Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1995-06-26
1997-02-25
Bennett, Henry A.
Road structure, process, or apparatus
Traffic steering device or barrier
404 9, 256 131, 527304, 527305, E01F 1500
Patent
active
056054130
ABSTRACT:
An elongated hollow rotationally molded high density polyethylene highway barrier has two elongated generally parallel sidewalls, two generally vertical end walls, and a plurality of longitudinal reinforcing members extending from one end wall to the other. The longitudinal reinforcing members extend from respective vertical end walls and terminate in loops which may be joined to like loops on an adjacent barrier for interconnecting the barriers. The longitudinal reinforcing members are typically steel cables. In one form, both end walls have central vertical notches arranged so that the notch end of one barrier may be aligned with the notch end of another barrier and the two barriers moved toward one another with the notches aligned. In this form, there are two steel cables passing through longitudinal holes in each barrier to be joined within the two aligned end notches. In another form, one barrier end is notched vertically while the opposite end has a central vertical protrusion. The protrusion and notch are arranged so that the notch end of one barrier may be aligned with the protrusion end of another barrier and the two barriers moved toward one another with the notch receiving the protrusion to aid in maintaining alignment of the two barriers. In this form, there are four steel cables received in external sidewall grooves. Straps may be provided for retaining the cables in the grooves.
REFERENCES:
patent: 5387049 (1995-02-01), Duckett
patent: 5425594 (1995-06-01), Krage et al.
Bennett Henry A.
O'Connor Pamela A.
Rickert Roger M.
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