Patent ID: 6402422
Filing Date: 2002-06-11
Classification: E01F

Abstract:
A vertical multi-panel system comprising:a. a vertical panel comprising first and second panels, each panel comprising opposing first and second panel surfaces and a plurality of edges comprising a base edge and a top edge; b. a support member connecting the first and second panels, wherein the first panel has a top edge that is located proximate to the second panel base edge, so that the first panel is disposed below the second panel; c. a tab extending from the first panel base edge and terminating at a tab bottom edge, the tab comprising two opposing side surfaces extending between two opposing side edges, wherein at least one of the tab side surfaces includes a tab groove extending from the tab bottom edge towards the first panel base edge; and d. a base comprising a top surface and a slot extending from the top surface downwardly through at least a portion of said base, wherein the slot has a shape which complements at least a portion of the tab and the tab groove; e. said tab being insertable into said slot to releasably attach said vertical panel to said base, such that when said vertical panel system is impacted by a vehicle, said vertical panel detaches and breaks away from said base.