Patent ID: 7744168

Claim:
A brake disabling device for a vehicle, comprising: an electronic control unit (ECU) for receiving a signal indicative of a direction of the vehicle; and a control device communicating with the ECU for disabling brakes associated with a steer axle of the vehicle as a function of the direction of the vehicle; wherein the control device includes: an electro-pneumatic switch capable of passing a pressure signal to respective brake chambers of the brakes of the steer axle as a function of the direction of the vehicle; and a pressure switch receiving a signal indicating a brake demand, the pressure switch communicating a first signal to the ECU when the user's brake demand is less than a predetermined level, the pressure switch communicating a second signal to the ECU when the user's brake demand is greater than a predetermined level, the ECU communicating a control signal to the electro-pneuatic switch for setting the electro-pneumatic switch to pass pressurized air to the brake chambers when the second signal is communicated to the ECU.