Patent ID: 7543953

Claim:
A flashlight comprising: a base section housing forming a battery compartment for holding at least one battery; a base tube attached to the base section a base cap and an end cap on the base section, with the base tube attached to the base cap; a lens tube attached to the base tube via screw threads; at least one lens supported on the lens tube; a base attached to the base tube; an LED on the base; a switch electrically connected to the battery compartment and to the LED, with the switch actuated by turning the lens tube relative to the base tube; and a post having a first end attached to the base cap, and a second threaded end, and with the end cap held onto the post and the base section housing by a cap nut having a sealing element and a retainer retaining the cap nut to the end cap while allowing the cap nut to rotate relative to the end cap.