Collapsible highway barrier

Details Collapsible highway barrier Collapsible highway barrier

1988-02-23

1988-11-15

Massie, IV, Jerome W.

Road structure, process, or apparatus

Traffic steering device or barrier

256 131, A01K 300, E01F 1500

Patent

active

047845155

ABSTRACT:
A highway barrier includes a collapsible guardrail assembly and a rotatable beam which is mounted between the rearward end of the guardrail assembly and a roadside hazard. The collapsible guardrail assembly includes a plurality of overlapping panels, adjacent ones of which are secured together by fasteners riding in slots. The fasteners are designed to retain the panels together after the impact and the fasteners are positioned with respect to the panels to cause the panels to tend to rotate away from the roadside during the impact, thereby redirecting the vehicle away from the roadway. The beam is rotatably mounted to the roadside hazard by a band and the forward end of the beam as well as the forward end of each of the panels is supported above the ground on a respective slip base designed to release in response to axial forces and to resist lateral forces. When an impacting vehicle engages the beam, the beam rotates away from the roadway around the roadside hazard, thereby redirecting the vehicle away from the hazard.

REFERENCES:
patent: 1867671 (1932-07-01), Massoll
patent: 1870639 (1932-08-01), Mueller
patent: 2004026 (1935-06-01), Wooten
patent: 2121379 (1938-06-01), Young
patent: 2204557 (1940-06-01), Ahles
patent: 2776116 (1957-01-01), Brickman
patent: 2974934 (1961-03-01), White
patent: 3643924 (1972-02-01), Fitch
patent: 3796410 (1974-03-01), Konstant
patent: 3845936 (1974-11-01), Boedecker, Jr. et al.
patent: 3856268 (1974-12-01), Fitch
patent: 4198036 (1980-04-01), O'Neal
patent: 4330106 (1982-05-01), Chisholm
patent: 4607824 (1986-08-01), Krage et al.
patent: 4678166 (1987-07-01), Bronstad et al.

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