Concrete block mold with movable liners with master bar
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United States of America Patent
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May 29, 2012
Grant Date -
Dec 10, 2009
app pub date -
Jun 5, 2009
filing date -
Jul 29, 2003
priority date (Note) -
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Abstract
A mold assembly for use with an automated dry cast concrete machine including a plurality of mold cavities, each mold cavity formed by a plurality of liner plates, wherein at least one liner plate of each mold cavity is moveable between an extended position and a retracted position relative to an interior of the mold cavity. The mold assembly further includes a master bar in mechanical communication with the at least one moveable liner plate of each of the mold cavities, and an actuator configured to drive the master bar in a first direction and a second direction, which is opposite the first direction, to respectively direct movement of the at least one moveable liner plate of each of the mold cavities between the extended and retracted positions.
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