Personal lighting device

摘要

A lighting device includes a first and second housing; the first housing has an inner threading and a first protrusion. The lighting device includes a second housing having an outer threading and a second protrusion. A user advances one protrusion over the other in order to activate the lighting device. The lighting device also includes an arm that is part of the first housing and a post that is part of the second housing. The arm and post prevent the first housing from rotating to a point where the threading of the housings release. The arm may be flexed inwards to prevent allow for the release of the first housing.

主权项

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.