US Patent 7635195 Headlamp that is convertible to a lantern

A headlamp (20) that is convertible to a lantern. In an embodiment, the headlamp (20) includes an extension housing (24) and a main housing (22). The extension housing (24) is translatable relative to the main housing (22). In a first position, when the extension housing (24) is fully pressed into the main housing (22), a primary light (44) for the headlamp (20) is illuminated, providing a headlight function. The opposite end of the main housing (22) may include, for example, a clip, clasp, or other suitable structure (34) for attaching the headlamp to a headband.