Patent ID: 7722091

Claim:
An adapter assembly for coupling a sewage drain pipe to a sewage disposal site inlet for fluid communication therewith, comprising: a) a hollow L-shaped tubular member, said tubular member capable of connecting to an end of a corrugated sewage drain pipe, a lug member, said lug member positioned on said tubular member; and b) a hollow adapter member, said adapter member for connection to a sewage disposal site inlet, said adapter member comprising an inlet, said adapter inlet defining an inside diameter surface and an outside diameter surface, said adapter inlet defining an adapter member annular inlet face, said adapter member annular inlet face defining a slot opening, said slot opening having a rectangular shape and extending axially along said inside diameter surface of said adapter inlet, said outside diameter surface of said adapter inlet being continuous, said adapter inlet defining a lug channel along said inside diameter surface, said slot opening in communication with said lug channel, said lug channel comprising a rotary portion, said slot opening for receiving said lug member for rotation in said rotary portion to provide a secure connection for fluid communication between said tubular member and said adapter member.