Importance

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Abstract

An agricultural implement guidance control system has a counterbalanced sensing wand assembly. The wand position sensing assembly is designed to compensate for the adverse effects of operations on a field which has a side slope, i.e., slopes to the left or right of the implement as it travels in the field. Without the counterbalanced wand position sensing assembly, the wands would pivot toward the downhill side of the implement as a result of gravity acting upon the wands. Specifically, the wand position sensing assembly is designed so that the weight of the wand bracket assembly counterbalances the weight of the wands on the pivot point which is established by the rotating shaft. The wand position sensing assembly can also include a variable compensation assembly which permits the operator to adjust the counterbalance effect. The variable compensation assembly includes a shaft, a counterweight and a retention unit. The shaft is attached to the center of the U-shaped rod support. The shaft extends forward and away from the rod support to establish a moment arm through which the counterweight counterbalances the turning moment effect of the weight of the wands. The counterweight is movably attached to the shaft. The operator adjusts the effect of the counterweight by adjusting the position of the counterweight on the shaft.

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First Claim