Patent ID: 7172176

Claim:
Modular crowd control barrier apparatus comprising: a horizontal base; an elongated barrier frame pivotally connected on one extremity medially to the base to divide the base into a forward section and rearward section, and pivotal from a collapsed position coextensive with the base to a raised vertical position, the frame formed with a horizontally projecting hollow load bearing extruded top rail defining when said frame is in its vertical position, a rounded top surface, and configured with a rearward projecting tubular wall defining a horizontal journal bore, the wall formed along its length with a predetermined number of longitudinally spaced apart, rearward opening clearance slots; a predetermined number of struts releasably connected on their respective one extremities to the rearward section of the base and angling, when the frame is in its raised position, upwardly toward the top rail in a support position, and configured at their respective top extremities with the bosses received in their respective clearance slots and formed with respective strut bores aligned with the journal bore; a journal received in the journal and strut bores to pivotally connect the respective upper extremities to the top rail.