US Patent 7534975 Flashlight and light source selector

A selector arrangement comprises a support member including a spring member adjacent an opening therein, and a rotary electrical switch supported within the support member and having plural rotational selection positions. The rotary electrical switch is actuatable about a radial extending through the opening of the support member by a rotatable selector knob in the opening of the support member. The selector knob and the spring member may cooperate to provide a detent, or to retain the selector knob in the support member, or both.