230 results about "Surfboarding" patented technology

The invention discloses a fire-retardant ASA material and a preparation method thereof. The fire-retardant ASA material is prepared by the following components in accordance with the weight percentage: 72 to 82 percent of ternary graft copolymer which consists of acrylonitrile, styrene, and acrylic ester; 2 to 7 percent of flexibilizer, 12 to 18 percent of tetrabromobisphenol A, 3.0 to 7.0 percent of antimony trioxide, 0.3 to 0.5 percent of UV absorber, 0.1 to 1.0 percent of antioxidant, and 0.3 to 0.7 percent of lubricant. The fire-retardant ASA material not only has good fire-retardant property, but also maintains original toughness and weatherability of the ASA material, and can be widely used in the automotive field, electrical and electronic field, architecture field and other fields, for example, the use in the production of external parts such as automobile exterior mirrors, radiator grilles, tailgates, lampshades and the like, motorcycle panels, camping cars, small hulls, surfboards; all-weather shells such as sewing machines, telephones, kitchen equipment, satellite antennas, and the like; and can also be used in advanced bathrooms, hygiene products, and hot and cold water switches.

This invention relates to a surfboard used antiskid wax and manufacturing method. According to weight it is composed by 50% to 85%wax substance, 10% to 30%tackifier, 0.5% to 20%plasticizer, 0 to 25% dispersant and 0 to 30%inorganic filler. First molten wax substance, then add tackifier, plasticizer and dispersant, heat and whip till complete fusion, add inorganic filler, then keep temperature at 100 deg.C, intensive mixing, discharge, cooling and moulding, then gain product. This antiskid wax possess very strong viscosity and tenacity, wax layer has strong tenacity and unafraid of scrape; Furthermore wax layer is unable to occur self-slide, unable to change soft while using.

The present invention is about a surfboard, especially the one that can measure the surfing speed by itself. This “surfboard with the function of speed measurement” comprises a surfboard body and a speed meter fitted to the surfboard body that can measure the surfing speed by itself and record the surfing speed and relevant data. Advantages of this invention would be no need for additional speed measuring devices and assistance from other people. The surfer can obtain the surfing speed and relevant data while surfing, which will be shown on the LCD display screen on the surfboard.

The invention discloses a modular water sports device. The modular water sports device includes a surfboard module, a driving module and a power module. The surfboard module includes a board body. Thedriving module includes a motor and a propeller connected to a driving shaft of the motor, and the driving module is detachably connected to the board body. The power module includes a battery, the power module is detachably connected to the board body, and the battery and the motor are electrically connected. The modular water sports device integrates the components related to a same function into the corresponding functional modules, such as the surfboard module, the driving module and the power module, and the driving module and the power module are both detachably connected to the surfboard module. Compared with a method of directly and loosely assembling the components, the modular water sports device can reduce the difficulty of assembly and facilitate later disassembly and maintenance.

A hydrofoil (1), particularly suitable for kite surfing and jet skiing, comprises a keel fin (3) having a first end portion (7) for fastening to a board, and a front wing (5) and a rear wing (6) which are arranged one behind the other in the travel direction and are connected to a second end portion (8) of the keel fin (3). A connecting rod (4) is situated on the second end portion (8) of the keel fin (3) and detachably connects the wings (5, 6) to the keel fin (3). A plate (20) is situated on an outer side of the keel fin (3) and on an outer side of at least one of the wings (5, 6), and via detachable fastening means (21) is braced to the connecting rod (4) so as to detachably fasten at least one of the wings (5, 6) to the keel fin (3).

The invention discloses an electric control system of a powered surfboard and in particular relates to an electric control system of a combined powered surfboard. The electric control system of the combined powered surfboard comprises a controller with a single chip, and a control handle with a multi-purpose control switch and a throttle trigger position sensor; the control handle is connected with the controller by use of a cable, and a detachable waterproof cable joint is arranged in the middle of the connecting cable, and therefore, the control handle of the control system can be arranged on the front board part of the combined powered surfboard, and other parts such as the controller can be arranged on the rear board part of the combined powered surfboard, and consequently, the front and rear board parts can be separated from each other when the combined board is not used so that the board placement length can be reduced and the purposes of convenient carrying and use are achieved.

A surfboard with a surfboard body (1) extending along a longitudinal direction (L) and having an upper surface and a bottom surface. An electrical battery pack (2) is removably positioned in an upper compartment accessible from the upper surface. An electrically driven water-jet configured to propel the surfboard is provided with electrical power from the electrical battery pack. The electrically driven water-jet is provided in a propulsion module (3) that is removably positioned in a lower compartment accessible from the lower surface. The upper compartment and the lower compartment partly overlaps each other as seen along the longitudinal direction (L).

Disclosed is a mount for attaching objects, like cameras and bindings to the surfaces of a surfboard. Further disclosed is related methods of fabricating or retrofitting a surfboard with said mount. The more specific details of the disclosed mount and related methods are described in connection with the figures.

The invention discloses an adjustable jet propulsion device capable of being installed on a surfboard. The adjustable jet propulsion device comprises two pressing plates and two clamping blocks whichare symmetrical in the left-right direction, a clamping mechanism capable of clamping and fixing the pressing plate and the clamping block to the left side and the right side of the sliding plate is arranged between the pressing plate and the clamping block. An extending mechanism capable of freely adjusting left-right extending to adapt to the left-right width of the sliding plate is arranged between the left clamping block and the right clamping block. A connecting block is fixedly arranged on the lower side of each clamping block; the lower side of each connecting block is connected with aconnecting body in a sliding manner; the device can be used on the surfing skateboard, not only can advance in an accelerated mode on the stormy-wave-free water surface in an air injection propellingmode, but also can control and adjust to stop air injection when surfing and turning are conducted, so that the deceleration effect is achieved, the controllability is improved, the clamping applicability of the device is high, and the device can be installed in cooperation with different kinds of skateboards.

The invention discloses a surfboard with the structure improved. A hollow cavity is formed in a ship body of the surfboard, an opening communicated with the outside is formed in the upper side surface of the hollow cavity, an upper cover can cover the upper side of the opening in a detachable fixed mode, an engine is fixedly disposed in the hollow cavity, the engine is located at the opening of the hollow cavity and covered with an engine decorative cover in a detachable fixed mode, and the lower side surface of the engine decorative cover is closely attached to the surface of the engine. According to the surfboard, an engine decorative sheet is added to the opening of the hollow cavity, the whole structure of the position of the engine in the hollow cavity of the ship body is beautified, tidy and refreshing, the engine decorative sheet has thermal insulation and soundproof effects, a good operating environment during usage of the surfboard is guaranteed for an operator, the engine decorative sheet plays a role in guiding airflow entering the hollow cavity, and the working stability of the engine is improved.

A cable lock coupling is part of a surfboard locking system. The coupling includes a housing, a pin, a ring and jaws. The pin is slidably fitted in the housing and is movable between a first position and a second position. The ring is coupled to a first end of the pin, is sized/shaped to slidably fit only in a first portion of the housing, and is able to receive a cable lock's cable therethrough when it substantially protrudes from the housing when the pin is in the first position. The jaws, coupled to a second end of the pin, are free to open when the pin is in the second position, and are forced to close when the pin is in the first position. The cable portion of a cable lock is passed through the ring protruding from the housing when the pin is in the first position.

An elongate board which produces increased lift when moved through a fluid such as air or water. The elongate board includes a main body with an opening in its central region. A plurality of transverse wing sections are mounted in tandem in the central opening along the longitudinal axis of the main body. Between each wing section is an open slot allowing the fluid to flow over the wing sections, creating a lifting force on the elongate board. The elongate board may be utilized in many different sports requiring the use of a ski or board, such as water skiing, snow skiing, surfboarding, snow boarding, and sky surfboarding.

The invention discloses an inflatable surfboard composite material and a preparation method thereof. The composite material comprises a high-strength space cloth layer, two surfaces of the high-strength space cloth layer are symmetrically and sequentially provided with second pasting layers, first pasting layers and TPU fiber cloth reinforcement layers from the inside out. Each TPU fiber cloth reinforcement layer sequentially comprises a TPU surface film layer, an adhesive layer A, a base cloth layer, an adhesive layer B and a TPU base film layer; the high-strength space cloth layer is formedby one of high-strength polyester fiber space cloth, high-strength nylon fiber space cloth and high-strength aramid fiber space cloth; and the base cloth layer is formed by one of high-strength polyester fiber cloth, high-strength nylon fiber cloth and high-strength aramid fiber cloth. The surfboard made of the composite material provided by the invention has the advantages of large buoyancy, highstrength, good resilience, weather resistance, bacteria resistance, oxidation resistance and ultraviolet resistance, beautiful appearance, portability and the like.

The disclosure generally relates to generating lighting in an efficient way while in the outdoors. The designs are meant to maximize the amount of light generated, by the smallest assembly that is rugged to use in general outdoor activities and water sports. Further designs are related to hands-free mounting capabilities on outdoor equipment such as bikes, surfboards, snowboards and other similar equipment. Additional features include various filters, waterproofing, recharging or lighting differences which provide greater visual or photographic advantages to the user.

Disclosed is an electric surfboard that can determine whether or not a user is on board while the surfboard is working, and if not, can stop operation of the surfboard, and that can naturally cool heat generated from a control unit and a motor unit. The electric surfboard includes a surfboard housing, foot bindings which are put on a user, a step-out detecting unit for creating a magnetic field and attracted to the housing by a magnetic force, as well as being physically coupled to an ankle strap, in which if the user steps out of the surfboard, the step-out detecting unit being detached from the housing, thereby detecting step-out of the user, and a control unit receiving a step-out detecting signal outputted from the step-out detecting unit to send a signal for stopping operation of the surfboard.

A fin for use on a surfboard, the fin comprising: a leading edge, a trailing edge, and a base, the base comprising at least one mount for mounting the fin onto a surfboard; a first and a second outer fin surface which meet along the leading edge and the trailing edge and abut the base; and a first ridge protruding laterally from the first outer fin surface, and/or a second ridge protruding laterally from the second outer fin surface; wherein the shape and configuration of the fin creates an area of lower water pressure around and in front of the fin, as well as disrupting and/or reducing the size of trailing vortices, resulting in additional forward thrust for the board on which the fin is mounted.