CONCRETE SCREEDING MACHINE WITH IMPROVED AUGER
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United States of America Patent
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Issued Date -
Oct 2, 2014
app pub date -
Mar 28, 2014
filing date -
Mar 29, 2013
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Abstract
A screeding machine for screeding a concrete surface having a partially cured concrete area and a newly placed concrete area includes a wheeled unit and a screeding head attached at the wheeled unit. The wheeled unit has a plurality of wheels for moving the wheeled unit over a support surface. The screeding head assembly includes a grade setting device and a vibrating member and is movable over the concrete area via the wheeled unit. The grade setting device includes an auger device having a longitudinal body and at least one flighting helically disposed around and along the body. The spacings between respective longitudinally adjacent vane portions of the at least one flighting vary longitudinally along the auger device.
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