Patent ID: 6928952
Filing Date: 2005-08-16
Classification: E01F

Abstract:
1. A safety marker device, comprising: (a) a base having a circular opening; (b) a flexible means coiling over said base in decreasing diameters around the center of the opening; wherein the largest of said diameters is sufficiently larger than the diameter of the circular opening; and wherein said flexible means having a degree of flexibility enabling a fast impulse response to direct and indirect perturbations; wherein said flexible means maintains in an original position in absence of said indirect and direct perturbations and flexes from said original position to a bent position in presence of any of said indirect and direct perturbations, wherein said bent position is characterized by having part of said flexible means bent up to a substantially horizontal position with respect to said base, and (c) a cover covering said flexible means; wherein said safety marker device has a substantially low center of gravity and is capable of self-righting substantially immediately after being run over by a vehicle or dropped on the ground; wherein the improvement comprises: (d) a holding means attached to said base for holding down said flexible means to said base in a reduced, compact position; wherein said holding means is selected from the group consisting of a cover, a lid, a light-emitting device, a sign, a mirror, a box, a case, a hook, a latch, a strap, Velcro, a pin, a lock, and combination thereof.