Samuel Robert Walker

D527791, Sep 5, 2006

Apr 13, 2005

29/227557

Travis L. Onofrio - Whittier CA, US
Samuel C. Walker - Green Valley AZ, US

Rain Bird Corporation - Glendora CA

2301

D23214

20100108787, May 6, 2010

Jan 13, 2010

12/686895

Samuel C. Walker - Green Valley CA, US
Steven D. Geerligs - Vail AZ, US

B05B 1/00

239589

A variable arc sprinkler nozzle is provided for distribution of water through nearly any adjustable arcuate span. The nozzle includes one or more arcuate slots formed by the helical engagement of spiral surfaces of a deflector and a nozzle body. A user may rotate a portion of the nozzle body to select the arcuate span of the one or more slots. A matched precipitation rate feature is adjustable to proportion the amount of water directed to the deflector depending on the extent of the arcuate span. Further, edge fins on the deflector and nozzle body channel water flow at the two edges of the distribution arc to increase the throw radius and to provide fairly uniform water distribution at the edges of the arc.

46375481, Jan 20, 1987

Jul 12, 1984

6/630227

Charles A. Ray - Arcadia CA
Samuel C. Walker - Diamond Bar CA

Anthony Manufacturing Corp. - Azusa CA

B05B 1506

239201

An improved locking assembly is provided for releasably locking a valve unit incorporated into a sprinkler housing or the like, wherein the locking assembly prevents the valve unit from being driven from the housing as a projectile by water under pressure at the upstream side of the valve unit. The valve unit includes a mounting ring normally held seated upon a shoulder seat within the base of the sprikler housing by the locking assembly including a stacked pair of snap rings installed into an enlarged housing lock groove thereby positioning a movable valve member in association with a valve seat to control water flow into the sprinkler housing. The valve unit is removable from the housing, for example, for maintenance purposes by removing the two snap rings one at a time. In the event the first snap ring is removed without prior relieving of water pressure at the upstream side of the valve unit, the water pressure lifts the valve unit from the valve seat to permit water flow into the housing while the second snap ring remains locked within the lock groove to block valve unit removal. When the water flow is turned off, the valve unit is removable quickly and easily by removal of the second snap ring.