Concrete block machine having a controllable cutoff bar
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United States of America Patent
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Apr 2, 2013
Grant Date -
Dec 8, 2011
app pub date -
Aug 22, 2011
filing date -
Jul 10, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
An automated concrete block machine including a mold cavity, a feedbox driven between retracted and extended positions and depositing concrete in the mold cavity when at the extended position, a cutoff bar, and a drive system coupled to and driving the cutoff bar in a direction of movement of the feedbox such that a distance between at least a portion of the cutoff bar and a top of the mold varies so that the cutoff bar removes varying amounts of concrete deposited in the mold cavity so that a depth of concrete remaining in at least a portion of the mold cavity varies so as to be unevenly distributed in a desired fashion in the direction of movement of the feedbox.
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