×

Adjustable arc spray and rotary stream sprinkler

  • US 5,148,990 A
  • Filed: 06/29/1990
  • Issued: 09/22/1992
  • Est. Priority Date: 06/29/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A sprinkler having a nozzle with an adjustable arc of coverage, said nozzle having a tubular body means with a center opening therethrough, said tubular body means having two ends with an inlet means at one end for receiving pressurized water, a spray deflector member fixed to and spaced from the other end of said tubular body means, said center opening having a cylindrical section at said one end, said spray deflector member having a center cylindrical opening coaxial with said cylindrical section, an arc set member having two ends, one end of said arc set member comprising a first cylindrical portion positioned in said center cylindrical opening for axial movement and rotation, the other end of said arc set member having a second cylindrical portion having a larger diameter positioned in said cylindrical section for axial movement and rotation, said second cylindrical portion forming a stepped peripheral surface with said first cylindrical portion, said stepped peripheral surface being formed as a spiral surface ending in two axially spaced ends, a first axially extending rib extends on said arc set member towards said spray deflector member from one end of the spiral surface, said first rib being movable with said arc set member, said first rib defining one side of an adjustable arcuate discharge orifice, a second axially extending rib fixed to the cylindrical section of said center opening of said tubular body means, said second axially extending rib having two ends, an outer end extending to define a second side of the adjustable arcuate discharge orifice, the other end engaging said stepped peripheral surface to guide axial movement of said arc set member.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×