Patent ID: 8020572

Claim:
An umbrella comprising: a canopy comprising a first panel and a second panel; and a support structure upon which the canopy is supported, the support structure comprising a rib and a spacer coupled to the rib, the spacer comprising a bracket and an elongate member, the bracket defining a slot, the spacer being configured for biasing the first panel away from the rib of the support structure, wherein an upper section of the first panel is attached relative to the rib and a lower section of the first panel is attached to the elongate member of the spacer, and wherein an upper section of the second panel comprises an engagement member that is removably attached to the bracket of the spacer by sliding the engagement member into the slot of the bracket underneath the lower section of the first panel, the spacer separating the lower section of the first panel from the upper section of the second panel to provide a gap separating the first and second panels to permit air to be vented through the canopy.