Vehicle security barrier

Details Vehicle security barrier Vehicle security barrier

1987-03-19

1988-06-21

Novosad, Stephen J.

Road structure, process, or apparatus

Traffic steering device or barrier

49 33, 49 49, 49131, E01F 1300

Patent

active

047521520

ABSTRACT:
A vehicle security barrier (10) for selectively prohibiting a vehicle from accessing a preselected area and for otherwise controlling vehicular traffic. The security barrier (10) comprises a base (12) defining a travelway (14) over which a vehicle can be driven. The base (12) comprises a forward end portion defining an entryway (20) whereby a vehicle enters onto the travelway (14) and a rearward end portion defining a travelway exit (22) whereby a vehicle exits the travelway (14). The security barrier (10) further comprises a security gate (18) pivotally mounted on the base (12) for being selectively raised to obstruct the travelway (14) and prohibit a vehicle for exiting the travelway via the travelway exit (22). Reciprocal actuating means are also provided for selectively raising and lowering the gate (18). In the preferred embodiment, the reciprocal actuating means comprises a first and second fluid actuated cylinder (64A and B).

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patent: 4152871 (1979-05-01), Kardash, Jr.
patent: 4354771 (1982-10-01), Dickinson
patent: 4490068 (1984-12-01), Dickinson
patent: 4572080 (1986-02-01), Williams et al.
patent: 4574523 (1986-03-01), Nasatka
patent: 4627763 (1986-12-01), Roemer et al.
patent: 4630395 (1986-12-01), Nasatka

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