Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1990-04-16
1991-04-09
Neuder, William P.
Road structure, process, or apparatus
Traffic steering device or barrier
404 10, E01F 1300, E01F 1500
Patent
active
050060082
ABSTRACT:
A shock-absorbing and motorist warning highway barrier is provided comprising a plurality of elongated upstanding units adapted to be joined in end to end relation, each unit comprising an outwardly flared base and an upstanding central portion having interfitting protrusions at opposed ends thereof facilitating end to end coupling of adjacent units, opposed side surfaces of the upstanding portion having a plurality of transversely aligned and longitudinally spaced recesses to receive resilient cylindrical members in a manner to protrude substantially from such surfaces, the cylindrical members being insertable and removable through the top of the unit and being secured in place by a cover member having downward protrusions interfitting with the aligned recesses in said unit. In preferred adaptations each unit may have a sinusoidal contour in the longitudinal dimension incorporating two sine curves, and/or the recesses and cylindrical members mounted therein may be outwardly inclined about 5.degree. to 10.degree. from the vertical. To facilitate direction change in aligning units to form a highway barrier, connecting units are provided having closely spaced angularly disposed coupling end portions, and providing at one side thereof one recess to receive a single resilient cylindrical member. The main barrier units and connecting units may be molded concrete, but are preferably formed as thin-walled plastic shells to be filled with water, sand or cement at the time of installation. The cylindrical members can be solid resilient members or thin-walled plastic members filled with compressed air, liquid or sand.
REFERENCES:
patent: 4822208 (1989-04-01), Ivey
patent: 4854767 (1989-08-01), Sasaki
patent: 4869617 (1989-09-01), Chiodo
patent: 4925333 (1990-05-01), Bishop
Neuder William P.
Thompson, Jr. Howard E.
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