Patent ID: 8303353

Claim:
An electrical connector, comprising: an insulative housing defining a mating surface, an assembling surface opposite to the mating surface and a plurality of passageways penetrating through the mating surface and the assembling surface, each passageway defining two parallel first grooves at each inside wall thereof which run through the assembling surface and a slit located in front of the first grooves and extending perpendicular to and communicating with the first grooves; a plurality of terminals inserted into and received in the passageways from the assembling surface of the insulative housing, each terminal comprising a retention portion with barbs at lateral sides thereof; wherein the barbs of the retention portions pass through the first grooves from the assembling surface and are pressed in the slits in a first direction perpendicular to the assembly surface; wherein each passageway defines two parallel second grooves at inside walls thereof which are located in front of the first grooves and staggered with the first grooves along the first direction.