Invention Grant
US09434582B2 Dual crane apparatus and method of use 有权
双起重机械及其使用方法

Dual crane apparatus and method of use
Abstract:
A dual crane apparatus and a method of use are disclosed herein. The disclosed dual crane apparatus generally comprises a support frame and two rotating crane members mounted to the support frame, wherein the crane members can each independently move up and down in a vertical direction, extend and retract in a horizontal direction, and rotate clockwise and counterclockwise. The disclosed dual crane apparatus can be utilized for servicing mobile irrigation systems.
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