A truck for a skateboard utilizes spherical balls mounted for rotation beneath the deck of the skateboard such that the balls are freely rotatable in a direction along the longitudinal axis and are less rotatable in a direction transverse to the axis such that the skateboard exhibits behavior expected from a snowboard in snow.

A battery-powered vehicle is provided having dual charging capabilities. The vehicle has a body, a plurality of wheels supporting the body, a motor connected to at least one of the plurality of wheels, a battery port having a battery dock and battery dock terminals, a remote charging dock on an exterior of the vehicle body, the remote charging dock having remote charging terminals, a charger having a charger plug and associated charger terminals, and a removable and rechargeable battery having battery terminals. The battery is configured to be positioned in the battery port for charging in the battery port and to have the battery terminals electrically and mechanically mate with the battery dock terminals. The battery is also configured to be removed from the battery port and to have the battery terminals electrically and mechanically mate with the charger terminals for charging outside the battery port.

A self-propelled device is disclosed that includes a center of mass drive system. The self-propelled device includes a substantially cylindrical body and wheels, with each wheel having a diameter substantially equivalent to the body. The self-propelled device may further include an internal drive system with a center of mass below a rotational axis of the wheels. Operation and maneuvering of the self-propelled device may be performed via active displacement of the center of mass.

The present disclosure relates to a wheel cover assembly for a wheel assembly of a vehicle. The wheel cover assembly can include a bracket configured to be mounted onto the wheel assembly, an outer ring configured to be coupled with the bracket, and an inner cover removably couplable with the outer ring. The inner cover can comprise at least one attachment mechanism having a spring element, a catch and a handle, where the spring element can bias the catch to engage with the bracket or the outer ring to removably secure the inner cover to the outer ring.

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.

A snake board apparatus includes: a front footboard part (100) on which a user puts one foot; a rear footboard part (200) on which a user puts the other foot; and a connecting part (300) connecting the front footboard part (100) and the rear footboard part (200) to each other. The connecting part (300) includes: a first finishing member (310) inserted into the housing (120) of the front footboard part (100); a first pipe (320) having one end portion connected to surround a portion of the first finishing member (310) and the other end portion provided with a concave part (322); a second pipe (330) having one end portion integrally provided with a first stopper (332), an outer circumferential surface provided with a coil spring (340), and the other end portion provided with a concave part (334), wherein a locking part (336) is formed at an end portion with a certain interval from the concave part, and second pipe 330 penetrating the first pipe 320 and inserted into the first pipe at a predetermined depth, and the second pipe (330) passes through the first pipe (320) and is inserted into the first pipe by a certain depth; a third pipe (370) having one end portion integrally provided with a third stopper (372) contacting the first finishing member (310), an outer circumferential surface provided with a coil spring (380), and an end portion provided with a locking part (374), wherein the third pipe (370) passes through the second pipe (330) and is inserted into the first pipe (320); a hollow second finishing member (392) inserted through the other end portion of the third pipe (370); a third finishing member (394) having a hollow cap shape and inserted into the second finishing member (392) at a certain depth; and an elastic member (396) having one end portion connected to the first finishing member (310) through the first pipe (320), the second pipe (330), and the third pipe (370), and the other end portion connected to the third finishing member (394) to prevent a separation thereof.

A ride-on vehicle, such as for a child, includes a vehicle body and one or more wheels that support the vehicle body relative to a surface. At least one of the wheels includes a hub motor arrangement that provides a drive torque for propelling the vehicle. The hub motor arrangement includes a housing defining an interior space. An axle or other mounting element(s) define an axis of rotation of the housing. Preferably, the axle or other mounting element(s) do not pass completely through the housing. A motor drives the housing through a transmission. Preferably, the motor is a standard, compact motor that is positioned on the axis of rotation and can be laterally offset from a central plane of the housing. In some embodiments, a traction element is carried directly by the housing.

A tyre for electric skateboards includes a hub and a tyre casing. The hub is sleeved with the tyre casing. The tyre casing is fixedly connected to the hub. An annular cavity is formed in the tyre casing in a circumferential direction of the tyre casing. A deformable shock absorption and noise reduction ring is fixedly disposed in the annular cavity.

A swiveling caster wheel system for use on rolling devices such as children's accessories, furniture or equipment, and including a locking system having a locking actuator that is fixed in position regardless of the swivel position of the caster wheel. The system allows a user to access and actuate the caster locking system from a consistent position of the rolling device regardless of the swivel position of the caster wheel, and allows the caster wheel to be covered without blocking access to the locking actuator.

A ride-on vehicle, such as for a child, includes a vehicle body and one or more wheels that support the vehicle body relative to a surface. At least one of the wheels includes a hub motor arrangement that provides a drive torque for propelling the vehicle. The hub motor arrangement includes a housing defining an interior space. An axle or other mounting element(s) define an axis of rotation of the housing. Preferably, the axle or other mounting element(s) do not pass completely through the housing. A motor drives the housing through a transmission. Preferably, the motor is a standard, compact motor that is positioned on the axis of rotation and can be laterally offset from a central plane of the housing. In some embodiments, a traction element is carried directly by the housing.