Footwear having replaceable heel and sole

Claim 1

Footwear comprising a replaceable tread portion having a lower treading surface and including first means disposed opposite said treading surface and having an outer peripheral surface, a body portion receptive of a person's foot during use and having a lower surface and including second means fixedly connected to said lower surface and receptive of the outer peripheral surface of said first means and engagable therewith for releasably locking said first means therein to prevent both lateral and perpendicular movement of the tread portion with respect to said body portion, said tread portion including a heel and a sole, wherein the peripheral surface of said first means is aligned with the peripheral surface of the heel and sole, said first means includes a hollowed member composed of resilient material and projecting oppositely from said treading surface, means defining a plurality of gripping apertures in the outer peripheral surface of the hollowed member, said second means including a base member on said lower surface and a flange extending outwardly therefrom and configured to closely receive said hollow member and a plurality of gripping members disposed on the inner peripheral surface of said flange and disposed in alignment with said gripping apertures and receivable therein when the hollow member is received in the flange.