Patent ID: 7766674

Claim:
An electrical connector comprising: an insulative housing comprising a base portion and an engaging portion extending from the base portion; a plurality of terminals retained in the insulative housing; a plurality of grooves extending from the base portion to the engaging portion to receive the terminals; wherein the base portion comprise two concaving rooms and a middle portion between the two concaving rooms, the grooves extend to the middle portion and open to the concaving rooms, the electrical connector comprises a pair of retaining spacers received and retained in the concaving rooms and comprising a plurality of ribs to press against the terminals, wherein the ribs of the retaining spacers are wedge-shaped, wherein the retaining spacer comprises a top surface abutting against roof face of the concaving room, wherein the base portion comprises a pair of end portions along a longitudinal direction at each side thereof, wherein the retaining spacer comprises a pair of wedge-shaped blocking portions at opposite ends thereof, the end portions comprise a pair of slits correspondingly receiving and locking with the blocking portions.