US Patent 7207344 Two tier canopy system

A two-tier canopy system is provided that includes a canopy support structure having a central post and a plurality of radially extending arms. A first canopy covering is supported by the radially extending arms and has a central opening, wherein the central post extends through the central opening. A second canopy covering, having at least a portion thereof disposed above the central opening, is supported by the central post, wherein the central post is biased towards the second canopy covering.