US Patent 7300314 Socket for trans-flash memory card

A socket for installing a removable memory card in a device is provided having a hook switch mounted on a mainboard of a device and electrically connected thereto, and a sliding tray is insertable into the tray socket from a position extended from the device to make an electrical contact with the tray socket. The sliding tray is alternately retracted and extended by the hook switch when the sliding tray is repeatedly pushed, and a memory socket is installed or formed on an top surface of the sliding tray, for accommodating a memory card and electrically connecting the memory card to the tray socket through the sliding tray.