Measurement device and process for determining the straightness of hollow cylindrical or hollow conical bodies and their orientation relative to one another
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United States of America Patent
Stats
-
Dec 25, 2007
Grant Date -
Oct 27, 2005
app pub date -
Apr 21, 2005
filing date -
Apr 23, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Device for determining the straightness of hollow cylindrical surfaces and partial surfaces thereof, and the three-dimensional orientation of several hollow cylindrical surfaces or partial surfaces with reference to at least one of axial parallel offset and angular offset relative to one another. A transmitting/receiving device and a reflector/receiving device are provided which are swingable essentially without play over a respective hollow cylindrical surface or partial hollow cylindrical surface. The transmitting/receiving device has at least one transmitter for emitting light beams and at least one receiver for receiving and for measuring an incidence position of the light beams. The reflector/receiving device has at least one partially-reflective optical element for partial reflection of light beams and at least one receiver for receiving and for measuring an incidence position of a portion of the light beams. The relationship between circular lines produced on the detectors in different phases of measurement is used.
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