Geometrical instruments – Gauge – Coordinate movable probe or machine
Reexamination Certificate
2007-12-21
2009-12-01
Smith, R. A. (Department: 2841)
Geometrical instruments
Gauge
Coordinate movable probe or machine
C033S557000
Reexamination Certificate
active
07624510
ABSTRACT:
One aspect of the present invention comprises a coordinate measurement apparatus that includes an articulated arm having a first end, a second end, and plurality of jointed arm segments therebetween, each arm segment including at least one position transducer. A measurement probe assembly is coupled to the second end of the arm. The measurement probe assembly comprises a first joint providing a first axis of rotation between the second end of the arm and a body of the measurement probe assembly. An encoder includes an encoder housing and an encoder shaft. The encoder housing is configured to rotate about a second axis with respect to the encoder shaft, which is rigidly coupled to the body. A probe is rigidly coupled to the encoder shaft. A measurement device is coupled to the encoder housing such that the measurement device rotates about a second axis with respect to the probe.
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International Search Report and Written Opinion for PCT/US2007088735 mailed Mar. 31, 2008.
Hexagon Metrology, Inc.
Knobbe Martens Olson & Bear LLP
Smith R. A.
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