Collapsible road warning sign having rectangular body - with unfolding reflective triangle and vertically extending frame carrying vertical rotating reflective plates driven by electric motor

摘要

The road warning sign (1) collapses into a rectangular package. The front face carries a reflective triangle with folding sides (9) and a vertical stripe (12) is positioned inside the triangle. Supporting feet are positioned at the sides (23) of the triangle and extend at front and rear from the centre of the based of the sign (13). An array of rotating vertical plates (16) have a half white and half reflective covering and are mounted on a frame (14) which pulls out of the sign by a handle (15). The plates are driven by an electric motor which operates intermittently to show the white then reflective surfaces.