Patent ID: 7931502
Filing Date: 2011-04-26
Classification: H01R,H05K,Y10T

Abstract:
1. A card edge connector for electrically coupling between one of a plurality of contact electrodes of an electric circuit board and a corresponding harness connecting to an external circuit, the connector comprising: a housing including a board insertion opening, into which one end of the electric circuit board is inserted along with an insertion direction; a plurality of harness terminals disposed in the housing, wherein each harness terminal is coupled with a corresponding harness; and a plurality of junction terminals disposed in the housing, wherein each junction terminal includes a first end contacting a corresponding contact electrode and a second end contacting a corresponding harness terminal, wherein the plurality of contact electrodes disposed on the electric circuit board and includes a plurality of first contact electrodes and a plurality of second contact electrodes, wherein a distance between each first contact electrode and the one end of the electric circuit board is smaller than a distance between each second contact electrode and the one end of the electric circuit board, wherein a predetermined number of the plurality of first contact electrodes is disposed on a first surface of the electric circuit board, and a remaining number of the plurality of first contact electrodes is disposed on a second surface of the electric circuit board, wherein a predetermined number of the plurality of second contact electrodes is disposed on the first surface of the electric circuit board, and a remaining number of the plurality of second contact electrodes is disposed on the second surface of the electric circuit board, wherein the predetermined number of the plurality of first contact electrodes and the predetermined number of the plurality of second contact electrodes are aligned on the first surface alternately along with a width direction of the electric circuit board perpendicular to the insertion direction so that one of the plurality of first contact electrodes on the first surface and one of the plurality of second contact electrodes on the first surface are displaced in the width direction, wherein the remaining number of the plurality of first contact electrodes and the remaining number of the plurality of second contact electrodes are aligned on the second surface alternately along with the width direction of the electric circuit board perpendicular to the insertion direction so that one of the plurality of first contact electrodes on the second surface and one of the plurality of second contact electrodes on the second surface are displaced in the width direction, wherein one of the plurality of first contact electrodes on the first surface and one of the plurality of second contact electrodes on the second surface are aligned along with the insertion direction to sandwich the electric circuit board, and another one of the plurality of first contact electrodes on the second surface and another one of the plurality of second contact electrodes on the first surface are aligned along with the insertion direction to sandwich the electric circuit board, wherein the first end of one of the plurality of junction terminals contacting a corresponding contact electrode on the first surface extends from a first inner wall of the board insertion opening to reach a center line of the electric circuit board, wherein the first inner wall faces the first surface, wherein the second end of another one of the plurality of junction terminals contacting a corresponding contact electrode on the second surface extends from a second inner wall of the board insertion opening to reach the center line of the electric circuit board, and wherein the second inner wall faces the second surface.