Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Patent
1995-05-01
1997-03-25
Ferensic, Denise L.
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
404 90, 404103, 299 391, E01C 1922
Patent
active
056138008
ABSTRACT:
Pavement repairs are made by a single person working alone with the new repair apparatus. Blacktop is stored in a sander bin on a truck. An operator periodically replenishes a hopper from the sander bin by aligning the hopper under a discharge assistant of the sander bin and activating the discharge assistant. Standing on a platform at the side of the frame, the operator moves hydraulic controls to move a carriage with hydraulic cylinders from side to side and back and forth on a frame cantilevered from the rear of the truck and anchored to the truck body beneath the sloping sides of the sander bin. The operator aligns an auger guide mounted on the carriage with a hole and lowers a digging auger into the hole. Loose material is removed by air blasts and vacuum. The operator then raises the digging auger and moves the carriage to align the lower end of a sloping discharge chute over the hole. A hydraulic motor is activated to drive a discharge auger in the chute to fill the hole with material from the chute and the bin. Roller support arms are then pivoted downward to swing a roller outside the chute downward into contact with the repair. The operator moves the carriage and the roller back and forth over the repair. The support arms and the roller are raised before the carriage moves the digging auger to the new holes.
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Creighton Wray James
Ferensic Denise L.
O'Connor Pamela A.
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