Patent ID: 8809731
Filing Date: 2014-08-19
Classification: B23K,F16P,Y10T

Abstract:
1. A machine tool comprising: a laser head configured to be movable in two orthogonal directions with respect to a workpiece support and to direct laser light onto a workpiece positioned on the workpiece support; a skirt mounted to move with the laser head in at least a first of the two orthogonal directions and positioned to intercept laser light reflecting in the first of the two orthogonal directions from the workpiece, the skirt defining an opening arranged to permit light reflecting from the workpiece in the second of the two orthogonal directions; and a protective cover mounted to move with the laser head in the first of the two orthogonal directions while permitting relative movement of the laser head with respect to the protective cover in the second of the two orthogonal directions, the protective cover positioned to intercept light reflected off of the workpiece in the second of the two orthogonal directions.