Patent ID: 7350441
Filing Date: 2008-04-01
Classification: B23B,B23Q,G05B,Y10T

Abstract:
1. A dual in-line actuator for use in machining a work piece, comprising: a main body having an aperture with an opening in the main body; a paddle having a first side and a second side opposite the first side; a tool tip carrier having a surface for mounting a tool tip; a first piezoelectric stack attached to first side of the paddle; and a second piezoelectric stack having a first end attached to the second side of the paddle and having a second end, opposite the first end, attached to the tool tip carrier, wherein the first and second piezoelectric stacks, attached via the paddle, are secured and preloaded in the aperture of the main body, and wherein the first piezoelectric stack moves the tool tip carrier in an x-direction substantially perpendicular to a surface of the work piece to be machined and the second piezoelectric stack moves the tool tip carrier in the x-direction substantially perpendicular to the surface of the work piece independent from the movement of the first piezoelectric stack.