Patent ID: 7881845

Claim:
A loader, comprising: a body having left and right upright tower portions; a loader drive system including ground engaging drive elements; left and right interconnected lift arm assemblies, each assembly having an implement lift arm pivotally connected with a corresponding tower portion of the body at a lift arm pivot point, and a lift actuator connected between the body and the lift arm; an implement pivotally connected with said lift arm assemblies about an implement pivot axis, said lift arm pivot point and said implement pivot axis in side elevation defining a straight reference line; at least one implement tilt actuator connected between at least one of said lift arm assemblies and said implement; a position sensor mounted on said body in fixed relation to said lift arm pivot points; an inclinometer movable with said left and right interconnected lift arm assemblies to provide an indication of the inclination of said lift arm assemblies along said straight reference line; an angle sensor for providing an indication of the orientation of said implement with respect to said left and right interconnected lift arm assemblies; a control, responsive to said position sensor, to said inclinometer, and to said angle sensor, for determining the position of said position sensor and the position of a part of said implement with respect to said position sensor.