Patent ID: 7581745

Claim:
An adjustable aluminum trailer bunk comprising: a support housing comprising, a base, a first wall and a second wall connected to the base, each of the first and second walls being substantially flat and extending substantially vertical to define a hollow interior having an open top, each of the first and second walls having a serrated interior surface and at least one corresponding aperture being configured to receive a bolt; a non-rotationally adjustable base plate being substantially flat comprising, a first end and a second end, an enlarged cylindrical head at the first end, a serrated portion being configured to cooperate with the serrated interior surface of the first and the second walls of the support housing, wherein the serrated portion extends from the enlarged cylindrical head to the second end, wherein the serrated portion being configured to be received into the hollow interior of the support housing at a predetermined location and to engage the serrated interior surface of the support housing, thereby connecting the base plate to the support housing at the predetermined location, and at least one aperture being configured to receive the bolt, thereby allowing the base plate to be adjusted relative to the support housing; and a pivotal aluminum rail comprises, a cylindrical housing being configured to receive the enlarged cylindrical head of the non-rotationally adjustable base plate such that the pivotal aluminum rail pivots relative to the non-rotationally adjustable base plate and the support housing, and a protective covering placed over at least a portion of the pivotal aluminum rail.