US Patent 7845877 Enhanced vehicle barrier system

An enhanced vehicle barrier system. The enhanced vehicle barrier system including bases located on opposite sides of an area through which a vehicle may pass, first and second arms hingably mechanically coupled to a base, first, second and third members, a raising/lowering mechanism, and a cable in mechanical communication with at least one of the first, second, and third members, the cable having connecting points located on opposite sides of the area through which a vehicle may pass, and wherein, in one position, at least portions of the first, second, and third members and the cable may be high enough to encounter a front of a vehicle.