Patent ID: 7407167

Claim:
A roller skate shoe having an upper and a sole, characterized in that: the sole is formed with at least one non-circular concave cavity having an opening facing in a direction toward a bottom side of the sole, wherein two notched slots are formed on two opposite inner sides of the cavity; a closing member is mounted in the cavity, wherein the closing member is to be accommodated within the cavity, the closing member has a closing side for closing the opening of the cavity, and the closing member is formed with two cut edges corresponding to the notched slots; and a roller assembly is mounted in the closing member and comprises a roller base correspondingly mounted in the closing member, a roller body mounted in the roller base, and two control assemblies, wherein the rotatable roller body is disposed in the roller base, the control assemblies each corresponding to the cut edge and the notched slot are mounted on two opposite sides of the roller base, the control assembly includes an elastic retractable collar, which may be forced by an external force to separate from the cut edge and the notched slot and to detach from the closing member.