Gear driven transmission for oscillating sprinklers

Fluid sprinkling – spraying – and diffusing – Distributor continuously moves relative to support during... – Spray fluid motor drive means

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Details

B05B 316

Patent

active

051489910

ABSTRACT:
A gear driven oscillating sprinkler head has a gear train transmitting rotational drive from a drive motor to the oscillating sprinkler head with a shifting drive mechanism which includes alternately engageable driving devices providing oscillation. An over-center spring maintains the direct driving engagement bias for a driving device on each side of a center position of the shifting drive mechanism. An over center spring carry device places a bias against the shifting drive mechanism to move the shifting drive mechanism over its center position once a driving device has become disengaged from driving the sprinkler head, during a reversing action, so that the over-center spring now biases the shifting drive mechanism in the alternate driving engagement position. Adjustable arc of oscillation includes adjustment to full circle rotation.

REFERENCES:
patent: 3645451 (1972-02-01), Hauser
patent: 4955542 (1990-04-01), Kah, Jr.

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