Sprinkler system

Details Sprinkler system Sprinkler system

2006-03-28

2006-03-28

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Slinger or splasher; or deflector rotated relative to effluent

Nozzle delivers fluid to deflector

C239S232000, C239S200000, C239S206000

Reexamination Certificate

active

07017831

ABSTRACT:
A rotary sprinkler having a rotatable nozzle assembly for watering an arc of ground traversed or swept by the nozzle assembly as the nozzle assembly rotates is disclosed. Oscillating rotation is achieved via a drive train that includes a trip spring that is drivable between first and second positions for reversing the direction of nozzle rotation. The sprinkler also includes: a variable trajectory nozzle; secondary opening adjacent the variable trajectory nozzle; an automatic break up screw configuration; a substantially constant speed turbine assembly; a bypass stator; a reversing cluster gear planetary drive with a uni-directional turbine; an overcenter reversing mechanism; a nozzle base clutch; an adjustable arc mechanism, solid arc limit stops, a snap ring installation method and an adjustable pilot valve which uses visual indicia.

REFERENCES:
patent: 3107056 (1963-10-01), Hunter
patent: 4540125 (1985-09-01), Gorney et al.
patent: 5383600 (1995-01-01), Verbera et al.
patent: 5845849 (1998-12-01), Mitzlaff
patent: 6029907 (2000-02-01), McKenzie
patent: 6050502 (2000-04-01), Clark

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