Abstract: An improved agricultural spray boom having a primary section, a secondary section and a break away section is provided. The primary section has a top extrusion having a web and two tubes, each tube having a heat sink and a wing. No welds are located above the centerline of the tubes where stress would be the greatest. The secondary section is pivotally attached to the primary section. Weight of the second section and break away section cause a twisting force to be applied to the primary section. The primary section has specially oriented side braces which act in compression to resist the twisting force. The primary section further has a steel connector connected to the underside of the extrusions (and not welded to top of extrusions). The secondary section also has a top extrusion with a web and two tubes.

Abstract: The present invention relates to a boom constructed from several shaped panels of material formed or shaped to overlap when assembled to form a strong, yet lightweight, structure. The boom can have two or more joined panels to form a boom with a generally triangular shaped exterior profile. The panels can have two or more lips. One lip from each panel, together with the panel faces, form a six-sided interior profile when the panels are assembled. The interiorly located lips are gussets. The gussets can form three conduits, one at each of the triangle corners. The boom can be tapered along its longitudinal axis. The panels can have ribs formed therein to provide stiffness. A folding assembly (when a secondary section is used) and sprayers can be provided. A structural top tension tube can be provided. Longitudinal ribs that act as flow paths also can be provided.

Abstract: An improved agricultural spray boom having a primary section, a secondary section and a break away section is provided. The primary section has a top extrusion having a web and two tubes, each tube having a heat sink and a wing. No welds are located above the centerline of the tubes where stress would be the greatest. The secondary section is pivotally attached to the primary section. Weight of the second section and break away section cause a twisting force to be applied to the primary section. The primary section has specially oriented side braces which act in compression to resist the twisting force. The primary section further has a steel connector connected to the underside of the extrusions (and not welded to top of extrusions). The secondary section also has a top extrusion with a web and two tubes.