Patent ID: 7264417

Claim:
A vehicle barrier system positionable in a vehicular passageway for permitting selective obstruction of the vehicular passageway, comprising: a security barricade movable between an open position for permitting passage of a vehicle through the vehicle barrier system and a closed position for obstructing passage of the vehicle through the vehicle barrier system; a hydraulic actuator operatively connected to the security barricade for moving the security barricade between the open and closed positions; a pump for supplying hydraulic fluid to the hydraulic actuator; a DC motor for operating the pump; a controller for controlling activation of the DC motor; a battery for supplying power to the DC motor in a normal operation mode to operate the pump so that the hydraulic actuator may move the security barricade between the open and closed positions at a first operating speed; and a hydraulic accumulator for storing hydraulic fluid under pressure and supplying the stored, pressurized hydraulic fluid, either alone or in combination with hydraulic fluid supplied from the pump, to the hydraulic actuator in an emergency operation mode for moving the barricade between the open and closed positions at a second operating speed which is greater than the first operating speed.