A fixing structure for extension cards includes a set of extension slots, a positioning element and a resilient plate. The positioning element engages on an external side of the set of the extension slots, and the resilient plate is fixing on an internal side of the set of the extension slots. A folded...http://www.google.com.au/patents/US6639151?utm_source=gb-gplus-sharePatent US6639151 - Fixing structure for extension cards
