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Personal lighting device

  • US 9,028,112 B2
  • Filed: 03/15/2013
  • Issued: 05/12/2015
  • Est. Priority Date: 01/03/2011
  • Status: Active Grant
First Claim
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1. 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, the first housing further having an arm;

    (b) a second housing including a lighting mechanism cavity, an outer threading, a second protrusion, the second protrusion having a first and second side, 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 on the first side, the second position on the second side, the second housing further having a post, the post interacting with the arm such that the post and arm prevent the first housing from being unscrewed from the second housing unless the arm is flexed closer to a center of the first housing;

    (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 on the first side, the LED is not activated; and

    when the first protrusion is on the second side, the LED is activated.

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