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Oscillating sprinkler

  • US 4,568,024 A
  • Filed: 07/21/1983
  • Issued: 02/04/1986
  • Est. Priority Date: 07/21/1983
  • Status: Expired due to Term
First Claim
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1. An oscillating sprinkler, comprising:

  • a sprinkler head mounted for rotation about a first axis;

    a drive motor;

    a gear train for drivingly connecting said drive motor for driving said sprinkler head including an internal gear connected to said sprinkler head, shiftable drive means having a pair of alternatively operable terminal gears alternatively engageable with said internal gear for driving said internal gear in alternate directions, each terminal gear having a different pressure angle of engagement with said internal gear when each one of said terminal gears is alternately engaged with said internal gear for balancing the engaging forces thereof.

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