Patent ID: 6302445
Filing Date: 2001-10-16
Classification: F16L

Abstract:
An irrigation pipe system comprising:a tubular coupler member having at least one open end;at least one fluid transport pipe;means for releasably connecting said at least one fluid transport pipe to said at least one open end;a sprinkler riser having a bottom end;a fitting including a lock member having a lug connected to said sprinkler riser and a cylindrical member attached to and in fluid communication with said tubular coupler member, said cylindrical member terminating in a substantially annular flange, said flange having an undersurface with a flat portion and at least one gap for receiving said at least one lug, said undersurface of said flange having a plurality of stops;whereby said sprinkler riser is connected to said cylindrical member by inserting the bottom end of said sprinkler riser inside said cylindrical member, pushing said sprinkler riser into the cylindrical member in a direction towards tubular coupler member a distance sufficient for said at least one lug to clear one of said plurality of stops, and rotating said sprinkler riser till said lug is past said one stop, wherein said stops are spaced so as to limit a range of rotation of the lock member, when the lug is in contact with the flat portion of the undersurface between the stops; anda seal having at least a first portion seated in the cylindrical member.