Patent ID: 7766259

Claim:
A spray nozzle assembly having a longitudinal axis and for irrigation comprising: a base configured to communicate with a supply of fluid, the base having the longitudinal axis extending through a center thereof; a nozzle fixedly coupled to the base in a non-rotating manner, the nozzle including an upper disk portion extending transverse to the longitudinal axis and defining a fluid passage therein, the fluid passage extending in an axial direction and configured to provide an upwardly directed axial flow; a first deflector downstream of the nozzle and having a shape configured to redirect fluid from the fluid passage to project fluid with a first predetermined spray pattern; a second deflector separate from the first deflector and positioned downstream of the nozzle and having a different shape configured to redirect fluid from the fluid passage to project fluid with a second, different predetermined spray pattern; a control knob selector coupled to the first deflector and the second, separate deflector, the control knob selector mounted for rotation relative to the nozzle about the central longitudinal axis and having a first position of the control knob to orient a portion of the first deflector in fluid communication with the fluid passage in an axial direction for projecting the first predetermined spray pattern from the spray nozzle assembly and a second position of the control knob to orient a portion of the second, separate deflector in fluid communication with the same fluid passage in an axial direction for projecting the second predetermined spray pattern from the spray nozzle assembly, the control knob selector shiftable about the central longitudinal axis to switch between the first predetermined spray pattern and the second predetermined spray pattern; wherein the first and second deflector surfaces are disposed on the control knob selector; wherein the control knob selector comprises a plurality of predetermined rotary positions relative to the upper disk portion of the nozzle, the first deflector being in fluid communication with the upper disk portion fluid passage at one of the plurality of predetermined rotary positions, and the second deflector being in fluid communication with the upper disk portion fluid passage at another of the plurality of predetermined rotary positions; and wherein the longitudinal axis extends through the upper disk portion of the nozzle plate and the control knob selector, and wherein the control knob selector is rotatable about the longitudinal axis to select one of the plurality of predetermined rotary positions.