Patent ID: 7804685

Claim:
An electronic equipment enclosure for mounting one or more electronic components, comprising: (a) a frame structure formed from a plurality of support posts and at least partially enclosed by a plurality of panels, the panels including at least side, top and back panels defining a compartment in which the one or more electronic components are mounted, wherein: (i) the compartment has a top, a bottom and a rear, and (ii) the top panel includes an opening therethrough that is rectangular in shape; and (b) an exhaust air duct, having four side panels connected by four corner fittings, extending upward from the top panel of the compartment, wherein the exhaust air duct is rectangular in cross-section and is disposed in surrounding relation to, and in fluid communication with, the top panel opening; (c) wherein the exhaust air duct is adapted to segregate hot air being exhausted from the compartment from cool air entering the compartment, thereby improving thermal management of the enclosure; (d) wherein the corner fittings include hinges, thereby facilitating the collapse of the exhaust air duct from a use state to a flattened state; and (e) wherein a corner lock is coupled to one of the corner fittings and adapted to maintain the air duct panels in the use state.