Patent ID: 7941952

Claim:
A pop-open warning sign, comprising: an upstanding support frame, including: a vertex consisting of a single part defining a hub having at least three evenly spaced arms radiating outward therefrom and angling downward from the hub at about the same angle as the others, each arm defining a solid resilient hinge; an elongated tubular leg having an upper end rigidly coupled to an outer end of an associated one of each of the arms for biased rotation via the resilient hinge thereof between a deployed position extending downwardly and outwardly from the vertex and a contracted position disposed generally parallel to a vertical axis extending through the center of the vertex; and, a ground contacting foot disposed at a lower end of an associated one of each of the legs; and, a pyramidal, skirt made of a flexible material and comprising a plurality of triangular panels connected together at lateral edges thereof and draped over the support frame such that each of the panels is respectively disposed between an associated pair of adjacent legs and is stretched taut therebetween when the associated pair of legs is disposed in the deployed position.