US 2009/0021928 A1 · Flashlight

Abstract

A flashlight in accordance with the present invention includes a chamber, end cap, head assembly and lamp holder assembly. The end cap includes a bowed tripod portion to facilitate standing the flashlight on a flat surface. The head assembly includes a reflector and a lens. In one embodiment of the invention, the head assembly includes an elliptical reflector. In accordance with another embodiment of the present invention, the flashlight having a elliptical reflector is matched with a negative or planar lens. In accordance with another embodiment of the present invention, the head assembly includes an hyperbolic reflector. In accordance with another embodiment of the present invention, the flashlight having a hyperbolic reflector is matched with a positive or planar lens. In accordance with another aspect of the present invention, the flashlight includes electrode connections which prevent the conduction of electrical energy from batteries which are improperly aligned within the flashlight. In another embodiment, the lamp holder assembly includes a lamp socket having a lamp guide which provides a guide for installing lamp bulbs into the lamp socket and also provides a secure position for the lamp bulb. In accordance with one embodiment of the present invention, the flashlight includes a lamp holder assembly which includes a notch capable of receiving and holding a spare lamp. In another embodiment, the lamp holder assembly further includes a fluorescent coating or additive which illuminates light in otherwise dark conditions, thereby facilitating lamp replacement in the less than desirable light conditions.

Claims19

Dependent claims

A lighting apparatus, comprising:

a chamber for retaining at least one battery;
a light source;
a switch for selectively electrically coupling said light source and said at least one battery retained by said chamber;
a reflector surrounding said light source to project light from said light source;
a head component housing said reflector that is rotatably secured to said chamber so that said head component may rotate relative to said chamber without axial movement of said head component relative to said chamber to cause said switch to selectively electrically couple said light source and said at least one battery;
and
a bezel that is rotatably secured to said head component so that said bezel may rotate relative to said chamber without axial movement of said bezel relative to said head component to cause said reflector to move axially relative to said light source.

4 more elements

Dependencies are inferred from the claim text.

Flashlight

Life of this patent

Flashlight

Life of this patent

Abstract

Claims19