. . . "Wherever possible, the same reference numerals will be used throughout the drawings and the description to refer to the same or like parts. [0032]FIG. 1 is a partially broken-away side view illustrating a shoe to which a wheel assembly in accordance with an embodiment of the present invention is mounted; and FIGS. 2a and 2 b are a perspective view and a sectional view illustrating the wheel assemb" . . .