B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/69.5
B05B 1/20 (2006.01) A01M 7/00 (2006.01) B05B 3/12 (2006.01)
Patent
CA 1185216
ABSTRACT OF THE DISCLOSURE Vehicle-borne apparatus for spraying liquid completely around immoveable upstanding objects such as trees or poles. The apparatus comprises an articulated boom having a pair of normally aligned, linear members. These members are secured to each other so that during operation the outer member can pivot out of alignment about a vertical axis in a direction opposite to the direction of motion, against the force of biasing means urging that member back to aligned position. A spray head is rotatably secured to the front end of the outer member, to rotate about a vertical axis at the center of the head. The head has a plurality of arms with spray nozzles at their ends, radially and outwardly extending from its center. Adjacent arms form angles of 90° or more with respect to each other and receive between them a portion of the immoveable object. This device is particularly useful for herbicidal spraying of a line of trees, as in a orchard, enabling spraying completely around the base of such trees from a single pass of a tractor carrying the apparatus along one side of such a row of trees.
455613
Bleasdale William W.
Boultbee Frank E.
Okanagan Turbo Sprayers Ltd.
Ridout & Maybee Llp
LandOfFree
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