Patent ID: 6547159
Filing Date: 2003-04-15
Classification: B05B

Abstract:
In a kit for modifying a pop-up sprinkler unit having an external riser pipe which is threaded at a lower end for connection to a water source and has external threads formed on an upper end, an internal riser pipe slidably received within the external riser pipe, and a sprinkler head mounted on an upper end of the internal riser pipe being configured to rise relative to the external riser pipe when water is flowing through the riser pipes, the kit comprising:a female/female reducing connector formed with inner and outer wall members, the wall members being annular-shaped and concentrically arranged, the wall members further being spaced apart at their lower ends and joined at their upper ends by a disk-shaped member, the outer wall member having an inner surface formed with internal threads and the inner wall member having an inner surface formed with internal threads; and one of a pipe, nipple, or fixture having external threads on at least a lower end thereof, wherein the kit is configured for modifying the pop-up sprinkler by replacing the internal riser pipe with the reducing connector and one of a pipe, nipple, or fixture; the reducing connector being configured for attachment to the external riser pipe with the external threads on the upper end of the riser pipe in threaded engagement with the internal threads on the outer wall member of the reducing connector, and each one of the pipe, nipple, or fixture in threaded engagement with the internal threads on the inner wall of the reducing connector.