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Pattern controlled sprinkler apparatus

  • US 4,538,762 A
  • Filed: 04/18/1983
  • Issued: 09/03/1985
  • Est. Priority Date: 04/18/1982
  • Status: Expired due to Fees
First Claim
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1. A rotary sprinkler comprising:

  • a base;

    a stem mounted onto the base for rotation relative thereto, the stem having an inlet for receiving a pressurized water supply;

    a water discharge nozzle mounted on the stem and being rotatable together therewith relative to the base;

    water driven drive apparatus for rotating the stem relative to the base;

    selectably positionable deflector means for engaging a stream of water emitted by said nozzle for controlling the configuration sprinkler stream coverage;

    manually settable means for both selecting and displaying an overall pattern configuration of sprinkler stream coverage comprising two concentric abutting surfaces, one of said surfaces being rotatable relative to said stem, the other of said surfaces being fixed relative to said stem, said two abutting surfaces carrying indicia which in combination indicate the pattern configuration; and

    said rotatable surface including a cam means, said cam means being modulated in a vertical plane relative to said stem such that in a first mode of operation said cam means engages a first cam following means on said deflector means to provide a first patterned configuration of sprinkler stream coverage and in a second mode of operation said cam means disengages from said first cam following means and engages a second cam following means on said deflector means to provide a second patterned configuration of sprinkler stream coverage.

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