Patent ID: 6654972
Filing Date: 2003-12-02
Classification: A61H,E04H

Abstract:
A water recreational apparatus comprising:(a) a water basin having side walls and a bottom wall; (b) a filter disposed external of the basin; (c) a pump having a suction side and a discharge side; (d) suction side water circulation lines serially connecting the water basin, the filter and the suction side of the pump; and (e) discharge side water circulation lines connecting the discharge side of the pump and the water basin; wherein the side walls comprise at least one opening having a side wall door to allow the flow of water from the water basin to the suction side water circulation lines, the at least one side wall door being movably affixed to the basin so as to close the at least one opening or open the at least one opening, to the suction lines; and wherein the water circulation apparatus further comprises biasing means to bias the at least one side wall door to the closed position when the pump is not operating, but allowing the at least one side wall door to move toward the open position when the pump is operating.