interlocking coupling system for the union, at a right angle to the two tables, like interlocking to swallow tail

摘要

the present invention relates to a suction cup high capacity of accession, which has a central circular zone of substantial thickness concentricamente which are provided for the inside youlaughed the outside and properly connected, a groove, a hollow rib, a second groove of less width and less depth of the first groove.and a second rib positioned in correspondence with the perimeter edge.width and height reduced relative to the rib hollow inner; being planned that on the bottom face of the suction cup that has a groove.just below the rib, which forms a flat annular bracket from the inside.