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Abstract

A laser robot system including an offset robot. The system includes a laser beam generator for generating a laser beam. The robot includes a pedestal having a vertical first axis and a hollow base support on the pedestal for rotation about the first axis and for receiving the laser beam along the first axis. A single computer-based controller controls the laser beam generator, a drive system of the robot and an air source which is in fluid communication with the base of the robot. The air source pressurizes the laser beam path through the robot, thereby preventing contamination of the beam path. A hollow arm support in the form of a swing block is laterally supported on the base for rotation relative to the base about a horizontal second axis which intersects the first axis. A robot arm is elongated along a third axis which is obliquely angled to and intersects the second axis. The robot arm is laterally supported on the swing block for pivotal rotation therewith relative to the base about the second axis. First and second mirrors are supported within the base and the arm, respectively, so that a laser beam traveling along the first axis is deflected to then travel along the second axis and then deflected to travel along the third axis and through an optical focusing assembly on the arm. The first mirror is reversible so that the base can receive the laser beam from opposite directions.

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