Patent ID: 7331637

Claim:
A dual set of wheels for mounting upon a commercial vehicle comprising: a first wheel including a first annular wheel rim adapted to support a first pneumatic tire and a first central wheel hub supported within said first wheel rim by a first plurality of wheel spokes, said first hub having an axis of rotation and a first hub surface that is perpendicular to said axis of rotation, said first hub surface including alternating arcuate shaped segments that are raised and recessed in an axial direction; and a second wheel including a second annular wheel rim adapted to support a second pneumatic tire and a second central wheel hub supported within said second wheel rim by a second plurality of wheel spokes, said second hub having an axis of rotation and a second hub surface that is perpendicular to said axis of rotation, said second hub surface including alternating arcuate shaped segments that are raised and recessed in an axial direction, said recessed segments on said first wheel hub surface being aligned with and receiving said raised segments on said second hub surface for mounting said first and second wheels in a dual wheel mounting configuration.