×

POWERED SPRINKLER

  • US 3,713,584 A
  • Filed: 02/16/1971
  • Issued: 01/30/1973
  • Est. Priority Date: 02/16/1971
  • Status: Expired due to Term
First Claim
Patent Images

1. Sprinkler mechanism comprising:

  • a cylinder, a piston assembly operative within said cylinder and movable relative thereto between extended and retracted positions, said piston assembly being adapted to be moved from the retracted to the extended position under the influence of fluid pressure applied thereto, said piston assembly including nozzle means and means for passing fluid through said assembly to said nozzle means, means for admitting fluid to said cylinder to operate said piston assembly, and means for applying a retractive fluid force to said piston assembly to retract said piston assembly.

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