Patent ID: 7503439

Claim:
A retractable wheel assembly for a carrier comprising: a retractable handle that is movable between an first position and a second position: a closable container attached to the retractable handle; a left wheel support structure, a right wheel support structure, and an axle drivably attached to the left and right wheel support structures, the axle being pivotably attached to the closeable container such that the axle is pivotable about a first axis, the axle being pivotable to drive the left and right wheel support structures between an extended position and a retracted position; and a right wheel rotatably mounted to the right wheel support structure and a left wheel rotatabily mounted to the left wheel support structure the left and right wheels each having a diameter, wherein the left and right wheels rotate about a second axis that is offset from the first axis and further wherein the first axis is disposed within the diameter of the left and right wheels.