Patent ID: 8251456

Claim:
A locking mechanism, comprising: an elongate body having first and second rails each having a first end and a second end and a void disposed therebetween, a slot disposed in the first end of each rail, and a pad connected to each of the rails at the second ends to join the first and second rails, wherein the pad includes an opening; a mid bar rotatably connected to the first and second rails by an attachment mechanism and positioned within the void, wherein the mid bar includes a first end and a second end; and an extension disposed at the second end of the mid bar, wherein the extension is configured to extend through the opening in the pad after rotation of the mid bar in a first direction, wherein the extension extends through the opening in the pad when the locking mechanism is put into a locked state, and wherein the extension is a different color than the rest of the mid bar, such that the mid bar provides a visual indication of the locked state.