A releasable wheel assembly includes a bracket having a plurality of bosses, each boss including a hole that receives an axle. A pair of wheels are mounted on the axle and a pair of locking caps fit over respective ends of the axle, the locking caps each including a clip for engaging the axle at a circumferential groove to prevent movement of the locking cap along the axle. The wheel assembly can be mounted to a carry bag or other storage unit by mounting the bracket to the storage unit, where the wheels and axle can be easily removed from the bracket.

The present application includes a system and method for transporting a car seat outside of a vehicle. The system includes a wheel assembly configured to couple to a portion of the car seat. The wheel assembly attaches to existing base attachment portions on the car seat to minimize any need for retrofit operations. The system further includes a mobility handle configured to adjust in length and couple to a portion of the car seat. The mobility handle is designed to allow an individual to guide and control the movement of the car seat on the wheel assembly.

This invention relates to a universal brake system (UBS) that combines features from an adjustable wheel traction system (WTS) and an improved anti-lock brake (ABS) system. The WTS provides a plurality of extendable and retractable spikes contained in a wheel assembly or wheel adapter to increase traction (friction) between a vehicle's wheel and its supporting surface. To further improve wheel traction each wheel spike has different types of changeable heads for different types of terrain and road surfaces. When operating in dry road mode, the UBS operates as an anti-lock braking system except the spikes can operate during emergency braking to provide additional traction between the tire and wheel support surface. When operating in slippery road mode, the UBS activates the WTS for increase traction control and utilize an improved computer controlled anti-lock braking system to alternate between wheel lock and anti-lock brake with skid control to provide the ultimate solution to decreasing a vehicle's stopping distance and controlling a vehicle's skid on slippery and dry road surfaces.

Provided is a wheel which is inexpensive, light, and sufficiently rigid. A wheel 6a includes an annular rim 60 to which a tire 6b is externally fitted, a hub 61 which is arranged at a center portion of the rim 60 and to which an axle is connected, and a disk 62 which is attached with the rim 60 at a periphery portion and which covers one side of the wheel 6a. The disk 62 includes a planar portion 62a and a first rib 62b provided at a surface of one side of the planar portion 62a and extending in the radial direction. The planar portion 62a is provided with a first groove 62d at a surface of the other side at a position corresponding to the first rib 62b.

A wheel for a skateboard may include a bearing assembly, an annular rim coupled to and extending annularly around the bearing assembly, and a tapered tire portion coupled to and extending annularly around the annular rim. A dual wheel assembly may include a first wheel disposed on a longitudinal end portion of an axle, a spacer disposed on the longitudinal end portion of the axle adjacent to the first wheel and abutting against the first wheel, and a second wheel disposed on the longitudinal end portion of the axle adjacent to the spacer and abutting against the spacer. A method of making a dual wheel assembly may include disposing a first wheel on an axle, disposing a spacer on the axle adjacent to the first wheel, and disposing a second wheel on the axle adjacent to the spacer.

A rotating device module for a toy has an axle component, which provides a rotation axis of the rotating device module. A hub part is connected to the axle component. A disc part can be screwed by means of a threaded connection to the hub part, said connection being torque proof. The hub part has an external thread of the threaded connection. The disc part has an internal thread of the threaded connection complementary to the external thread. The result is a removable rotating device module which is designed to increase play value and can be made at low cost and assembled with little effort.

A wheel for a skateboard may include a bearing assembly, an annular rim coupled to and extending annularly around the bearing assembly, and a tapered tire portion coupled to and extending annularly around the annular rim. A dual wheel assembly may include a first wheel disposed on a longitudinal end portion of an axle, a spacer disposed on the longitudinal end portion of the axle adjacent to the first wheel and abutting against the first wheel, and a second wheel disposed on the longitudinal end portion of the axle adjacent to the spacer and abutting against the spacer. A method of making a dual wheel assembly may include disposing a first wheel on an axle, disposing a spacer on the axle adjacent to the first wheel, and disposing a second wheel on the axle adjacent to the spacer.

A wheel for a robot cleaner includes an outer ring in contact with a surface to be cleaned, an inner ring which is disposed inside the outer ring and receives a driving force, a plurality of spokes which connect the outer ring and the inner ring, and form a plurality of independent spaces through which air passes, and a plurality of ribs disposed in the plurality of independent spaces, each of the plurality of ribs having a shorter length than a length of each of the plurality of spokes.

Vehicles are disclosed which have a lower center of gravity than existing all-terrain, amphibious, and unmanned ground vehicles due to the location of propulsion units and other vehicle components inside the wheels of the vehicle. The vehicles can climb over large obstacles yet are also able to corner at high speeds. The vehicles can be configured for direct manual operation or operation by remote control, and can also be configured for a wide variety of missions.

A traveling toy wheel whose simple configuration allows multiple devices to be enjoyed and can further change fine offsets is provided. The traveling toy wheel includes a first rim member to which a tire is mounted and a second rim member which includes a fitting portion into which a wheel hub of a traveling toy is fitted. Fitting holes as fixing portions are provided in one of the first rim member or the second rim member and elastic convex pieces as fixed portions are provided in the other of the first and second rim members. When the elastic convex pieces are fitted in the fitting holes, the first rim member and the second rim member are jointed relatively unmovably. A plurality of fitting holes are arranged at different positions, so that it is possible to easily adjust an offset of the wheel.