Back to results
US 7,070,296 B2Granted
Flashlight
AssigneeMag Instrument, Inc.
InventorAnthony Maglica
Life of this patent
Estimating the term…
Abstract
A flashlight as disclosed to comprise a barrel, a tail cap, a head assembly, and a miniature lamp bulb holder and for providing interruptible electrical coupling to dry cell batteries retained within the barrel. One-way valves may be positioned at seal locations in association with passageways to allow venting of overpressure within the interior volume of the flashlight.
Claims3
A water resistant flashlight having an internal volume sized to receive one or more batteries, the flashlight comprising:
- a passage extending from the internal volume of the flashlight to atmosphere;
- a valve in said passage and adapted to permit gas to move from the internal volume to atmosphere while inhibiting fluids from moving from atmosphere to the internal volume.
A flashlight comprising:
- an enclosed housing having a closed internal volume and a passage extending from said closed internal volume to atmosphere, wherein said closed internal volume is adapted to receive one or more batteries to power the flashlight;
- a light source;
- an electrical circuit extending from said housing to said light source;
- and
- a one-way valve in said passage and adapted to permit gas to move from said closed internal volume to atmosphere while inhibiting fluids from moving from atmosphere to the internal volume.
2 more elements
Dependencies are inferred from the claim text.