Importance

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Abstract

A road-sweeping machine designed to be towed behind a truck for removing road debris, including motor vehicle tires and tire fragments, includes a brush assembly that engages the roadway surface and sweeps debris from the roadway onto a first conveyor belt that transports the debris away from the brush. The debris is then constrained between the first conveyor and a second conveyor for delivery to debris receptacle. Both conveyor belts are entrained about a series of rollers supported by related frame structures including rollers mounted on pivotable links that allow the two confronting conveyor belts to move toward and away from one another in response to the size of the debris being constrained between the two conveyors. The tension on the self-adjusting conveyor belts is controlled by a pivotally mounted roller that maintains tension on both belts while self-repositioning in response the separation between the belts caused by the size of the debris being accommodated.

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First Claim