Patent ID: 7207503

Claim:
In combination: a travelling lawn sprinkler including a sprinkler body having forward and rearward ends and opposite sides with the body having a water sprinkler apparatus thereon for sprinkling water onto a lawn, the body having a pair of transversely spaced drive wheels at the rearward end thereof for driving the sprinkler body along a lawn to be sprinkled on which an elongated hose is deployed to define a path of driving movement, the body also having a hose following guide wheel at its forward end, the body further having a female hose coupling at its rearward end between the drive wheels; a chemical dispensing apparatus mounted on the travelling lawn sprinkler; said chemical dispensing apparatus dispensing liquid chemical into the water that is to be sprinkled onto the lawn by the water sprinkler apparatus as the travelling lawn sprinkler propels itself along the deployed hose; said chemical dispenser comprising a venturi mixer having an intake end and a discharge end, said discharge end of said venturi mixer being in fluid communication with the female hose coupling on the travelling sprinkler, said chemical dispenser also including at least a pair of liquid containers mounted on the sprinkler body which are in communication with said venturi mixer, said intake end of said venturi mixing being in fluid communication with the deployed hose; said pair of liquid containers being mounted on the sprinkler body forwardly of the drive wheels thereof; said liquid containers being mounted on opposite sides of the sprinkler body; said liquid containers being selectively removably positioned on the sprinkler body; and a transversely extending support means, having opposite ends, positioned on said sprinkler body with said liquid containers being secured to opposite ends of said support means.