VEHICLE ANTI-INTRUSION DEVICE FOR A TRAFFIC LANE AND VEHICLE ANTI-INTRUSION BARRIER FORMED BY MEANS OF SEVERAL OF THESE DEVICES

摘要

This device (1) comprises a baseplate (5), at least one post (6) connected to the baseplate (5), movable in relation to this baseplate between a prone position and an upright position, and locking means (25) for locking each post (6) in the upright position. According to the invention: - the baseplate (5) is intended to be placed on the ground and comprises an opening in the bottom thereof; - the device (1) further comprises at least one stop bar (7) pivotally mounted in the baseplate (5), which is movable between an inactive, folded, position, an active, oblique, position; and - a hinged connection (8) connecting said post (6) and said stop bar (7) so that a forcing of the post (6) causes the instantaneous passage of said stop bar (7) from said inactive position to said active position.