Patent ID: 7736184

Claim:
A receptacle connector being mounted on a printed circuit board (PCB) and being connected to a plug connector, comprising an insulated housing comprising an upper housing comprising a longitudinal body, having a surface comprising plural parallel grooves and plural parallel channels; and an extension, being protrudedly mounted on the surface of the longitudinal body, having two sides and comprising plural abutting holes, terminal positioned holes, positioning grooves and two opposite grooves; a lower housing, being connected to the upper housing and comprising a longitudinal body having a surface and being provided with plural first holes, second holes and abutting element mounts on the surface and corresponding to the abutting holes of the upper housing; and a transverse protrusion, being formed on the surface of the longitudinal body and comprising plural terminal passages connecting to the first holes and the second holes; plural first contact pins, comprising a protruded end, being mounted on the grooves of the upper housing; an elongated portion, being connected to the protruded end, being narrower than the protruded end and being embedded in the longitudinal body of the upper housing; and a first pin, longitudinal to the elongated portion and passing through the first holes and the terminal passages; plural second contact pins, comprising a contact; a connected portion, elongating form the contact; a second pin, longitudinal from the elongated portion and passing through the first holes and the terminal passages; and an arch, reducing an external force resulting from plugging in a USB plug connector to lower the flexibility of the second terminal; and a metal casing, mounting around the insulated housing, having four sides and comprising a positioning unit, contacting the positioning grooves of the extension; a tongue, contacting the groove of the upper housing; and two pins, having a protruding ball.