Patent ID: 6439478
Filing Date: 2002-08-27
Classification: B05B

Abstract:
An adapter for connecting a sprinkler head in rotating fashion to a standpipe having a cylindrical upper end, comprising:a cup-like base having an annular seal portion adapted to rest on the cylindrical upper end of the standpipe in an axial sealing fit, an axial water passage, and an upwardly-opening cylindrical bore defining an annular axial bearing surface with a cylindrical radial sealing surface; a cylindrical male stem having a lower sealed portion inserted in the cylindrical bore and sized for rotation therein on the axial bearing surface with a seal against the radial sealing surface, and an upper end adapted for connection to a sprinkler head; and, an oversleeve having a bore sized to fit over the male stem and cup-like base and adapted to engage the upper end of the standpipe with an axial locking connection.