Patent ID: 8113124

Claim:
A shaft for an auto-laundry conveyor dolly, the shaft comprising: a cylindrical tube that includes: a cylindrical central portion configured to receive a pair of inner wheels and a center link; a pair of cylindrical side portions formed one on each of opposite sides of said central portion, said pair of side portions separated from said cylindrical center portion by a pair of central grooves, said side portions being coaxial with said cylindrical central portion and of substantially the same external diameter as the cylindrical central portion, and said pair of side portions each being configured to receive an intermediate wheel, said pair of side portions further including outer ends opposite the central portion, each of said outer ends having a side groove; and a pair of cylindrical side lobes formed one on each end of said cylindrical tube, each side lobe in said pair of side lobes having an end and configured to receive a corresponding one of a pair of outer wheels, said pair of side lobes being axially offset from the pair of side portions and the central portion.