Bollard trafficway barrier and vehicle arrest system

Details Bollard trafficway barrier and vehicle arrest system Bollard trafficway barrier and vehicle arrest system

1984-12-06

1986-03-18

Novosad, Stephen J.

Road structure, process, or apparatus

Traffic steering device or barrier

49 49, 49131, 404 11, 256DIG5, E01F 1300, E01F 1500

Patent

active

045765081

ABSTRACT:
A bollard type trafficway barrier for arresting vehicles, comprised of a cast in place foundation and a mounting frame replaceable therein to carry a lift means for the bollard that is directionally oriented with respect to traffic so as to withstand great impacts, and with access for replacement of the bollard, extension and retraction being instantaneous by impact resistant fluid power and controls, the installation being flush with the grade when retracted and the bollard being remotely controlled for above grade extension and retraction.

REFERENCES:
patent: 3086430 (1963-04-01), Emmel
patent: 3462023 (1969-08-01), Grove
patent: 3660935 (1972-05-01), Boots
patent: 4490068 (1984-12-01), Dickinson

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