Power assisted steering for motorized pallet truck
AssigneeNMHG Oregon, LLC
InventorTimothy Rose
Life of this patent
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Abstract
A system for controlling the acceleration, deceleration, braking, travel speed, and power assisted steering of a pallet truck, comprising setting a steering system and a traction system performance as a function of a position and rate of change of position of a control arm in a vertical axis and a horizontal axis of rotation.
Claims30
A method for controlling the acceleration, deceleration, braking, and travel speed of a motorized vehicle, comprising:
- setting a level of performance of a traction system as a function of an operator command and position of a steering control.
A method for controlling the permissible torque assistance provided by a power assist steering system, comprising:
- setting a level of performance of the power assist steering system as a function of an operator command and position of a steering control.
A system for controlling a pallet truck, comprising:
- a traction motor for driving the pallet truck;
- a control arm for steering a drive wheel that controls a direction of travel of the pallet truck;
- a steer motor for providing torque for steering the drive wheel;
- and
- a processor controlling the traction motor and the steer motor according to a monitored movement and position of the control arm in conjunction with a monitored amount of torque applied to the control arm.
A method for controlling a motorized vehicle, comprising:
- controlling acceleration, deceleration, braking, and travel speed of the motorized vehicle according to a vertical and horizontal position of a steering controller.
Dependencies are inferred from the claim text.