Patent ID: 7985087

Claim:
A card edge connector for mating with an electronic card, comprising: an elongated housing having a pair of opposed side walls, a central slot between the side walls for receiving a lower edge of the electronic card and a first tower section upwardly extending at one end thereof, the first tower section defining a first cavity communicating with the central slot along a lengthwise direction of the housing to receive a side edge of the electronic card, and a groove at outside of the first cavity along the lengthwise direction; a plurality of contacts retained to the housing; and a retainer retained in the groove of the first tower section, the retainer having a locker and at least one spring, the locker having a locking section extending into the first cavity, the spring having a first end resisting an outer side of the locker and a second end resisting an inner wall of the groove along the lengthwise direction, which can make the locking section automatically move back along the lengthwise direction in an insertion process of the electronic card; wherein the retainer is fully received in the groove and does not extend beyond the first tower section along both the lengthwise direction and a direction opposite to the insertion direction of electronic card.