Alignment control apparatus for center pivot irrigation equipmen

Details Alignment control apparatus for center pivot irrigation equipmen Alignment control apparatus for center pivot irrigation equipmen

1976-11-13

1976-04-27

Schwadron, Martin P.

Fluid handling

With casing, support, protector or static constructional...

Vehicle

239212, B05B 902

Patent

active

039527697

ABSTRACT:
An alignment control apparatus is described for maintaining the pipe sections of center pivot irrigation equipment in substantial linear alignment. The apparatus includes a proximity switch mounted in a water-sealable enclosure adjacent one wall and an exterior proximity element mounted on a lever for movement in response to the articulation of the joint interconnecting adjacent pipe sections. The proximity switch when operated energizes a solid state contactor which in turn energizes an electrical drive motor to propel a pipe section.

REFERENCES:
patent: 3051805 (1962-08-01), Binford
patent: 3807436 (1974-04-01), Pringle
patent: 3823730 (1974-07-01), Sandstrom

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