发明名称 Road widener
摘要 An improved road widener capable of quick and easy conversion from widening the road on the right side of the device to widening the road on the left side. The road widener's chassis contains recesses on both sides which extend within the tread width of the wheels and which can receive the strike-off tool and a post supporting the strike-off tool. A conveyor for dispensing asphalt material is mounted on rollers such that it can shift from a position extending from one side of the chassis to a position on the other side. The conveyor has two motors such that it can be easily changed from conveying in one direction to the opposite direction. The side of the device being paved can be quickly, simply and easily changed by retracting the strike-off tool and support post into the recess on one side, extending the strike-off tool and support post on the other side, shifting the conveyor from extending from one side to extending to the other side, and reversing the direction of drive motors.
申请公布号 US4861191(A) 申请公布日期 1989.08.29
申请号 US19880206312 申请日期 1988.06.14
申请人 BARBER-GREENE COMPANY 发明人 SMITH, DONALD W.;PLOCIENNIK, JAMES J.
分类号 E01C19/18 主分类号 E01C19/18
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