Roadside spraying apparatus for minimizing drift

  • US 5,284,297 A
  • Filed: 08/09/1989
  • Issued: 02/08/1994
  • Est. Priority Date: 08/17/1979
  • Status: Expired due to Term
First Claim
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1. A spraying apparatus for spraying liquids to the side of a moving vehicle in a plurality of laterally adjacent swaths comprising:

  • means mountable on a vehicle for supporting a spray head;

    said spray head including a plurality of sets of spraying means provided with orifices for directionally spraying liquid in aerial streams;

    the spraying means in each set being mounted on the spray head and oriented to collectively spray a predetermined width of swath at a predetermined distance from the side of the vehicle;

    each set communicating with a liquid source through a separate control means for operating each respective set of spraying means as a unit;

    said control means being independently actuatable to selectively deliver liquid to selected sets of spraying means to provide the desired spray pattern and width of coverage; and

    means operatively connected to said spraying means for vibrating the stream flow from said stream spraying means to produce and scatter liquid particles.

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