Apparatus for controlled manipulation of laser focus point
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United States of America Patent
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Dec 2, 1986
Grant Date -
N/A
app pub date -
Apr 18, 1984
filing date -
Apr 18, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A machine for program controlled working a material with laser light is provided. The machine includes first movable members for effecting changes of position of a tool centerpoint associated with a function element carried by the machine. Second movable members effect changes in attitude of the function element through the tool centerpoint. A laser light beam is focused to a focus point by a focusing element supported by one of the second members. The laser light beam is conducted to the focusing element by an articulated light pathway from a laser light source. The articulated pathway comprises tubular segments connected at joints to redirect the laser light beam from one tubular segment to another. Each segment is mounted to the joint so as to be rotatable about the longitudinal axis of the segment. Adjustable stops are provided to limit the range of rotation of tubular segments as required.
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