Movable barrier

Details Movable barrier Movable barrier

1989-06-05

1991-07-23

Britts, Ramon S.

Road structure, process, or apparatus

Traffic steering device or barrier

404 9, 256 131, E01F 1300, E01F 1500

Patent

active

050339052

ABSTRACT:
This invention relates to a road barrier, particularly to a road barrier for separating traffic lanes on a bridge. In the preferred embodiment, the barrier is made up of beams formed from steel three-beam guardrail sections. Steel tubes or flanges are welded to the top and bottom of the guardrail sections and a transverses stiffener is welded to one side. The barrier's sections are removable mounted by pins in anchors attached to the bridge deck.

REFERENCES:
patent: 2927513 (1960-03-01), Dove
patent: 3250032 (1966-05-01), Von Gal, Jr. et al.
patent: 3335534 (1967-08-01), Hester et al.
patent: 3391620 (1968-07-01), Mahoney
patent: 3572223 (1971-03-01), Vierregger
patent: 4269534 (1981-05-01), Ryan
patent: 4498803 (1985-02-01), Quittner
patent: 4500225 (1985-02-01), Quittner
patent: 4592158 (1986-06-01), Seely
patent: 4596489 (1986-06-01), Mariol et al.
patent: 4624601 (1986-11-01), Quittner
patent: 4681302 (1987-07-01), Thompson

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