Linear motion rolling guide unit with detection device
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United States of America Patent
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Aug 31, 1999
Grant Date -
N/A
app pub date -
Aug 15, 1997
filing date -
Aug 15, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This linear motion rolling guide unit is able to detect the relative positions and so forth of a track rail and slider by forming narrow grooves 21e in track rail 21 and arranging extremely narrow, linear scales 31 and 32 in those grooves. Thus, it is easy to reduce the size of this linear motion rolling guide unit, it is able to flexibly accommodate the particular conditions of use, and it is also inexpensive.
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