Patent ID: 8991724
Filing Date: 2015-03-31
Classification: B05B

Abstract:
1. A sprinkler head comprising: a sprinkler body having a longitudinal center axis and provided with a nozzle at one end and a cap component at an opposite end; a wobbler cage including a water deflector plate assembly between said nozzle and said cap component, mounted for rotating and wobbling motion relative to said sprinkler body; a viscous brake supported within said wobbler cage for slowing the rotating and wobbling motion of the wobbler cage and the water deflector plate, said viscous brake including a shaft oriented at an angle relative to said longitudinal center axis and operatively coupled to a pin centered on said cap component of said sprinkler body; and a brake disc receiving said shaft in a center aperture and acting on said wobbler cage via said cap component, wherein rotation of said wobbler cage is slowed by the rotary brake through the brake disc.