A method for manufacturing a skateboard, includes steps of: foaming an organic polymer material with steam with a temperature at a range of 160-180 C. to produce a foam board as the internal core board; sending the organic polymer material into an oven for heating to 190-210 C. to perform foam molding; cutting the foam board into an internal core layer; cutting the foam board into an upper surface layer and a lower surface layer; and then adhering the upper surface layer and the lower surface layer with the internal core layer together by EVA resin, and wrapping the internal core layer between the upper surface layer and the lower surface layer; printing a pattern layer on a surface of the plate body by laser printing; and casting a layer of the plastic film.

A gripping surface includes a plurality of projections extending away from the gripping surface and a plurality of voids between and defined by the projections. The gripping surface may be disposed on a support surface, such as a deck of a skateboard or a deck of a balance board. The projections may be formed by cutting the support surface with a router, such as a computer numerical control router. The projections may each comprise three or more angles surfaces, whereby angled surfaces of proximal projections are positioned at mirror angles of one another.

A skateboard and a variable-rate elastomeric steering control spring include a boardside unitary body formed of an exterior first elastomer having a first durometer on the Shore A scale, and an interior second elastomer coupled to the first elastomer and extending at least length of the exterior first elastomer, the second elastomer having a second durometer on the Shore A scale and a through hole disposed to receive a kingpin of the skate truck; a roadside unitary body formed of an exterior third elastomer having a third durometer on the Shore A scale, and an interior fourth elastomer coupled to the third elastomer and extending at least a length of the exterior third elastomer, the interior fourth elastomer having a fourth durometer on the Shore A scale and a through hole disposed to receive the kingpin; and wherein the first, second, third and fourth elastomers comprise at least two durometers on the Shore A scale between 65 A and 100 A to enable the boardside unitary body and the roadside unitary body to form the variable-rate elastomeric steering control spring when disposed on the kingpin of the skate truck.

Apparatus, systems, and methods in which a truck carrying member, for coupling a conventional truck to a skateboard, comprises a pivoting plate and optionally a base plate. For example, the base and pivoting plates are rotatably coupled at a pivot comprising an elastic flexible member that biases the pivoting plate to a default position (e.g., center of the base plate). Preferably, the base plate and pivoting plate each has a mounting surface and a pivoting surface that form an obtuse angle, such that the mounting surface of the pivoting surface extends downward. Another example of a pivoting plate comprises flexible members that allow the pivoting plate to tilt relative to the skateboard.

A steering axle unit (24) for chassis or skateboards, comprising a bearing block (1) and a steering axle body (98), wherein the bearing block (1) has a fastening plane (11) for fastening to a chassis or skateboard, particularly skateboard deck (52), wherein, in the assembled state, the fastening plane (11) is arranged on the chassis or skateboard particularly so as to be parallel to the designated direction of travel (25) of the chassis or skateboard, and wherein the bearing block (1) comprises a vertical axis CD (22) about which the steering axle unit (98) is arranged so as to rotate relative to the bearing block (1), an axle (8) that projects normally from the vertical median longitudinal plane of the bearing block (1) in the straight-ahead position being arranged on the steering axle body (98), wherein the vertical axis CD (22) is arranged on the median longitudinal plane of the bearing block (1) at an angle W1 (19) of less than 90 relative to the fastening plane (11) in the direction of the steering axle body (98), wherein the axle (8) is arranged at a normal distance (20) to the vertical axis CD (22), and wherein the axle (8) is arranged in front of the vertical axis CD (22) in the designated direction of travel (25) of the chassis or skateboard.

A quick-release truck system includes a deck plate, a truck plate, and a locking mechanism for releasably locking the truck plate to the deck plate. The deck plate mounts to an underside of a deck of a rideable vehicle, and the truck plate mounts to, or is integrated into, an upper surface of a truck baseplate. The deck plate and the truck plate slidingly engage one another using vertically-staggered complementary coupling means. The coupling means may further be horizontally-staggered to create a tiered configuration. The coupling means include a combination of rails and grooves. Once fully engaged, the truck plate releasably locks to the deck plate. The deck plate and the truck plate may include cut-outs for weight reduction.

A sport board or freestyle skateboard which may include at least a central aluminum honeycomb portion between layers of carbon nanotube fiber, fiberglass cloth, and covered with a soft outer layer.

A sport board or freestyle skateboard which may include at least a central aluminum honeycomb portion between layers of carbon nanotube fiber, fiberglass cloth, and covered with a soft outer layer.

A locomotion apparatus that has a base that secures a skateboard platform to a snow ski as a combination. The base is secured into position by bindings of a ski. A brake mechanism is provided that has a brake seat, a lever arm and a spring arm that cooperate with each other to enable the brake mechanism to move between a deployed brake position, at which the combination brakes to prevent its locomotion, and a non-deployed brake position, at which the locomotion is enabled.

A bifurcated truck in a laterally-sliding board wheel assembly enables the freeboard to seamlessly transition from carvingas associated with a traditional skateboardto new omnidirectional motions, in which the board can easy travel forward, backwards, sideways or in any other directional combination. The wheel assembly of this invention employs a bifurcated truck system having two independent suspension arms, both operating independently from one another and from the board's castering wheels. The wheel assemblies are mirrored at each longitudinal end of the board, resulting in the board's ability to carve, slide or skidand easily transition back and forth among each of these modesproviding the rider a sense of stability and freedom commonly associated only with snowboarding.