Structure supporting apparatus
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United States of America Patent
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-
Jun 5, 2001
Grant Date -
N/A
app pub date -
Sep 13, 1999
filing date -
Sep 18, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
To provide a structure supporting apparatus that enables an upper structure to be lifted up to a precise position with respect to a lower structure in a simple and reliable manner and also can be used as a supporting member as it is without fitting any stop members or equivalent, to provide improved workability. In a structure supporting apparatus in which an upper pressure-bearing member and a lower pressure-bearing member is moved relative to each other in the state of being laid one on another to vary the thickness of the upper pressure-bearing member and the lower pressure-bearing member in an overlaying direction, a driving device for driving the lower pressure-bearing member is so constructed that power input from a drive shaft can be transmitted to a feed screw through a reduction gear mechanism including intermediate gear elements.
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