Patent ID: 7971847

Claim:
A roof rack suitable for use on a portable shelter having corrugated siding, the roof rack comprising a crossbar having two end portions and a center, a tube having first and second ends and a vertical surface, a channel, wherein said channel is positioned between the first end of the tube and the end portion of the crossbar, and wherein said tube is engaged with said channel at the first end of said tube, a support plate having a plate face and first and second lateral edges, wherein the support plate extends from the vertical surface of said tube and is affixed at its first lateral edge to the channel, and a first plate foot extending perpendicular from the second end of said tube to a leading edge, with a portion of such extension including the leading edge being shaped as an isosceles trapezoid and extending from the tube towards the center of said crossbar, and a second plate foot rigidly extending perpendicular from the second lateral edge of said support plate, wherein said second plate foot is in offset parallel configuration with said first plate foot.