Patent ID: 8226322

Claim:
A self-contained automatic pop-up bollard system for selectively barricading a roadway, said system comprising: a. a vault having a steel lining and a reinforced steel cage surrounding said vault, and adapted to be embedded in concrete in said roadway; and, b. a bollard assembly including: i) at least one bollard slidably mounted over a bollard post disposed for supporting and guiding said bollard in vertical movement; ii) a lifting mechanism having a belt disposed around pulleys, a pair of which are disposed at the bottom and top of said bollard post; and, iii) a fulcrum pivotally mounted about a central shaft and having coupled to one end thereof a drive mechanism and on the opposite end thereof a first end of said belt and a second end of said belt affixed to the bottom of said at least one bollard after passing around said pulleys at the bottom and top of said bollard post, whereby movement of said drive mechanism raises said fulcrum thereby pulling on said belt and thus lifting said at least one bollard.