Patent ID: 7118304

Claim:
An automatic self-contained below-grade collapsible traffic barrier system comprising: a) a vault having a top, a bottom, two ends, an approach side and a shoulder side; b) a rod rotatably mounted to support members inside said vault, said rod extending across said vault from end to end and perpendicular to the direction of traffic movement; c) at least one bollard having a first end and a second end, said at least one bollard being coupled to said rod substantially near said first end, whereby rotation of said rod rotates said bollard to extend the second end thereof above said vault in a vertical direction, hereafter raised position; d) a sleeve disposed for removably receiving said at least one bollard near said first end thereof, said sleeve being secured to said rod by means of at least one bracket welded to both said sleeve and said rod, said bollard being removably secured to said sleeve by means of a removable pin; e) an actuator having a first end anchored within said vault and a second end coupled to said rod through an arm, said actuator being disposed for rotating said rod; and, f) a stop anchored to the bottom of said vault for engaging the first end of said bollard when said bollard is in said raised position.