Patent ID: 6840359

Claim:
Portable luggage comprising, in combination: a luggage case having a generally four sided base and side panels attached to each side of the base, a corner at the intersection of each pair of sides with the base, said base defining a plan view; a handle for toting the luggage; and a wheel assembly positioned at two adjacent corners of the base, each said wheel assembly including a housing, each said housing including a first vertical wheel channel and a second vertical wheel channel, said channels arrayed at a right angle with respect to each other and each channel including an axle with a wheel mounted thereon, each of said wheel axles defining an axis, said wheel axes in each housing forming a right angle of wheel rotation in plan view, said wheels each projecting below the base for support of the base thereon and for rotation about their respective axles, two of said wheels on one side of the base at said two adjacent corners being parallel for rotation about parallel axes.