The stopper portion that blocks the movement of the ejection member in the card ejection direction is disposed at the position which met in the width direction of card connector, and is in the position of the same side as the position with the elastic body 60 which urges the ejection member in the card...http://www.google.com.au/patents/US6503092?utm_source=gb-gplus-sharePatent US6503092 - Card connector
