Patent ID: 8876340

Claim:
A personal lighting device comprising: (a) a first housing including a light projection portion and an attachment portion, the attachment portion including an inner threading and a first protrusion; (b) a second housing including a lighting mechanism cavity, an outer threading, a second protrusion, and a third protrusion; the second and third protrusions located proximate to each other having a first space and a second space between the second and third protrusions, the first space being less than the second space, the second housing interconnected with the first housing via the inner threading and the outer threading; the first protrusion having a first and second position, the first position between the second and third protrusions in the first space, the second position in the second space, wherein the second protrusion extends a lesser distance from the second housing than the third protrusion; (c) a battery; (d) a printed circuit board (PCB); and (e) a light emitting diode (LED) mounted on the PCB, the battery located between the PCB and the second housing, the PCB located between the battery and the first housing such that, when the first protrusion is in the first position, the LED is not activated; and when the first protrusion is in the second position, the LED is activated.