Patent ID: 9538699
Date: 2017-01-10
CPC Classifications: A01B,A01D

Claim:
1. A variable speed control system for a walk-behind working machine, the system comprising: a control system base; a control lever selectively movable with respect to the control system base between a first operating position and a second operating position; a mode actuator positioned on the control system base for toggling between a standard mode and a selection mode; an adjustment actuator in communication with a control unit to toggle between a first control mode and a second control mode when the mode actuator is in selection mode; the control unit in communication with the control lever, the adjustment actuator, the mode actuator, and a machine component, wherein the control unit selectively controls the operation of the machine component between a minimum operating speed and a variable maximum operating speed; wherein the control lever communicates with the control unit to control the machine component to operate at the minimum operating speed when the control lever is in the first operating position and to control the machine component to operate at the variable maximum operating speed when the control lever is in the second operating position; and wherein the control unit applies a first acceleration profile to accelerate from the minimum operating speed to the variable maximum operating speed when in the first control mode, and wherein the control unit applies a second acceleration profile to accelerate from the minimum operating speed to the variable maximum operating speed when in the second control mode.