Abstract: A watercraft in the form of a body board comprising a planar body and a display unit adapted to display at least one animated image. The image is disposed at a bottom side of a lenticular lens. Each of the frames comprise an image of a head of a shark having a mouth opened at a predetermined width, thereby forming an animated image of the shark moving mouth so as to repel sharks. The display unit comprises a digital display, a controller and a power supply unit wherein the controller comprises memory for storing images and controls the images for displaying on the digital screen. The digital display comprises LCD. The supply unit comprises a solar power panel disposed on the top surface of the watercraft.

Abstract: A waterboard with externally adjustable stiffness includes a stringer assembly having a rotatable beam to modulate the stiffness of the beam in a selected direction to impart a desired stiffness to the waterboard.

Abstract: The present invention describes a versatile body board having a fore section and an aft section suitable for wave boarding. The multi-purpose board of the present invention is provided with an aft section having crotch-sized width in order to allow a user's legs to kick within a general lateral outline of a wider fore section. The combination board can be utilized for wave boarding and body boarding.

Abstract: A sports board comprises a top surface for supporting a rider, a bottom surface, a leading edge portion and a following edge portion with a central axis extending between the leading edge portion and the following edge portion, a first side edge portion and a second side edge portion located on respective first and second lateral sides of the central axis of the sports board. The lateral width of the sports board between the first side edge portion and the second side edge portion may be equal to, or greater than, the distance between the leading edge portion and the following edge portion. A first-side part of the bottom surface may be inclined upwardly towards the first edge portion, and a second-side part of the bottom surface may be inclined upwardly, in a lateral direction, towards the second edge portion.

Abstract: A slider includes a foam board, a top layer and a bottom layer. The foam board is a polystyrene foam board that is easily formed and molded. Furthermore, a bottom of the foam board has a rail portion protruded with a plurality of foam rails therefrom and the foam rails are parallel with each other. In addition, the top layer and the bottom layer are made of polyethylene materials and comprise interface coatings respectively, so that the top layer and the bottom layer made of polyethylene could heat bonded to the polystyrene foam board without adhesives by the first and second interface coatings.

Abstract: Rolling member comprising a track (2) and a moving part (1) able to move relative to the track (2) and designed to form a rolling strip (10) travelling in a closed circuit, said member being characterized in that the moving part (1) comprises a flexible and continuous movement bead, and the track (2) is designed to guide the moving part (1) along a skew path of variable curvature.

Abstract: A motorized surfboard comprises top and bottom shells. The top shell comprises recesses that may contain motors, batteries, and motor controllers. The bottom shell comprises recesses that may contain one or more impellers. The impellers may be connected to the motors by shafts that extend through passageways between recesses in the top and bottom shells. The motors may be controlled by the user with various hand, arm, or leg motions. This may be accomplished by providing an accelerometer on the user. Orientation and motion sensed by the accelerometer may be translated to motor commands and these commands may be transmitted wirelessly to the motor controllers.

Abstract: A board assembly for kitesurfing and/or kiteboarding includes an elongated board for traversing a supporting surface while a person is riding the board and apparatus for changing the orientation of the person's feet relative to the different ends of the board. Such apparatus includes a deck that is rotatably attached to the board, foot receptacles coupled to the deck and a device for facilitating rotation of the deck between different stationary positions relative to the different ends of the board while the board is traversing the supporting surface. The device for facilitating rotation temporarily locks the deck in one of the stationary positions upon the deck having been rotated to the one of stationary positions. The device for facilitating rotation responds to motion of the person's feet by causing the deck to be released from retention in the stationary positions.

Abstract: A body board (1) is provided having a cavity (2) into which reinforcing elements (4) may be interchangeably inserted through an opening (3) by the user to vary the flexing characteristics of the board. The reinforcing elements may be provided with securing parts adapted to engage with a retainer in the board to securely hold the reinforcing element in place.

Abstract: An aquatic gliding board such as a surfboard is constructed using a honeycomb material for the core. The composite outer skin of the surfboard is constructed of materials having similar flexibility properties as found in a traditional foam/fiberglass surfboard. In a particularly preferred embodiment an aluminum honeycomb core is employed along with a fiberglass skin in order to achieve a surfboard with decreased weight and increased strength to resist failure in bending relative to a traditional foam/fiberglass surfboard, but having similar flexibility characteristics to such a traditional surfboard, or having increased flexibility relative to such a traditional surfboard.

Abstract: A surfing board and method for manufacture that include the cutting and bending of a buoyant material to a flat arch with a concave upperside and a convex underside to define an elongated body. T-shaped longitudinal cutouts extend from one end to the other along the upperside and underside, respectively. The T-shaped longitudinal cutouts are kept at a substantially parallel and spaced apart relationship with respect to each other with the vertical leg of the T-shaped cutouts coplanarly disposed opposite to each other and the crossed legs of the T-shaped cutouts substantially flush with the upperside and underside, respectively. Two elongated reinforcement core members are longitudinally coextensive with the body and being mounted within, and conforming to, the cutouts that are kept at a substantially parallel and spaced apart relationship with respect to each other.

Abstract: A device for attachment to the deck of a surfboard or paddleboard for making paddling a surfboard or paddleboard more comfortable and easier to paddle. On a surfboard the device can also assist in attaining proper speed and so that a surfer can more easily “pop-up.” The pop-up assist generally comprises a main body having a generally wedge shape attached to the deck of the surfboard generally where the lower chest or abdomen of the surfer, makes contact with the board. The pop-up assist generally creates a wedge between the body of the surfer or paddler and the deck of the surfboard, lifting the user's upper chest, neck and, head up from the deck of the board. The pop-up assist can also be collapsible, so that the obstruction of the wedge on the board is removed once the user “pops-up.

Abstract: A sports mat includes a foam sheet, a patterned laminate and a skid proof layer. The foam sheet is made of polyethylene foam. The patterned laminate includes a first plastic film, a second plastic film and a pattern. The first plastic film is laminated on top of the foam sheet. The second plastic film is laminated on top of the first plastic film. The pattern is placed in between the first plastic film and the second plastic film and visible from outside of the sports mat. The skid proof layer is coated over the top surface of the second plastic film. Additionally, the skid proof layer together with the pattern laminate and the second foam layer defines a plurality of indentations and protrusions spread over a top surface of the skid proof layer so as to strengthen connection therebetween.

Abstract: An aquatic gliding board such as a surfboard is constructed using a honeycomb material for the core. The composite outer skin of the surfboard is constructed of materials having similar flexibility properties as found in a traditional foam/fiberglass surfboard. In a particularly preferred embodiment an aluminum honeycomb core is employed along with a fiberglass skin in order to achieve a surfboard with decreased weight and increased strength to resist failure in bending relative to a traditional foam/fiberglass surfboard, but having similar flexibility characteristics to such a traditional surfboard, or having increased flexibility relative to such a traditional surfboard.

Abstract: Disclosed is a surfboard (10) comprising a foam blank (10), rails (14) formed using carbon fiber materials (22) on the blank, and a fiberglass laminate enveloping the rails and blank. Alternatively, the blank and rails may be enveloped in a thermally active PVC or similar material.

Abstract: A wakeboard binding assembly includes a binding base and an outersole. The binding base is adapted to attach both to the wakeboard, and an upper of the binding. The outersole is designed to surround the periphery of the binding base and cover the area of attachment between the binding base and the binding upper. The attachment of the upper to the binding base eliminates the need to use hardware and fasteners for attachment of the upper to the wakeboard.

Abstract: A sports board binding and foot traction apparatus for use in sports boards such as surfboard, skateboard, wakeboards, and the like. The apparatus includes a sports board having a deck and a bottom and at least one cutout box disposed in one or both of the deck and bottom. One or more permanent magnets is disposed and retained in one or more of the cutout boxes to form a magnetic region on the deck of the board. An article of sports footwear having a sole is provided, and a ferromagnetic plate is disposed in at lest a portion of each footwear sole. When the footwear is brought into proximity with the magnetic field, a binding force is applied to the footwear and the wearer is thereby enabled to manipulate the sports board in ways not possible without the inventive apparatus.

Abstract: A contoured composite locking system incorporates an installation cup (10) mountable within a foam core structure of a foam composite surface and having means for engaging the foam core. A plug (12) is installed within the receiver cup, the plug incorporating an eyelet (18) for the shank of a restraint and a contoured cap (16) to preclude interference with or injury to a user.

Abstract: The present invention provides an improved aquatic body surfing board for use by a rider in prone position. The nose of the board has a substantially semi-circular or semi-elliptical outline that defines the maximum width of the board. The under surface of the board is provided with one or more longitudinal channels extending from the forward midsection of the board to the trailing end, wherein such channels provide stability and maneuverability to the board in the waves. The upper surface of the board optionally comprises a shallow concave depression sized to accommodate the width of the body of a user.

Abstract: A slider resists erosion due to moisture, dirt and ultraviolet of sunlight and protects a pattern or the bonded surface from wear and tear. The slider contains a foam core, a top layer, a pattern, and a bottom layer. The foam core has a top surface, a bottom surface and edge surfaces. The top layer is a composite layer heat laminated to the top surface and edge surfaces of the foam core. The pattern is formed within the top layer and visible from outside of the top layer. The bottom layer is heat laminated to the bottom surface of the foam core.

Abstract: An aquatic device is provided which has a light-emitting surface. The device (101) is equipped with a light guide (105) adapted to adsorb light impinging on a first surface (113) of the device, and to emit light from a second surface (115) of the device.

Abstract: Human powered watercrafts, propulsion devices, and propelling methods are provided. A watercraft having a deck is configured with a first rocker having graspable input arm above-deck and a lower output arm, the first rocker being pivoted to the craft, the output arm connecting a push-bar at a first end and the push-bar having a second end connecting a second rocker, the second rocker having input and output arms, the output arm of the second rocker having a propelling fin, the second rocker being pivoted to the watercraft. The watercraft may have a third rocker, fin, and pivot, and more. Users stand upon deck, grasp the first rocker's input arm and vertically thrust the rocker to propel. The invention further comprises a device for human powered propulsion remove-ably attachable to watercrafts, especially small boats, and surfboards, and for propelling them from a standing position by human power.

Abstract: A rudder of aquatic carrier is described, which includes a fixing component, a retractable component, and a first elastic component. The retractable component is pivoted to the fixing component; the first elastic component connects the fixing component and the retractable component and supports the retractable component. When the retractable component experiences an external force, the first elastic component is compressed and causes the retractable component to rotate with respect to the fixing component. When surfers or swimmers are hit by the rudder of aquatic carrier described in this invention, the rotation of the retractable component with respect to the fixing component reduces the force exerted on them, thus preventing them from being hurt. In addition, an aquatic carrier with a rudder is also described.

Abstract: Provided are methods and compositions for providing strength and/or rigidity to lightweight materials. In certain embodiments, provided are compositions and methods for providing strength, rigidity and/or improving performance of flotation devices such as surfboards.

Abstract: An improvement to a conventional surfboard includes an impeller and an electric motor contained primarily within the body of the surfboard, whereby performance of the surfboard is substantially unaffected by the presence of the impeller and the electric motor. The electric motor is operatively connected to the impeller for providing a forward thrust of the surfboard. The improvement to the conventional surfboard also includes a throttle for selective control of the electric motor for operating the impeller to provide a forward thrust of the surfboard, the throttle being configured for use by a surfer lying in a prone position on the smooth top surface of the body of the surfboard. An extent of the surfer's energy that otherwise would be expended during paddling can be preserved for riding waves by using the impeller to provide the forward thrust during paddling.

Abstract: A sectionalized surfboard, which can be dismantled into sections and rejoined for use. The sections are joined using one or more metal hooks and metal plates with slots in each section on the bottom of the board. On the top of the board there are one or more pairs of top metal plates in each section joined by a vertically installed bolt(s). Inserting the hook(s) into the slot(s) in the bottom metal plate(s) connects the bottom of the board. The top of the board is connected by a bolt passing vertically through a hole in one section's top metal plate and screwed into a threaded hole in the other section's top metal plate. The metal plates extend into the board and are securely bonded to the skin and foam of the boards. The metal plates can also be bonded to any board stringers. In a second version the top is joined using two bolts. Both sections have threaded holes in their top metal plates. A separate third metal plate with two holes is used with the two bolts to join the top of the board.

Abstract: Through which it will be possible the change of different parts that will provide, on just one surfboard, vary the tail format in a way that it could incorporate tails with pin, round, swallow, and other formats, giving a major diversification to the use of the sport equipment, according to the conditions of the sea and/or the operations that the athlete would like to execute in the projection of the wave line, so this element will be installed in the back part of the block of the board shaped and adjusted in relation to the lines of shape, so that, after the lamination, the so called change could turn an integrated part, the setting up of this element will provide a faster, simpler and quicker way the replacement of format of the tail with the objective to change the line of the format of the rear part of the surfboard, transforming it according to the needs of the athlete and done by himself before starting the practice and also according to the sea conditions, so that he could do with a simple tool the nec

Abstract: A retaining structure for a surfboard fin includes a mounting base secured in the undersurface of a surfboard, a fin member and two blocks. The mounting base has a receptacle and two holding portions. The fin member has a connecting section to be embedded in the receptacle of the mounting base and a body section extending from the connecting section. The body section of the fin member protrudes outside the undersurface of the surfboard and has front and rear ends inclined outwardly. Each block is detachably mounted on the respective holding portion of the mounting base and defines a recess in a side according to the slope of the respective inclined end of the body section so that the inclined ends of the body section can be fitted in the recesses of the blocks and suppressed by the blocks and thereby be secured onto the mounting base.

Abstract: A disengageable surfboard that starts out as a long, paddle-sized board that a surfer uses, either in the standard prone position or standing with a paddle, to enter the surf. Once the surfer has used the board to catch a wave, he or she quickly releases the back portion of the board, typically made of a soft foam, through a quick move of his or her foot, leaving the surfer with a smaller, higher performance surfboard that would have been initially difficult for the surfer to catch without the extra length afforded through the disengaged piece.

Abstract: A shark-repelling surfboard or flotation board made of polymer foam with coating. The surfboard or the flotation board has a locator device for locating large aquatic animals, and an alarm device for alerting a rider of large aquatic animals, such as sharks, located by the locator device. The surfboard or the flotation board also comprises a repellent or deterrent signal generator that is configured for transmitting interference signals to disrupt the electro-sensory perception system of the aquatic animals.

Abstract: An improvement to a conventional surfboard includes an impeller and an electric motor contained primarily within the body of the surfboard, whereby performance of the surfboard is substantially unaffected by the presence of the impeller and the electric motor. The electric motor is operatively connected to the impeller for providing a forward thrust of the surfboard. The improvement to the conventional surfboard also includes a throttle for selective control of the electric motor for operating the impeller to provide a forward thrust of the surfboard, the throttle being configured for use by a surfer lying in a prone position on the smooth top surface of the body of the surfboard. An extent of the surfer's energy that otherwise would be expended during paddling can be preserved for riding waves by using the impeller to provide the forward thrust during paddling.

Abstract: A personal water sports board with a wave engager operably secured thereto for operation in a flow of water, such as a boogie board and the like, is disclosed. The wave engager has a wall shaped to allow water to flow freely thereby in one direction, but to operably engage water flowing from an opposite second direction thereby propelling the board in that opposite second direction. Disclosed embodiments include wave engagers formed of indentions and/or protrusions along the water engaging surface of the board. Preferably, a plurality of wave engagers are provided, and the height of each wave engager's wall increases the further it is positioned toward the front of the board. Wave engagers are preferably positioned on the lower surface and/or on the left and right sides of the board.

Abstract: A surfboard having at least one fin, which an be removably connected to the underside proximate to the board tail end. First and second graduated channels are disposed in the underside, each having a front end shallower than a tail end, wherein the front ends are proximate to the board midsection and the tail ends are proximate to the board tail end, and wherein the graduated channels are substantially parallel to the central axis of the surfboard. A keel is disposed in the underside along the central axis, centered between the first and second graduated channels.

Abstract: A surfboard includes a board member for supporting a user and having two depressions formed in the rear portion and the upper portion of the board member and inclined rearwardly from a front end toward a rear end, and having a swelling formed between the depressions of the board member, and a performance enhancing device is formed in an outer side portion of each of the depressions of the board member for enhancing performance and higher directional control, increasing power when exiting a turn and the ability to hold its place higher upon the wave face, reducing sideslip, thereby allowing the board member to be effectively maneuvered or controlled by the user.

Abstract: A surfboard antislip pad structure including a main body composed of an upper pad and a lower pad. The upper and lower pads together define an air chamber in the main body. The upper pad has a top face and a bottom face. At least multiple bosses are formed on the top face of the upper pad. Each boss has a surface with roughened face or wrinkled texture for increasing friction. Multiple ribs are arranged on an inner face of the upper pad to enhance supporting force thereof. The lower pad is configured as a flat material and sealedly disposed under the bottom face of the upper pad for holding air in the air chamber so as to achieve a soft, comfortable and resilient antislip pad.

Abstract: A foam product includes a foam core, a foam buffer and a foam skin. The foam core includes a top surface and a bottom surface and defines at least one recess in an area of the top surface wherein the area is to be imparted during use with respect to other areas of the top surface. The foam buffer is more elastic than the foam core and is securely received in the recess of the foam core. In addition, the foam skin is bonded to and entirely covers a top surface of the foam buffer and the other areas of the foam core.

Abstract: A wave riding board comprises at least one portion made of a plastics material that can switch between a condition in which it is transparent or translucent and a condition in which it is substantially opaque and switching for switching the plastics material between those conditions.

Abstract: A shaped inflatable water sports board is presented. The inflatable water sports board includes an airtight elongated housing having a predetermined shape. An internal structure is contained within the housing for substantially maintaining the predetermined shape when the board is inflated. An inflation valve is provided for inflating the board where when the board is inflated the board is sufficiently rigid to maintain the predetermined shape under the weight of an adult.

Abstract: A slider includes a foam core, a first foam skin, a second foam skin, a plurality of third foam skins, a patterned laminate and a plastic board. The foam core is encased by the first, second and third foam skins. Specifically, the first foam skin is laminated to a top, a front edge and a rear edge of the foam core. The second foam skin is laminated to a bottom of the foam core. The third foam skins are laminated to side edges of the foam core respectively. The patterned laminate includes an outer plastic film, an inner plastic film and a pattern. The inner plastic film is laminated to a top of the first foam skin. The pattern is laminated between the inner and outer plastic films and is visible from outside of the outer plastic film. In addition, the plastic board is laminated to a bottom of the second foam skin.

Abstract: A locking device for a watersports apparatus which in one embodiment, comprises a pair of interlocking brackets which form an inverted “T” when slidably disposed in a channel associated with a fin box. Apertures are provided to allow a cable or other security device to traverse the inverted “T” locking device for securing the watersports apparatus. In a second embodiment, a pair of generally planar scissor members having a pair of unguiform clasping elements aligned in opposition and configured to clasp a rod disposed in a tether plug aperture by scissor action. Useful watersport tools may be provided on the distal ends of the generally planar scissor members. The useful tools include a screwdriver, a wax comb, a bottle cap opener and a wax scrapper.

Abstract: The invention relates to a slider and a method of making the same. The slider comprises a bottom plate, an inner core, and a skin plate. The inner core has a bottom surface and a top surface, and is made of a foamed plastic. The bottom plate and the skin plate are bonded to the bottom surface and the top surface of the inner core, respectively, to form a laminate, and thus the inner core is sandwiched between the bottom plate and the skin plate. The bottom plate is a multi-layer structure, comprising a foamed plastic layer, an adhesive layer, a fabric layer, an ink layer, and a composite casting layer, which are laminated downward in order from the bottom surface of the inner core. The skin plate is also a multi-layer structure, comprising a foamed plastic layer, an adhesive layer, a film layer, a corona treatment layer and an ink layer, which are laminated upward in order from the top surface of the inner core.

Abstract: A slider includes a foam board, a top layer and a bottom layer. The foam board is a polystyrene foam board that is easily formed and molded. Furthermore, a bottom of the foam board has a rail portion protruded with a plurality of foam rails therefrom and the foam rails are parallel with each other. In addition, the top layer and the bottom layer are made of polyethylene materials and comprise interface coatings respectively, so that the top layer and the bottom layer made of polyethylene could heat bonded to the polystyrene foam board without adhesives by the first and second interface coatings.

Abstract: An article such as a surfboard with a hollow structure and a production method thereof achieve a wide range of selections for users. The article is established with sufficient strength and durability, and is capable of achieving low cost and short delivery time. The article is configured by an outer shell having a hollow structure for forming an outer shape of a main body of the surfboard, a partition wall arranged within an internal space of the outer shell for connecting inner surfaces facing one another in said internal space, sectioned spaces separated and sealed by said partition wall and the inner surfaces of the outer shell, and a vent hole formed on said partition wall so that the sectioned spaces adjacent to one another can properly communicate with one another.

Abstract: A water sports board having enhanced flexibility includes an elongated core body having a nose end and a tail end, and top and bottom surfaces defining a curved shape of the water sports board; and an elongated planar stringer disposed on a longitudinal centerline of the core body. The elongated planar stringer has a front end and a rear end, two side surfaces, and top and bottom edges curved to a longitudinal profile of the water sports board, and includes multiple slots on the side surfaces disposed between the front and rear ends of the stringer. The flex pattern of the water sports board can be controlled by selecting desired number, size, shape, and location of the slots of the stringer. The water sports board has an increased rocker and enhanced shock dampening property when exposed to the force of water waves.

Abstract: A device for attachment to the deck of a surfboard or paddleboard for making paddling a surfboard or paddleboard more comfortable and easier to paddle. On a surfboard the device can also assist in attaining proper speed and so that a surfer can more easily “pop-up.” The pop-up assist generally comprises a main body having a generally wedge shape attached to the deck of the surfboard generally where the lower chest or abdomen of the surfer, makes contact with the board. The pop-up assist generally creates a wedge between the body of the surfer or paddler and the deck of the surfboard, lifting the user's upper chest, neck and, head up from the deck of the board.

Abstract: A device for attachment to the deck of a surfboard or paddleboard for making paddling a surfboard or paddleboard more comfortable and easier to paddle. On a surfboard the device can also assist in attaining proper speed and so that a surfer can more easily “pop-up.” The pop-up assist generally comprises a main body having a generally wedge shape attached to the deck of the surfboard generally where the lower chest or abdomen of the surfer, makes contact with the board. The pop-up assist generally creates a wedge between the body of the surfer or paddler and the deck of the surfboard, lifting the user's upper chest, neck and, head up from the deck of the board. The pop-up assist can also be collapsible, so that the obstruction of the wedge on the board is removed once the user “pops-up.

Abstract: One or more tubular carbon fiber stringers are axially aligned with the lengthwise dimension of a water sport board, such as a surfboard. A tubular carbon fiber stringer may have vertical shaping tabs reaching opposed major surfaces of the board and laterally extending tabs that register the stringer position inside of a board by fitting in Channels that tightly nest the stringer in the board. Tublar carbon fiber stringers, designed to extend more than half the length of a board, may be made by molding symmetric halves, then joining the halves together, or by winding carbon fiber around a mandrel, epoxying the fiber in place and removing the mandrel. Board blanks have openings to seat the tubular stringers, such as by seating in board halves, or a tubular stringer may be seated in an empty board blank mold with foam blown around the stringer.

Abstract: The present invention provides an improved board for transporting a human over water or snow with shock absorption means for reducing impact to body parts. Impact reduction leads to tolerance of faster speeds, better control of the watercraft, improved vision for guidance, and less harmful impact on the human body; in particular the knee joints and lower back.

Abstract: A method for forming a surfboard is provided. The method comprises adding a polyethylene mixture into a mold having one or more ventilation holes located therein. The polyethylene mixture comprises a blend of a polyethylene material and a foaming agent. The polyethylene material is in a form comprising at least one of a powder form, a pellet form and mixtures thereof. In addition, the method comprises heating the polyethylene mixture in the mold while rotating the mold for a pre-determined period of time and at a predetermined temperature. Further, the method also comprises cooling the mold for a predetermined amount of time, and wherein either a main body of a surfboard or an entire surfboard is then formed.

Abstract: A surfing trainer apparatus comprises a board and a generally hemispherical fulcrum with the fulcrum attached to the lower surface of the board at the fulcrum's diametrical plane. The fulcrum is made of non-resilient material and has second planar surface distal to its diametrical plane and parallel to the lower surface of the board providing both a simulated point of limited stability as well as simulated instability in both pitch and roll.