Importance

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Abstract

A drive control assembly including a rocking foot pedal and a rotatable control lever for effecting forward and reverse motion of a machine. The control lever is operably connected to a rotatable selector plate for setting the direction of machine movement. The foot pedal is operably connected to the rotatable selector plate for controlling the speed of machine movement in either the forward or reverse direction. The rotatable selecor plate includes a slot having directional positions for forward, neutral, and reverse directional control, respectively. The foot pedal is connected to a pin in the selector plate slot by an actuating linkage and the control lever is connected to the same pin by a coupling element. The selector plate pin is movable in the slot from a neutral position to either a reverse or forward directional position in response to the shifting of the control lever. After the control lever is shifted to a directional position, it remains stationary while the joint formed between the selector plate pin and the ends of the coupling element and actuating linkage moves along the selector plate slot in response to downward depression of the foot pedal. The movement of the joint between the selector plate pin, coupling element and actuating linkage along the selector plate slot does not affect the position of the control lever.

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First Claim