Fluid handling – With casing – support – protector or static constructional... – Vehicle
Patent
1978-05-12
1979-07-17
Michalsky, Gerald A.
Fluid handling
With casing, support, protector or static constructional...
Vehicle
239177, B05B 312
Patent
active
041611853
ABSTRACT:
An alignment control for a self-propelled irrigation system. The alignment control maintains adjacent pipe segments of the irrigation system in a predetermined alignment and includes an elongated actuation arm pivotally mounted near its center for movement about a substantially vertical axis. One end portion of the arm is spring biased against one of the pipe segments and the other end is operably connected to a control valve which runs one of the self-propelled support towers of the irrigation system. In the preferred embodiment, the end portion abutting the pipe segment is bifurcated into two legs which vertically straddle a section of the pipe segment. The spring means biases one of the legs toward an abutting relationship with the pipe section making the actuation arm very sensitive and responsive to misalignments of the adjacent pipe segments. The valve housing for the control valve is also mounted for pivotal movement and the second end portion of the actuation arm is adjustably connected to the valve control member so that the alignment control system of the present invention can be adjusted to maintain adjacent pipe segments at any desired relative angle to each other. The connecting means further includes means for quickly disengaging the actuation arm from the valve control member to avoid damage to the alignment control system should the irrigation system malfunction.
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Michalsky Gerald A.
Tumac Industries, Inc.
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