US Patent 7563001 Module adapter for portable light sources

An adapter for a portable light source permits a module to be attached to the portable light source and powered by the power source of the portable light source. In one embodiment of the invention, the power source is a battery and the adapter includes a bottom plate and a housing defining a compartment that holds the module. In this embodiment, the bottom plate of the adapter features a positive contact opening and a negative contact opening adapted to receive and electrically communicate with the positive and negative terminals of the battery. The bottom plate of the adapter also includes positive and negative contact leads which communicate with the contact openings and the module so that the latter receives power from the battery.