In a card connector of the present invention, an eject plate has a push-moving portion, an engaging portion and a spring portion, and can be switched to two positions by a heart cam. In an electric connecting state of the card and the connector, the eject plate is set to a second position, and its engaging...http://www.google.com.au/patents/US6773280?utm_source=gb-gplus-sharePatent US6773280 - Card connector
