are disclosed for increasing lift and decreasing drag on hydrofoils and swim fins. The methods include providing a hydrofoil (104) with a highly swept back leading edge portion (108) and orienting the hydrofoil (104) at a signifi...
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WO/1997/006055A1 |
The invention concerns a device for propelling light craft with muscular energy, i.e. with the arms and legs, and by a standard rowing motion by means of two oars with blades turned towards the centre of the craft. The device includes tw...
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WO/1996/026106A1 |
A seat (10) for a kayak (12) has a base (20) adjustably mounted in the cockpit (11) of the kayak (12), and a seat portion (30) rotatable relative to the base (20) about an axis (A) defined by a pivot pin (40). Low friction washers or spa...
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WO/1996/011136A1 |
An apparatus driven by the muscle power of at least one pilot, including pilot-operated control members (34, 36, 38, 41) connected to the propulsion assembly (142) of the apparatus via a gearing system (105, 106, 107, 135, 136, 137) havi...
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WO/1996/000165A1 |
Apparatus for propelling watercraft. A plurality of pivotable paddles (24) are mounted on a pair of spaced apart slidable substrates (20, 22). The substrates (20, 22) are moveable within a pair of channels (16, 18) formed on opposing sid...
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WO/1995/024338A1 |
A float member (10) has a top surface, a bottom surface, a front end and a rear end. A pair of elongated chambers (15) extend in the float member between the top surface and the bottom surface. Each elongated chamber has respective openi...
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WO/1995/017332A1 |
Water-borne floating and propulsion apparatus for cycles, motorcycles and the like comprising, according to the present invention, front float means (11) removably fastened to the front wheel of a cycle, motorcycle or the like (C), and a...
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WO/1995/013963A1 |
The device according to the present invention, that allows the rower to row with his face turned towards the stem and drawing the handle of the row towards himself, consists of two half-rods (A-B) linked and jointed one to another, and o...
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WO/1995/001906A1 |
A single-hull craft with high floating stability, having one hull (11). This single-hull craft comprises means of steering and stabilizing the craft in the water, including a combined keel and rudder (18) pivoting about an axis, which ar...
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WO/1995/000389A1 |
A watercraft with a float (1) provided with two paddles (2, 3) symmetrically arranged on either side of the axis (AB) corresponding to the straight line along which the craft is propelled. Each paddle is mounted at a certain depth on the...
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WO/1994/021516A1 |
A waterborne craft comprising two floats (A.1, A.2) and a seat (A.3) which are made of a flexible material and individually inflatable or made of rigid buoyant materials. Additional members for operating the craft and ensuring user comfo...
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WO/1994/000339A1 |
A water cycle comprising a front steering float (6), two rear side floats (8) and driven by an impeller (13) operated by foot pedals.
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WO/1993/019979A1 |
Sailboard provided with a pair of endless conveyance devices (18, 19, 20, 21) provided next to each other in the lengthwise direction of the board, and a pair of propelling devices which are each connected by means of a freewheel clutch ...
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WO/1993/011038A1 |
An aquatic craft (11) capable of manual operation which comprises at least one platform (13) to accommodate a rider and supporting handrail (18) associated therewith to allow for the rider to hold on to the craft (11). The platform (13) ...
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WO/1993/001428A1 |
An assembly is disclosed for doubling the stroke length and speed of a linear reciprocating movement, in particular for driving vehicles or athletic implements actuated by a reciprocating movement of the feet. The assembly has two fixed ...
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WO/1991/008945A1 |
A swivel (10) for mounting an oar (21) on a rowing boat is pivotally mounted by a spindle (12) on a rigger (11). An element (23) on the swivel has a thrust face (24) for transmitting the force generated by the stroke of the blade in the ...
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WO/1990/008062A1 |
A racing rowing boat has one or more thwarts. Each oarsman's seatis associated with a rolling or sliding outrigger (5) to which a stretcher (10) is rigidly fastened. Both the seat (7) and the outrigger (5) slide along a guide in the long...
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WO/1990/007449A1 |
A marine bicycle comprises a bicycle frame mounted on a float resembling a surf-board. With this combination, it is possible to obtain a marine bicycle capable of reaching much higher speeds than those attainable with conventional models.
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