Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1996-10-18
1998-10-20
Graysay, Tamara L.
Road structure, process, or apparatus
Traffic steering device or barrier
49 9, E01F 1300
Patent
active
058237054
ABSTRACT:
A restraining barrier is positionable across a roadway in a deployed position to define a restraining zone and may be moved vertically to a passive position by first and second transport components. Opposite ends of the barrier are coupled to the first and second transport components, respectively, and also couple the barrier to first and second energy absorbers of differing restraintive force in order stop vehicles of varying weight. A support cable is coupled to an indicator for providing a signal indicating vehicle impact. Additionally, a series of restraining barriers and energy absorbers may provide a series of sequentially differing restraintive forces to stop lightweight and heavier vehicles. The barrier may be a net and include a lower wire below the net assuring effective trapping of autos and trucks of a variety of heights.
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Jackson Martin A.
Rhatigan John M.
Cohen Jerry
Erlich Jacob N.
Graysay Tamara L.
Lagman Frederick L.
The Entwistle Company
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