Patent ID: 7448770

Claim:
In an incandescent type light projecting flashlight including (i) a barrel defining a fixed battery compartment volume adapted to receive one or more batteries and (ii) a reflector housing which is connected with said barrel and which together with said barrel define an overall envelope for the flashlight, a method of converting said incandescent type light projecting flashlight into a flashlight using at least one solid state light source and a cooperating printed circuit board, the incandescent type flashlight having (i) a light reflector arrangement supported within the reflector housing, said light reflector arrangement being configured to include a light reflecting surface circumscribing a given area which defines a central axis of illumination and (ii) an incandescent light source located at said given area, the improvement comprising: (a) replacing said incandescent light source with said at least one solid state light source and said cooperating printed circuit board such that said at least one solid state light source is located within said given area and said cooperating printed circuit board is located within the overall envelope of the flashlight; and (b) replacing said light reflector arrangement with a smaller light reflector arrangement within said light reflector housing, (c) said steps of replacing said incandescent light source and said reflector arrangement being carried out without changing the dimensions of the overall envelope of the flashlight.