Patent ID: 6397408
Filing Date: 2002-06-04
Classification: E04H

Abstract:
A ramped cap unit for use in a swimming pool to fit over a safety cover plate mounted over a pool drain formed in a submerged pool surface, wherein the safety cover plate upstands from the submerged pool surface, said ramped cap unit comprising:a generally inverted saucer having a central disk with a size and shape to fit over the safety cover plate, said central disk being assembled with a generally annular outer ring extending radially outwardly and downwardly from said central disk to define an outer perimeter adapted to rest substantially flush on the submerged pool surface when said central disk is fitted over the safety cover plate, said outer ring comprising a plurality of part-circle ring segments assembled together; said saucer being shaped to define a plenum chamber at an underside thereof in flow communication with the safety cover plate; said saucer having a plurality of vents formed therein to permit downward water flow from above said saucer to said plenum chamber; said saucer having a smoothly sloping upwardly presented surface to permit substantially uninterrupted travel of a pool cleaner thereover.