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WO/1989/012001A1 |
An oar-reversing mechanism which includes a support (12) adapted to be mounted atop a boat gunwale. Inner and outer oar members (14, 16) are rotatably mounted to the support (12) so that, when the support (12) is atop a gunwale, the resp...
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WO/1989/012000A1 |
The device is an alternative to the conventional paddle or oars, and comprises a collapsible scoop and a handle-shaft. The scoop has top and bottom panels (14, 16), hinged together along one edge (18), and side-panels. The side-panels (2...
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WO/1988/001966A1 |
A lightweight propulsion device for use with various types of lightweight boats (10) and other small craft, including use with a swimmer (140) is provided with a frame (64, 68) for mounting the propulsion device on the craft. A shaft (94...
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WO/1988/000905A1 |
Rowing device, especially a rowing device to be fastened on a wind surf board, comprising a framework (1), a fixed seat (7) fastened to the framework (1) and a foot support unit (2) movable in the framework (1) longitudinally with respec...
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WO/1987/007167A1 |
A propulsion and exercise device transmitting human energy from both the upper and lower body simultaneously. A frame (20) contains a rotatable upwardly extending mast (30) to which a foot engaging structure (38) is attached by linkage (...
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WO/1987/002638A1 |
A boat (10) fabricated from synthetic plastic sheet. The hull (30) and deck (12) sheets are separately vacuum-formed over male and female molds. The cavity created by joining the hull and deck at the gunwale is filled with plastic foam (...
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WO/1986/007028A1 |
On the vehicle (47) are mounted an actuation member (50), a force transmission unit (48, 59; 61, 57, 43; 58) and a drive element (41). Preferably, the actuation member is comprised of two levers, each of them being fixed to a metal cable...
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WO/1986/006343A1 |
In an oar boat having fixed oar housings and outriggers movable in the direction of the length of the boat, the outriggers are provided like sliding outriggers (1) which may slide without tilting forwards or backwards in a single linear ...
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WO/1984/000499A1 |
An elongated propelling member (9) for manually advancing a sailing craft over the water surface, said propelling member (9) comprising a stick-like grip and thrust means through which a thrust can be exerted on the water, said grip form...
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WO/1980/002270A1 |
The propulsor device comprises blades (9) arranged at the end of blade carriers (8), said blades being driven approximately in a motion of translation within a vertical plane by means of a mechanism for the transmission of the circular m...
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JP7316651B2 |
To reduce a weight of a blade while securing performance of boat rowing action and steering action of a paddle.A blade 10 as a blade 10 mounted on a shaft 20 of a paddle includes a front face 11a raking water, and a back face 11b facing ...
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JP7278746B2 |
To provide an aquatic plant cutting vessel with great propulsion force and capable of moving at a relatively high speed while using propulsion by paddle wheels.A pair of paddle wheels 10 used for propulsion of a vessel comprises: a paddl...
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JP7205025B2 |
To provide an easily carried oar capable of fine-adjusting the characteristics of the oar.An oar (1) comprises: an oar shaft (10); an oar blade (20) that is fitted to the tip of the oar shaft (10) in a longitudinal direction; and a handl...
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JP7083737B2 |
To suppress impact of interference by absorbing shock even when a paddle wheel interferes with a foreign matter in water, for example.A center disk 10d comprises arc shaped bolt insertion holes 10g for fixing which stores hub bolts 13b a...
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JP7043150B2 |
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JP3236141U |
To provide a multifunctional paddle which can be stored in a narrow space by shortening the length of the entire paddle. The shaft 2 is composed of a blade 1, a large diameter pipe 21 and a small diameter pipe 22, the blade has a joint p...
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JP6918332B1 |
Provided are an angle variable device and an oar that can easily adjust the angle of the shaft. An angle variable device 1 for changing the angle of the shaft 110 inserted into the sleeve 10, the shaft side member 20 fixed to the shaft 1...
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JP6898691B2 |
To provide a man-power propulsion boat reducing burden of a user by eliminating conventional common motions such as rowing with oars and rotating a paddle or a screw by stepping on pedals when having a boat proceed as well as obtaining e...
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JP6802429B1 |
To disclose an emergency lifesaving equipment for a wide area water surface. A main body is included, a bottom plate groove opened downward is formed in the main body, and power spaces opened downward are symmetrically installed on both ...
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JP3229395U |
To provide a marine propulsion device which is easy to fold, saves space after folding, and is easy to carry. In a foldable marine propulsion device including a stepping device and a paddling device and connected between the stepping dev...
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JP6741376B2 |
To provide a man-power propulsion boat reducing burden of a user by eliminating conventional common motions such as rowing with oars and rotating a paddle or a screw by stepping on pedals when having a boat proceed as well as obtaining e...
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JP2020055422A |
To provide a simple and light weight kicking propulsion man powered water surface traveling vessel comprising a floating body and a coupling leg frame without any stability performance in vertical or horizontal direction or a rudder due ...
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JP6637372B2 |
To provide a small ship equipped with a propulsion device capable of acquiring propulsion power with a feeling similar to a conventional steering method of a bicycle, and adjusting a stroke length of a paddle plate for a pedal operation ...
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JP2019189197A |
To provide a water surface propulsion device which is light weight, easy to carry, and with high operability.A water surface propulsion device to be attached to a floating body is composed with: a slider composed to be attached to the fl...
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JP6574268B2 |
Disclosed is an element for gripping an item of sports equipment, including a core made of composite material having a fibrous framework included in a polymer matrix. The gripping element has an external layer enveloping the core and hav...
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JP2019131179A |
To provide a floating apparatus that has improved protection performance, multipurpose characteristics and number of persons to be in the apparatus.A floating apparatus (100) includes: a hollow floating structure (101) which has an upper...
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JP6464505B2 |
To provide a board capable of sailing and being rowed.A wind surfing extension pipe is divided into two pieces vertically, a seat is attached to a divided lower part for forming a seat having one leg, then the divided lower part is attac...
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JP6463151B2 |
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JP2019001387A |
To provide a propulsion unit of a small ship using a cylinder having a piston reciprocating in a tube push out water backward in both the forward motion and the backward motion.A propulsion unit is composed by providing a front chamber s...
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JP2018512244A |
Recreational power supplies and stabilizers are disclosed. The device can be configured to perform recreational activities based on rolling or slipping. The device can include an elongated handle body connected to an urging member. The u...
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JP2018501152A |
The personal watercraft has a frame supported on a first and second pontoon or similar levitation element. The pedal is mounted on a crank on the front sprocket that is rotatably supported on the frame. The chain or belt extends around t...
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JP6032777B1 |
[Subject] Driving force is obtained by a method which is not in the former, and an aquatic traveling tool of a novel form which a person with trouble especially in a lower half of the body also runs, or can be turned is provided. [Means ...
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JP2016516626A |
The present invention is a levitation device (100) with a hollow levitation structure (101) having an upper opening and provided around it; the structure (101) is partially attached to the upper opening. Or with a protective member (102)...
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JP5913673B2 |
To provide a substantially box-type shelter with multiple hatches, the shelter being capable of being stored and installed in a closet or the like and of achieving stability and safety.A substantially box-type shelter with multiple hatch...
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JP2016060475A |
To provide a boat easily movable by rowing an oar, and also the boat capable of storing a large number of persons in a small space, which is protected even from the strong sunlight, wind, a wave splash and rain, without a danger of an up...
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JP3201997U |
To provide a water bicycle provided with a paddle which has a small water pressure when entering water and can effectively scratch water in water. A frame 2, a steering shaft 3 provided on the frame along the front-rear direction thereof...
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JPWO2013018872A1 |
A main body consisting of an independent rigid package that can be moved voluntarily on water, on land, or in water, is watertight or airtight, and has heat insulation, sound insulation, or fire resistance, at least an opening / closing ...
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JP2015181793A |
To provide a bracelet type paddle which can increase propulsion power acquired by paddling water and minimizes muscle fatigue without applying an excessive load to a wrist.The bracelet type paddle is configured by combining paddle pieces...
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JP5753996B1 |
To suppress the movement of folding an arm and the movement of turning an arm as compared with an oar or a paddle, and to smoothly move the weight, and the stroke of scratching water is a stroke of a wire to a moving pulley and a fixed p...
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JP2015515416A |
The paddle for the stand-up paddle board comprises a paddle blade at the upper end of the paddle shaft and a sail assembly slidably housed within the paddle shaft, the sail being distal from the upper end of the paddle shaft. Is deployed...
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JP2015077875A |
To provide a shape of a paddle, enabling a beginner to suppress body force consumption and easily enjoy stand-up paddle boarding (registered trade mark) for a long time.A paddle includes a shaft 2 as a rod-like body, and a blade 1 as a p...
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JP2015054611A |
To provide an amphibious bicycle that dissolves such inconvenience as traveling with a float loaded during land travel and with a bicycle loaded on this float during water travel in a conventional amphibious bicycle, and thereby improves...
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JP2014231351A |
To provide interesting tool and plaything which allow a user to use physical strength and which are configured by focusing to easiness of popularization and by a simple and inexpensive structure, in a modern society that people have less...
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JP2014076776A |
To obtain a water surface traveling machine formed by a simple structure.A water surface traveling machine 100 includes: a pedal 21 which receives a driving force and thereby rotates around a virtual rotation axis; blade members 62 which...
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JP5269654B2 |
To provide a paddle being not laterally leaned when rowing a boat. The paddle P includes: a shaft 2; and a plate-like blade 1 mounted to the distal end. A ridgeline 12 is formed at the center of a paddle surface 11 of the blade 1 in an e...
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JP5249722B2 |
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JP2013063708A |
To provide a pedal-driven boat which securely reduces a burden of pedaling of a passenger and relieves fatigue of a pedaler in travelling.A rotating shaft 4 of a pedal, an output shaft 8a of an auxiliary motor 8, and a paddle rotating sh...
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JP5135685B2 |
To provide a rocking type lateral fillet propulsion human power ship capable of obtaining dynamic lateral stability as well as propulsion force by fluttering it by rocking a pair of symmetrical wings. The rocking type lateral fillet prop...
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JP5115329B2 |
To provide an on-water playing tool having a great attraction as a marine sport, and easy to treat with even for a beginner. Propulsion plates 112a, 112b are swingably attached to the rear side of a floating body 101. When a player 110 s...
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JP2012513329A |
A propulsion device for propelling a floating watercraft comprises a flexible fluke (16) that is pivotal about a substantially horizontal fluke pivot axis, and means for transmitting an oscillatory motion about said fluke pivot axis to s...
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