US Patent 7815455 Electrical connector assembly

An electrical connector assembly (100) comprises an insulative housing (5) with a plurality of contacts (6) received therein, a lock member (3) assembled on the circuit board (2) and a load plate (1) for pressing the electronic package toward the insulative housing (5). The lock member (3) defines a lock portion (31), the load plate comprises a body portion (12), a first tongue portion (14) and a second tongue portion (15) extending from the body portion (12), the first tongue portion (14) and the second tongue portion (15) can move away from each other to make the first tongue portion (14) and the second tongue portion (15) move to the lower surface of the lock portion (31) to interlock with the lock portion (31).