A tread link assembly is provided for improving the performance of a wheel on loose surfaces. The tread assembly includes a plurality of linked plates forming a circuit around the outer circumference of the wheel. The linked plates include first and second linking structures and releasable fasteners for linking adjacent plates together. The together the plates create a tread surface that is wider than the axial width of the wheel.

A tread link assembly is provided for improving the performance of a wheel on loose surfaces. The tread assembly includes a plurality of linked plates forming a circuit around the outer circumference of the wheel. The linked plates include first and second linking structures and releasable fasteners for linking adjacent plates together. The together the plates create a tread surface that is wider than the axial width of the wheel.

A temporarily attachable sled device for human-powered household vehicles includes a main body and at least one front end chock assembly and at least one rear end chock assembly. The main body is formed of a substantially waterproof sheet, with substantially at least the lower face of the sheet formed as a low friction surface. The at least one front end chock assembly and the at least one rear end chock assembly extending from the upper surface of the main body in use. The main body and the chock assemblies are sized and shaped so that a household vehicle can be positioned on the upper surface of the main body and prevented from riding up and over the chock assemblies. The main body includes ridges along and extending upwards from each side of the main body, the ridges extending substantially the length of the sides.

A tread link assembly is provided for improving the performance of a wheel on loose surfaces. The tread assembly includes a plurality of linked plates forming a circuit around the outer circumference of the wheel. The linked plates include first and second linking structures and releasable fasteners for linking adjacent plates together. The together the plates create a tread surface that is wider than the axial width of the wheel.

A base for an infant transport system is provided. The base may include a frame having opposed side walls. In some aspects, the frame is configured to be secured to a portion of an automobile. The base may further include a pair of wheel guards that are each wheel removably coupled to one of the opposed side walls of the frame.

A base for an infant transport system is provided. The base may include a frame having opposed side walls. In some aspects, the frame is configured to be secured to a portion of an automobile. The base may further include a pair of wheel guards that are each wheel removably coupled to one of the opposed side walls of the frame.

A tread link assembly is provided for improving the performance of a wheel on loose surfaces. The tread assembly includes a plurality of linked plates forming a circuit around the outer circumference of the wheel. The linked plates include first and second linking structures and releasable fasteners for linking adjacent plates together. The together the plates create a tread surface that is wider than the axial width of the wheel.

A base for an infant transport system is provided. The base may include a frame having opposed side walls. In some aspects, the frame is configured to be secured to a portion of an automobile. The base may further include a pair of wheel guards that are each wheel removably coupled to one of the opposed side walls of the frame.

A base for an infant transport system is provided. The base may include a frame having opposed side walls. In some aspects, the frame is configured to be secured to a portion of an automobile. The base may further include a pair of wheel guards that are each wheel removably coupled to one of the opposed side walls of the frame.