Abstract: A swimming pool safety drain including a base having a bottom, and having end walls and side walls extending upwardly from the bottom to form an open top enclosure. A cover is removably secured to the enclosure and, when secured to the enclosure forms an inlet slot about the periphery thereof. A plurality of drain outlets are formed in the base for connection to water recirculating systems for the swimming pool and any supplemental water recirculating system. A safety bridge is secured in the enclosure between the side walls and is positioned over the drain outlets to provide hair and limb entrapment protection. A construction cover is provided to temporarily replace the permanent cover during construction and installation of the drain.

Abstract: A multiple wedge quick connect and/or disconnect is disclosed in three basic cylindrical embodiments with variations for hand and machine assembly of the connection. One cylindrical part includes a plurality of radially extending pins. Another cylindrical part includes at least one radially extending bearing surface. The two cylindrical parts are coaxially aligned by slidably engaging the pins in corresponding slots formed in the walls of the second cylindrical part. A plurality of wedges are then moved between the pins and bearing surface(s) to either hold them or force them apart, thereby securing the two cylindrical parts in tight detachable engagement. An optional gasket may be deformed between the two cylindrical parts to provide an enhanced seal when they are connected. The connection is broken by removal of the wedges from between the pins and bearing surface(s).