Patent ID: 6712549
Filing Date: 2004-03-30
Classification: B62D

Abstract:
A wheel assembly for mobilizing a construction vehicle upon a base surface, the wheel assembly comprising:a frame connected with the vehicle and configured to be pivotable about a first axis so as to angularly displace with respect to the vehicle; an axle connected with the frame and configured to be generally freely pivotable about a second axis so as to angularly displace with respect to the frame, the second axis extending generally perpendicularly with respect to the first axis, the axle having a longitudinal centerline extending generally perpendicularly with respect to the second axis; and a wheel connected with the axle, configured to rotate generally about the axle centerline and disposable generally upon the base surface, the wheel being vertically displaceable by at least one of angular displacement of the frame about the first axis and angular displacement of the axle about the second axis while the vehicle traverses the base surface.