Title: Pivot sprinkler

Abstract: A pivot sprinkler incorporating an elongate irrigation pipe having a plurality of sprinklers thereon for irrigating a land area. The pipe is supported by a plurality of spaced supporting towers each of which is provided with supporting wheels and a drive mechanism. One end of the pipe is rotatably supported from and connected to a standpipe with control means being provided for retaining the support towers generally in aligned condition with the elongate pipe extending through the rotational center and forming rotational support for a drive wheel on each of the towers.

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Inventors: Farris, Howard R.
Johnson, Calmer J.

Application Number: 544657
Filing Date: 1975-01-27
Publication_date: 1976-05-18
Assignee:
Primary Class(es): 239/731
Other Classes:
US Patent Ref:

204695	Jun, 1978	Winebrenner	239/177.
2228031	Jan, 1941	Harsch	239/598.
3415270	Dec, 1968	Stilwell	239/212.
3628729	Dec, 1971	Thomas	239/177.
3680787	Aug, 1972	Sherman	239/177.
3729141	Apr, 1973	Cornelius	239/212.

Other Refs: 202,468

Mar, 1956	AU

Primary Examiner: Love, John J.
Assistant Examiner:
Attorney: O'Brien; Clarence A., Jacobson; Harvey B.