213results about "Muscle power acting propulsive elements" patented technology

The Oar Snubber is a device to prevent a rower from falling out of a whitewater rowing vessel when using oars and oar locks. The device prevents an oar shaft from sliding out of its oarlock when extreme angles are encountered in whitewater conditions without limiting the rotational movement of the oar blade. It performs as a rotational retention device with adjustable but limited lateral movement.

A hydrofoil vehicle comprises a frame and at least one foil. The vehicle comprises a moveable control surface configured to control a pitch of the vehicle, in use. A locking mechanism is provided for restricting movement of the control surface when the vehicle is not foiling, for example during launching. In examples, the locking mechanism activates automatically when the hydrofoil vehicle is not foiling. In examples, the vehicle is human powered.

A pedal assembly and steering assembly are disclosed for converting an inflatable, drop stitch paddle watercraft into a pedal watercraft. The pedal assembly includes a mounting plate and mounting bracket for supporting a geared drive shaft in an opening extending through the floor of the watercraft. The steering assembly includes a rudder connected to a tiller through push pull cables.

An inflatable carrier includes an inflatable main body, a foldable supporting device connected to the inflatable main body, and a plurality of elastic elements connected to the foldable supporting device and / or the inflatable main body. When the inflatable main body is inflated to expand, the foldable supporting device is forced to extend by the expanded inflatable main body and the elastic elements are deformed. When the inflatable main body is deflated, restoring forces of the elastic elements cause the foldable supporting device to be folded.

Invention relates to the paddle-wheel propelling mechanisms, especially to the steerable and retractable paddle-wheel mechanisms for propelling boats. The paddle-wheel propulsion and steering mechanism comprises a frame structure for securing the mechanism to the boat; a propulsion mechanism for propulsion of the boat; a paddle-wheel upward and downward moving mechanism for movement of the paddle-wheel relative to a waterline of the boat; and a steering mechanism for steering of the boat.

A human-powered watercraft. The watercraft comprises a floatation element, a frame, a seat, a paddle wheel, a compression channel, and a steering mechanism. The paddle wheel is driven by a set of pedals, operated by the rider. A chain and sprocket system connects the pedals to the paddle wheel. The compression channel increases thrust produced by the paddle wheel. The steering mechanism is controlled by a handlebar and implements a bow swivel float as a rudder. The watercraft optionally includes a pontoon gear.

A self-contained paddle can be adjusted from a single paddle form with a handle on one end to a double paddle configuration having paddle blades on both ends. The paddle of the present invention allows for the handle end of a water recreation paddle to transform to a second paddle, forming a double paddle without bring a separate attachment during an outing and without interfering with the use of the paddle in the single paddle configuration when the paddle is in the single paddle configuration.

The utility model relates to folding boat oar technical field, especially a folding boat oar for water conservancy project, including first boat oar pole, one side of first boat oar pole end portion rotatory connection has the pivot, first boat oar pole is connected with second boat oar pole through pivot rotation, the end of second boat oar pole fixedly connected with the paddle board, the outside of first boat oar pole and second boat oar pole junction place is sleeved with the limit sleeve, the utility model has the advantages of: through setting up the pivot between first boat oar pole and second boat oar pole, can make both relatively rotate, can fold the boat oar and reduce the volume when storing in the place of narrow space, the torsion spring can make boat oar pole keep in the elongation state in the unfolded state, and the convenient use is through setting up the limit sleeve of sliding in the junction place of first boat oar pole and second boat oar pole, when first boat oar pole and second boat oar pole merge, then limit sleeve slides to the junction place, and the junction position of two is reinforced.

The utility model discloses a yacht paddle easy to disassemble and assemble, which belongs to the technical field of paddles, and comprises a paddle plate, a disassembling and assembling mechanism for disassembling and assembling the paddle plate is arranged at the top of the paddle plate, and a fixing component for conveniently placing the disassembling and assembling mechanism is arranged outside the disassembling and assembling mechanism. During use, the paddle plate can be quickly disassembled through the disassembling and assembling mechanism, when the paddle plate is damaged, the paddle plate can be quickly replaced, meanwhile, when the disassembling and assembling mechanism is damaged, parts in the disassembling and assembling mechanism can be replaced, and when the disassembling and assembling mechanism is used, the disassembling and assembling mechanism can further adjust the length; the device can be conveniently used in different water areas, the universality is wide, by arranging the fixing assembly, when the device is used and a user does not disassemble the disassembly and assembly mechanism, the device can be conveniently hung at a proper position through the fixing assembly, carrying is convenient, and convenience is improved.

Rowing drive for a tricycle, other body-powered vehicle or training device, characterized by the following features: - the longitudinal tube (L), which forms the front part of the chassis, branches out at the rear end into two steeply sloping tubes (Y), which transition into parallel, horizontally positioned tubes (H) that support the two rear wheels - The longitudinal tube (L) is surrounded by a slightly wider outer tube (O), which either ends behind the drive linkage or just before the end of that longitudinal tube (L) and in this variant also supports the driver's seat there. - said drive linkage, which hangs in the middle between the driver's seat and the front wheel with a solid axle (E) on the outer tube (0), consists of four parallelogram-shaped rods (a, b, c, d), of which the two longer ones (a, b) either extend upwards, as arm rod (a), or downwards, as leg rod (b), from the parallelogram and carry the handlebar (g) or the pedal rod (p) at their free end. - the two shorter parallel crossbars (c, d) connect the arm and leg bars (a, b) with four joints (A, B, C, D) and, when pulled or pushed, rotate with the handle and / or pedal bar (g, p) so that they pull the arm bar (a) downwards and the leg bar (b) upwards as both approach their mean path position and thereby straighten from the inclined position to the vertical; and because both movements continuously compensate for each other, they result in straight horizontal paths for the handle and pedal bar (g, p) - The axis (E) around which the lower crossbar (d) rotates divides it into unequal sections, which is why the arm rod (a) connected to the longer section has a larger oscillation amplitude than the leg rod (b) - above the axis (E) on the outer tube (O) stands a vertical rail (T) on which the joint (C) transformed into a slide (tsl) between the tip of the leg rod (b) and the upper crossbar (c) rises and falls during the drive movement - a device which first strictly determines the paths of the handle and pedal rod (g, p).

The present invention relates to a winged boat comprising a main body including a passenger space and a closed space at an edge, buoyant wing parts protruding from both sides of the main body, disposed in a front and a rear area of the main body, and each including a wing body protruded from a side of the main body; a buoyant space formed inside the wing body in a closed state; a water storage part disposed in an opposite direction to the main body with respect to the buoyant space and having an opening and closing part at a lower portion and an inlet formed at an upper portion, and a buoyancy control part provided in an opposite direction to the buoyant space with respect to the water storage part and adjusting buoyancy of the wing body by controlling an amount of water stored therein.

A rowing machine (10) comprising: a frame (20) having a first end (21) and a second end (22) defining a frame axis; a seat (25) slidably mounted to the frame (20), the seat (25) being configured to slide along the frame axis; at least one oarlock (30), 5 wherein the or each oarlock (30) is configured to receive an oar (40) such that the oar (40) can rotate in the oarlock (30); and a resistance mechanism (50) configured to provide resistance to the oar (40).

The invention relates to the technical field of ship manufacturing, in particular to a marine driving system which comprises a plurality of propelling mechanisms distributed on the two sides of a ship body, and the propelling mechanisms are arranged close to seats. A deck of the ship body is provided with a plurality of manual driving mechanisms matched with the propelling mechanisms, the manual driving mechanisms are adjustably arranged on the front sides of the seats, and tourists control the manual driving mechanisms to work to drive the propelling mechanisms to rotate; an adjustable transmission mechanism is arranged on the side edge of each propelling mechanism, and the multiple sets of adjustable transmission mechanisms are evenly installed on the two sides of the ship body. The propelling mechanisms are arranged on the two sides of the ship body, the manual driving mechanisms are arranged on the side edges of the propelling mechanisms, after a tourist sits on the seat, the tourist controls the pedals to drive the manual driving mechanisms to provide power for rotation of the propelling mechanisms, and the ship body is driven to travel through the acting force between the propelling mechanisms and water; the interactivity and interestingness of tourists and sightseeing projects are improved, and the relevance with the ship running process is improved.

The present invention falls within the scope of floating sundecks suitable above all for the sea, but also for the lake, swimming pool or the like. In particular, the present invention intends to propose a spacious and stable floating sundeck that combines the stability of the same with characteristics of convenience of transport such as classic sundeck as well as the possibility of integration with objects that make the sundeck advantageous in multiple technical aspects.

1. An oarlock for locking an oar to a rowing vessel or rowing simulator when the oarlock is installed in the rowing vessel or rowing simulator, the oarlock comprising: a housing installable on the rowing vessel or rowing simulator; an angle measuring device configured to use the oar by a rower during a rowing stroke by the rower and to measure an angular displacement related to the oarlock when rowing the rowing vessel or rowing simulator; and a resetter capable of resetting the angle measuring device before the angle measuring device measures another angular displacement related to the oarlock during a rowing stroke by the rower or another rowing stroke, or configured to determine an offset and calculate an error or drift.

The present disclosure is directed to a watercraft including: a hull; a first seat located on the hull, where the first seat is formed into the hull and is configured for operation of the watercraft in a kayaking manner of propulsion; and a second seat located on the hull, where the second seat is attached to the hull, where the second seat is configured for operation of the watercraft in a rowing manner of propulsion.

The invention belongs to the technical field of racing boats for water sports, and aims to provide a V-shaped multi-section flat bottom type racing boat which comprises a boat body, and a multi-section flat bottom type structure is arranged at the bottom of the boat body; the boat body comprises a front deck and a tail deck, a front cover sharp corner is arranged on the front deck, a paddle frame is arranged above the front cover sharp corner, the top end of the paddle frame is connected with a paddle frame head, and the paddle frame head is connected with a paddle bolt; a sliding seat is arranged at the rear end of the paddle frame, a flat plate is arranged at the rear end of the sliding seat, and the sliding seat and the flat plate are connected to form a seat cabin; side rack sliding rails are arranged on the two sides of the front end of the tail deck, and a pedal plate is arranged between the side rack sliding rails. The rowboat has the characteristics of compact structure, good streamline, small advancing resistance and the like, is integrally formed by a mold, is matched with preparation methods of three-layer material distribution, sectional medium-temperature curing and the like, has the characteristics of simple production process, environment-friendly production process, high production efficiency and the like, and can be widely applied to the technical field of rowboat production.

The invention relates to a paddle-type watercraft (1) comprising a propulsion system (Sys) with a blade (3), the blade-based propulsion system having a lever (2) connected by a joint to a structure of the watercraft (1). Towards a first end (21), the lever (2) is rigidly attached to a grip member (4), and towards a second end (22), the lever (2) is rigidly attached, beneath the hull (113) of the paddle-type watercraft (1), to the leading edge (31) of a blade (3). The lever (2) is made up of a first oscillating portion (2') that is articulated along an oscillation axis (Y-Y') arranged perpendicularly to the longitudinal axis (X-X') of the paddle-type watercraft (1). The lever (2) is also made up of a second, rotating portion (2'') that is rotatably articulated along a steering axis (Z-Z') located in the oscillation plane (Po) of the lever (2).

The utility model provides a kayak pedal device, and relates to the technical field of kayak devices, the kayak pedal device comprises a pedal device, a buckle, a spring and a rack track, the bottom of the pedal device is provided with a groove, the buckle is installed in the groove, one end of the spring is connected with the buckle, and the other end of the spring is connected with the pedal device; the rack track is arranged on the kayak and is provided with a plurality of racks; the buckle can be connected with a rack on the rack track in a clamped mode so that the pedal device can be fixed to the rack track. Through cooperation of the buckle, the spring and the rack track, rapid adjustment and firm fixation of the pedal device are achieved; a user only needs to press the buckle, the position of the pedal device can be easily adjusted, the friction force between the foot of the user and the pedal device is effectively increased through the design of an anti-skid structure on the pedal device, the sliding phenomenon in the using process is prevented, the safety and comfort of the user are guaranteed, and the requirements of kayak devices of different models can be met.

To provide a human power boat sailing by a vertical vibrating blade.SOLUTION: A human power boat by a vertical vibrating blade comprises: a buoyancy body 6 which is arranged on a water surface; a footboard which is arranged above the buoyancy body and on which a rider gets on; a propulsion blade which is connected to an axial member extending from the footboard and is arranged in the water; an auxiliary member which assists the vertical movement of the footboard; and a handle which is grasped by the rider, wherein the footboard moves downward when the rider steps on the footboard using his / her weight and the propulsion blade sinks, so that the propulsion force heading forward is generated, and the footboard moves upward by assistance of the auxiliary member when the rider gets off from the footboard.SELECTED DRAWING: Figure 1

The utility model discloses a canoe pedal type paddle structure which comprises a fixing plate, a first chain wheel and a second chain wheel, the first chain wheel and the second chain wheel are rotationally arranged in the fixing plate, the outer walls of the first chain wheel and the second chain wheel are sleeved with chains, installation rods are installed at the front end and the rear end of the first chain wheel, and pedal rods are arranged at the front ends of the installation rods. A pedal plate is rotatably arranged at the lower end of the pedal rod, an adjusting structure is arranged at the upper end of the pedal plate and comprises an adjusting plate, a locking plate is installed on the front side of the lower end of the adjusting plate and slides in the pedal plate, a locking block is fixedly arranged at the front end of the pedal plate, and two movable rods are slidably arranged in the locking block; the outer walls of the rear ends of the two movable rods are sleeved with springs, and clamping plates are fixedly arranged at the rear ends of the two movable rods. According to the pedal type paddle structure of the kayak, it can be guaranteed that the feet of an operator can be placed more stably.

A propulsive device for watercraft, for example an oar or a paddle, includes a handle 2 for pulling and pushing at least one blade, through water adjacent to the watercraft to create propulsive force. The device further comprises a blade 1 and an attachment means for attaching the blade to an end of the handle such that the blade is held at a predetermined angle of between 60 and 120 degrees relative to a reference line running through the long axis of the handle when measured in a vertical plane coincident with said reference line. The blade is additionally held orthogonal to the reference line when measured in a second plane coincident with said reference line and set at 90 degrees to said vertical plane. The device may comprise additional blades, vertical fins 3. The device may be disassembled, folded , have an adjustable length to enable storage. The device may have a cranked, or offset handle or incorporate additional buoyancy means.

Shown and described is a hybrid roller (1) for a roller seat (20) of a rowing boat, comprising: a bearing element (3), and a roller body (4), wherein the roller body (4) surrounds the bearing element (3) at least in sections, wherein the roller body (4) has an outer section (5) and an inner section (6), wherein the outer section (5) has a roller body contact surface (7) for at least partially contacting a roller rail (2) for a rowing boat, and wherein the inner section (6) surrounds and / or contacts the bearing element (3) at least in sections. In order for the hybrid roller (1) to have reduced friction and at the same time offer a certain level of seating comfort, it is proposed that the outer section (5), preferably the roller body contact surface (7), at least in sections have a higher modulus of elasticity than the inner section (6).Also described is a rolling seat (20), a rolling rail (2) and a rolling seat storage system for a rowing boat.

The invention discloses a pedal pleasure boat capable of being driven by two persons, particularly relates to the technical field of entertainment and sightseeing boats, and solves the problems that in the prior art, most of the two-person pedal boats are of simple driving structures, and when one person provides power or a downstream boat does not need to provide power, the driving force is poor. The pedal shaft at the position where the tourist is located can rotate along with the rotation of the propeller if both feet are not put on the pedal plate, so that the tourist is affected when appreciating the scenery along the way and having a rest. According to the technical scheme, the system is divided into a main driving position and an auxiliary driving position, the system can be automatically switched into a double-person driving mode without manual operation, and the main driving position has the higher control right for a ship than the auxiliary driving position; according to the invention, the requirement for tacit consciousness during double-person driving is improved, and a sense of achievement of mutual cooperation at a higher level is provided for tourists.

The invention relates to a paddle (1) for locomotion using a water sports device, in particular a single-bladed paddle, comprising a paddle shaft (2), a paddle blade (4) provided at a first end (3) of the paddle shaft (2), and a buoyancy body (5), wherein the paddle blade (4) has a front face (6) and a rear face (7), and the front face (6) of the paddle blade (4) is the face on which the water pressure acts during the paddle stroke. The paddle is characterized in that the buoyancy body (5) is provided on the front face (6) of the paddle blade (4), and the buoyancy body (5) on the front face (6) of the paddle blade (4) has a face which faces away from the paddle shaft (2) and which is equipped with an impact surface (8) for pushing on the water during a paddle stroke, said impact surface extending at an angle α to the paddle blade (4).

A transmission for a human-powered vehicle. The transmission has a primary system that includes a transmission case, a crankshaft with cog, a pair of receiver cranks, a pair of connecting rods, a pair of oscillating driver cranks, and a pair of pedals. A secondary biasing system is engaged with the primary system to provide a favorable torque around dead centers of the primary system. The transmission 150 may be configured to transmit power by driveshaft, chain, or belt to drive a wheel or propeller. In a watercraft application, an operator alternatingly applies force to a pair of pedals while seated close to the floor of a kayak 145. Power from the transmission is transmitted through a steerable lower gear case 134 via a propeller to propel the craft. The operator maneuvers the craft by means of a control lever 135 operably connected to the lower gear case by cables 136.

The utility model discloses a rubber dinghy with an oar fixing mechanism, and relates to the field of rubber dinghy, the rubber dinghy comprises a dinghy body and an oar, a supporting assembly is arranged between the oar and the dinghy body, two locking assemblies are arranged on the outer surface of the dinghy body, and the supporting assembly comprises a fixing plate, a sliding block, a fixing block, a T-shaped rod, an inserting pipe and a clamping strip. The locking assembly comprises a mounting block, a rotating block, a lifting plate, a connecting plate, a pressing block, a connecting rope and a spring, locking and unlocking of a clamping strip are achieved through a threaded pin, a sliding block is fixed through cooperation of the clamping strip and a clamping groove in the outer surface of a fixing plate, and the position of a paddle supporting part is adjusted through movement of the sliding block; therefore, the position of the paddle can be adjusted according to the personal habits of a user, the user can use the paddle conveniently, the paddle is clamped and locked through the rotating block, when the paddle extrudes the pressing block, the pressing block drives the connecting rope to pull the rotating block, the rotating block is further locked, the paddle is prevented from falling off, and the locking strength is improved.

A sport apparatus, including a handle, an action portion, a connection portion connecting the handle to the action portion, at least part of the connection portion including a structural battery, the structural battery including one or more energy storage devices, each of the one or more energy storage devices having at least one anode core of a continuous carbon fiber, an electrolyte arranged on the at least one continuous carbon fiber core, and a cathode layer coating arranged to the at least one continuous carbon fiber core on the electrolyte, and at least one sensor unit electrically connected to the energy storage devices, the at least one sensor unit providing signals related to use of the sport apparatus.

An aquatic device comprises: a bicycle (1), propulsion means (5) suitable to be actuated to move and steer the aquatic device (100) and a fixed frame (4) comprising floating means (3); the bicycle (1) is mounted to slide relative to the fixed frame (4); the aquatic device (100) comprises: movement means (9) connected to the bicycle (1) so that the bicycle (1) can perform upward and downward strokes relative to the fixed frame (4) between a raised position and a lowered position, transmission means (8) connected to the movement means (9) and connectable to a pedal assembly (14) to transmit motion from the pedal assembly (14) to the movement means (9), and enabling / disabling means (7) to enable / disable the transmission means (8).

To provide a paddle gripping aid that increases the range of motion of a user's arms during the process of paddling a paddle. [Solution] The gripping aid of the present invention is a gripping aid for a paddle that is attached to the shaft of a paddle, and includes a protrusion that is sandwiched between a first finger and a second finger of a user of the paddle when the user grips the shaft, and an attachment part that attaches the protrusion to the shaft so that the protrusion protrudes from the shaft. The protrusion protrudes from an outer circumferential surface of the attachment part, and when the attachment part is attached to the shaft, the inner circumferential surface of the attachment part is in contact with the outer circumferential surface of the shaft and is configured to cover at least a portion of the shaft in the circumferential direction.