US Patent 7484977 Electrical card connector with lock device

The present invention relates to an electrical card connector (100), comprising an insulative housing (1), a plurality of terminals (3) receiving by the insulative housing (1), a shell (2) covering the insulative housing (1), an eject mechanism (4) assembled on one side of the insulative housing (1) for ejecting an electrical card. The insulative housing (1) and shell (3) define a receiving space (10) for accepting the electrical card. Said the ejector mechanism (4) comprises a locking device (44). Said locking device (44) comprises a locking member (440) with two flexible arms (441) connecting to the slider (40) in a front-to-rear direction. Said flexible arms (441) assume a step-shaped distribution.