A self-propelled, one-wheeled vehicle may include a suspension system configured to provide arcuate, generally vertical motion of a board relative to an axle of a central wheel assembly when the vehicle encounters obstacles and bumps on a riding surface. Illustrative suspension systems may include a shock absorber and a swingarm that couple the wheel assembly to the board.

A wearable motorized device comprising a shoe bracket, which can be fastened to a shoe; wheels that are installed on the left and right sides of the shoe bracket in parallel to support the wearer's lateral skating and longitudinal walking; a driving motor for rotationally driving the wheels; and a battery pack for powering the driving motor. The wheels are not coaxially installed on the two sides of the shoe bracket to drive the wearer's longitudinal skating, but instead are installed on the two sides of the shoe bracket in parallel to drive the wearer's lateral skating; the wearer can position his/her legs apart during skating, so the skating stability is improved. Its general contour does not significantly exceed the contour of the shoe in the longitudinal direction, thus and it will not strain the wearer when ascending or descending stairs.

One-person vehicle (1) for urban transport comprising a transport deck (2) for one user of the vehicle (1), trucks (3) for the displacement of said transport deck (2), and control arms (4) for said trucks (3) which are attached to said transport deck (2) so that they can pivot with respect to said trucks (3) when the user swings the deck (2) for changing the traveling direction of the vehicle (1), and is characterized by the fact that each of said trucks (3) comprises a pivot (5) to be inserted into one of said control arms (4) and a damper assembly (19) which is interposed between the pivot (5) and the arm (4) rotating about said pivot (5), allowing said damper assembly (19) to compensate on said arm (4) the weight force that swings the deck (2) and to drive the return to the centre of said arm (4) when said force yields.

A wearable device configured to selectively provide roller transportation, the wearable device including a shoe, a plurality of wheel assemblies, each wheel assembly being configured to selectively roll relative to a ground surface about an associated axis of rotation, and a frame connected between the wheel assemblies, the frame comprising a trunk and a plurality of branches extending from the trunk, each of the branches being configured for connection to at least one of the plurality of wheel assemblies, wherein at least a portion of the shoe is located vertically higher than at least a portion of the frame when at least one of the wheel assemblies is in contact with the ground surface and the at least one of the wheel assemblies is positioned to selectively roll relative to the ground surface.

A shock-absorbing bushing is provided for a skateboard and includes a first layer and a second layer. The first layer has first value of hardness. The first layer is provided with a through hole. The second layer has a second value of hardness. The second layer is coupled to an outside surface of the first layer. The first layer and the second layer are formed of plastic materials coupled together as a unitary body and exhibiting at least two different values of hardness, such as being flexible in the interior and stiff in the exterior, or being stiff in the exterior and flexible in the interior. The skateboard shock-absorbing bushing is mountable to the skateboard by for example being coupled to an axle of a retainer seat to which a roller support frame is mounted.

The present invention discloses a flat ground cross-country type roller skate comprising a skate body (1), wherein a wheel assembly at a lower part of the skate body, wherein the wheel assembly comprises a mourning seat (6) used to mount the skate body (1) and a hoisting mechanism disposed on the mounting seat (6). There are at least three wheel assemblies disposed on the hoisting mechanism, and each wheel assembly can hoist independently under the action of the hoisting mechanism. Thus, the wheel assemblies of the roller skate can be hoisted independently so as to adapt to various roads with uneven surface.

A shock-absorbing bushing is provided for a skateboard and includes a first layer and a second layer. The first layer has first value of hardness. The first layer is provided with a through hole. The second layer has a second value of hardness. The second layer is coupled to an outside surface of the first layer. The first layer and the second layer are formed of plastic materials coupled together as a unitary body and exhibiting at least two different values of hardness, such as being flexible in the interior and stiff in the exterior, or being stiff in the exterior and flexible in the interior. The skateboard shock-absorbing bushing is mountable to the skateboard by for example being coupled to an axle of a retainer seat to which a roller support frame is mounted.

Various powered mobility systems for users are described. The powered mobility system can include at least one powered skate. The powered skate can include a platform, a plurality of wheels, and a motor assembly. The motor assembly can include a motor. The motor can be powered by a power supply. A motor control can be implemented to determine when power is supplied to the motor from the power supply.

Various powered mobility systems for users are described. The powered mobility system can include at least one powered skate. The powered skate can include a platform, a plurality of wheels, and a motor assembly. The motor assembly can include a motor. The motor can be powered by a power supply. A motor control can be implemented to determine when power is supplied to the motor from the power supply.

An undercarriage of a person powered wheeled vehicle and, more particularly, to a cantilevered spring for absorbing shock and vibration is disclosed.