Patent ID: 6820828
Filing Date: 2004-11-23
Classification: A01C,A01G

Abstract:
A self propelled spraying and irrigation apparatus comprising a boom having a first distribution pipe movable along a predetermined path supported by spaced apart towers, each tower having a motive device, a switch for engaging said tower motive device and a time delay switch on top of each tower for delaying the startup of each motive device, a second distribution pipe parallel to said first distribution pipe with nozzles for spraying fluid therefrom suspended from each tower by a support rod passing through a sleeve and having a lower end of said support rod attached to said second distribution pipe, supply conduits for fluid transfer from said first distribution pipe to said second distribution pipe, and a height adjustment assembly at each tower, each height adjustment assembly comprising a cable attached to said support rod adjacent said second distribution pipe, said cable riding over a pulley and onto a adjustment spool the rotation of which raises and lowers said second distribution pipe each tower.