The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1999
Filed:
Sep. 14, 1998
Rudy R Unruh, Omaha, NE (US);
Valmont Industries, Inc., Valley, NE (US);
Abstract
An irrigation system is disclosed which includes a center pivot support having an elongated main water boom pivotally connected thereto which extends outwardly therefrom. An elongated corner span is pivotally connected at its inner end to the outer end of the main boom and is supported by a steerable drive tower. A span sensor is positioned on the corner span for sensing changes in shape of the corner span. A control connects the span sensor with the drive for driving the steerable drive tower and the motor on the last regular drive unit on the main water boom to adjust the speed thereof upon the span sensor sensing predetermined changes in the shape of the corner span.