Sewer connection

Claim 1

In a sewage disposal unit permanently connected to an underground sewer line in an area where a vehicle containing a sewage discharge hose will be parked, said unit being connectable to said discharge hose to connect the same with said sewer line, the improvement comprising: a bowl sunk into the ground with its top edge substantially flush with the ground; an outlet pipe having one end connected to the bottom of said bowl at the lowest point thereof, the other end of said outlet pipe being connected to the underground sewer line; a tubular sleeve projecting upwardly from the top end of said outlet pipe, said sleeve having large apertures formed in the walls thereof closely adjacent the bottom of said bowl; a coupling pipe telescopically disposed within said tubular sleeve and slidable therein between upper and lower positions, said coupling pipe projecting above the top end of saId sleeve and having an elbow bend forming a laterally projecting, openended nozzle to receive the end of the sewage discharge hose on the vehicle, said coupling pipe being normally positioned at said lower position with the bottom end of the coupling pipe covering said apertures in said sleeve when the unit is in operation and is receiving sewage from the vehicle; and means for elevating and locking said coupling member in said upper position when said discharge hose is to be disconnected from said nozzle, whereby said apertures are opened to allow any sewage spilled into said bowl during the disconnect operation to be hosed down through the apertures into the sewer line.