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US Patent 7229032 Irrigation drive unit

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
72290321
Patent Inventor Names
Ricky D. McGee1
Dale A. Christensen1
Date of Patent
June 12, 2007
1
Patent Application Number
107866641
Date Filed
February 25, 2004
1
Patent Citations Received
‌
US Patent 11903350 Self-leveling mobile tower for use with an irrigation system
2
Patent Primary Examiner
‌
Christopher Kim
1
Patent abstract

A drive unit for a self-propelled irrigation system including an elongated pipeline supported upon a plurality of spaced-apart drive units. Each of the drive units includes a generally transversely extending base beam having first and second ends. A first drive assembly is pivotally connected to the base beam adjacent the first end thereof and a second drive assembly is pivotally connected to the base beam adjacent the second end thereof. Each of the first and second drive assemblies includes an elongated support member pivotally connected, about a generally horizontal axis, which is generally transverse to the longitudinal axis of the base beam, to the base beam adjacent the first end thereof. First and second driven wheels are rotatably mounted on the elongated support member adjacent the ends thereof. The driven wheels are driven by an electric motor and gearbox arrangement.

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