Invention Grant
US08322946B2 Automatically adjustable rolling screed 有权
自动调节熨平板

Automatically adjustable rolling screed
Abstract:
A material leveling system includes a leveling-implement assembly adapted for leveling material to a final grade level, a frame supporting the leveling-implement assembly, and an implement positioning assembly controlling the position of the leveling-implement assembly relative to the frame. The leveling-implement assembly includes an implement that contacts a construction material during the leveling process.
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