Patent ID: 7841872

Claim:
An electrical connector comprising: an insulative housing defining a receiving room and a front mating opening communicating with the receiving room for receiving a mating connector, a plurality of upper and lower rear mounting holes communicating with the receiving room, and a receiving cavity below the receiving room for receiving a portion of the mating connector; a plurality of first contacts each having a first contact portion having a first free end, a first retention portion, a first soldering portion and a first connecting portion, a plurality of second contacts each having a second contact portion having a second free end, a second retention portion, a second soldering portion and a second connecting portion, the first and the second contacts inserted into the receiving room along a back-to-front direction, the first and second contact portions exposed in the receiving room, the first retention portions fixed in the upper rear mounting holes respectively, the second retention portions fixed in the lower rear mounting holes respectively, and further comprising an elongated spacer having a first side disposed adjacent to the insulative housing and a protrusion portion defining a plurality of first slots for receiving some of the second connecting portions, wherein said elongated spacer comprises a second side opposite to the first side defining a plurality of second slots for receiving the first connecting portions respectively, wherein said protrusion portion is disposed at a middle portion of the first side of the elongated spacer, wherein said insulative housing defines a pair of mounting slots engaged with the elongated spacer, wherein the insulative housing comprises an upper and lower preloading portions adjacent to the mating opening, said first free ends of the first contact portions abutted against by the upper preloading portions and the second free ends of the second contact portions abutted against by the lower preloading portions.