Patent ID: 7074112

Claim:
An apparatus that holds and tilts a tool with respect to a base, the apparatus comprising: (a) the base mountable to a machine, the base having a first base pivot, a second base pivot, and a third base pivot, the first and second base pivots defining a first base line having a base inter-pivot distance; (b) a first fixed-length pivot arm coupled to the first base pivot wherein an angle between the first base line and the first pivot arm defines a control angle; (c) a second fixed-length pivot arm coupled to the second base pivot; (d) a third fixed-length pivot arm coupled to the third base pivot; (e) a tool holder having a first tool holder pivot coupled to the first pivot arm, a second tool holder pivot coupled to the second pivot arm, and a third tool holder pivot coupled to the third pivot arm, the first and second tool holder pivots defining a tool holder line having an inter-pivot distance different than the base inter-pivot distance, and the tool holder arranged for holding the machine tool; and (e) a pair of actuators that changes the control angle.