Concrete-block-making machine
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United States of America Patent
Stats
-
Oct 9, 2007
Grant Date -
Sep 1, 2005
app pub date -
Feb 2, 2005
filing date -
Feb 13, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a concrete-block-making machine having a part which is displaceable via a linear drive, the linear drive comprising a drive unit and a linear guide for guide rollers, the drive unit comprising at least one linear motor and the linear guide comprising at least one guide rod for the guide rollers, the at least one guide rod and the guide rollers movable relative thereto being hardened, and guide rollers and guide rod being arranged with slight play relative to one another.
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