The rear panel of an electronics enclosure includes one or more heat exchangers. The rear panel can be cooling door configured to provide access to the cables and equipment located within the electronics enclosure. Such access can be provided by swinging the door open on hinges like a standard door....http://www.google.com.au/patents/US7746634?utm_source=gb-gplus-sharePatent US7746634 - Internal access mechanism for a server rack
