Joint for coordinate measurement device
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United States of America Patent
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Jun 16, 2009
Grant Date -
Jan 15, 2009
app pub date -
Jul 9, 2007
filing date -
Jul 9, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An articulating joint for a coordinate measurement machine can include an improved optical encoder. The optical encoder can have an encoder hub and a read head that are rotatable with respect to each other based on movement of the articulating joint about an axis of rotation of the joint. The encoder hub has a read surface. The read surface can be an outer surface of a generally cylindrical segment. The read head can be positioned such that a read direction defined by the read surface is generally perpendicular to the axis of rotation of the articulating joint.
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