Patent ID: 7938339

Claim:
A spray arm assembly, comprised of: a tubular member rotatable about a fixed axis, said tubular member having an internal passage and a central axis extending a length of said tubular member; and a nozzle assembly attachable to an end of said tubular member and in fluid communication with said internal passage of said tubular member, said nozzle assembly comprised of: an insert attachable to said tubular member in a predetermined position; a nozzle body having an aperture therein defining a spray orifice, said nozzle body being attachable to said insert in one of a plurality of positions relative to said insert and wherein said spray orifice has an orientation based upon said position of said nozzle body relative to said insert wherein said nozzle body has a plurality of surface projections extending therefrom and said insert has a plurality of surface projections extending therefrom, said surface projections on said insert being dimensioned to matingly engage with said surface projections on said nozzle body, wherein said nozzle body is attachable to said insert in said one of said plurality of positions; a fastening means for securing said insert and said nozzle body together in said one of said plurality of positions; and a sensor element mounted to said nozzle body, wherein said fastening means extends through said insert and said nozzle body and threads into said sensor element such that said nozzle body is disposed between said insert and said sensor element.