Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1988-07-15
1989-03-28
Massie, IV, Jerome W.
Road structure, process, or apparatus
Traffic steering device or barrier
404 10, 404 13, 256 131, E01F 1300, E01F 900
Patent
active
048158895
ABSTRACT:
A lane barrier system comprises a plurality of pivotally interconnected modules adapted to be transferred on a roadway. Each adjacent pair of modules are pivotally connected together by hinge connections to permit the modules to pivot relative to each other about a vertical pivot axis. A pivot control connected to at least one of the hinge connections permits the pivot axis to move between the modules whereby the modules are capable of elongating or contracting to assume a composite varied length. The pivot control further functions to fix the position of the pivot axis between the modules to rigidify the lane barrier system longitudinally and to place it in tension when lateral loads are imposed thereon, such as when impacted by a road vehicle. The ability of the lane barrier system to elongate or contract is advantageous when the system is picked-up by a transfer vehicle for relocation on a roadway and when the system is positioned at various radii on a curved roadway. In the disclosed embodiment of this invention, the pivot control is responsive to lifting of the modules from a roadway to place them in condition permitting them to elongate or contract.
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Barrier Systems, Inc.
Letchford John F.
Massie IV Jerome W.
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