Patent ID: 8801449

Claim:
A card edge connector for receiving a card which is rotatably assembled, comprising: an insulative housing defining a longitudinal insertion slot for receiving a card and a key within the insertion slot for anti-mismating of the card; a plurality of terminals arranged in a single row and located at one side of the insertion slot, each terminal including a solder portion extending beyond of the insulative housing and a contacting portion projecting into the insertion slot; a pair of metal pieces located at the other side of the insertion slot; wherein each metal piece includes a mounting portion extending beyond the insulative housing and an abutting portion projecting into the inserted slot; wherein the metal pieces are located in two opposite ends of the insertion slot in the longitudinal direction; wherein the housing further including a first wall located in one side of the insertion slot and the terminals received in the receiving passageways of the first wall, a second wall located in another side of the insertion slot and a pair of recess portions disposed at opposite ends of the second wall for receiving the metal pieces in the longitudinal direction; wherein the length of the first wall is different from the length of the second wall in a front-to-back direction that forming a sloping insertion ort on the front of the insertion slot.