Patent ID: 8523398

Claim:
A road flare comprising: a lighting device having a housing; said lighting device having a circuit attached to said housing, said circuit including a light source, a source of electric power and a gravity power controller; said gravity power controller configured to energize said light source with said source of electric power, and said light source configured to emit a light if an orientation indicator of said lighting device is within a tilt angle, said tilt angle having a magnitude about a vertical; said lighting device having a storage orientation for positioning said orientation indicator exterior to said tilt angle and for de-energizing said light source; said lighting device having a deployment orientation for standing on a horizontal road, wherein said orientation indicator is within said tilt angle; and said lighting device having a transporting orientation, wherein said orientation indicator is aligned with the vertical and configured to emit said light about a horizontal, said lighting device further configured to emit said light upon a rotation within said tilt angle about said transporting orientation, whereby said lighting device is configured to illuminate a person transporting said lighting device.