Patent ID: 6910743

Claim:
A stable wheel assembly having: a connector with two ends and each end of the connector having at least one wheel rotatably attached to the end, and each wheel having a center; wherein the connector has two spindles each having a first end mounted through the center of the at least one wheel to which the spindle is attached and a second end; and two protrusions securely connected respectively to the second ends of the spindles and each having a free end; a first upright step defined on the free end; wherein the first upright step on one of the protrusions is mated to a second upright step on the other protrusion to form the connector; and a through hole being transversely defined through the first and the second upright steps on the protrusions; a wheel stand with a bracket and the bracket mounted on the protrusions, having a hole aligned with the through holes in the protrusions; a pivot pin inserted into the aligned transverse holes of the bracket and the through holes on the protrusions to pivotally connect the connector to the wheel stand; and a resilient body mounted between the protrusions.