Patent ID: 7556527

Claim:
An electrical connector assembly comprising: a first insulative housing having a first elongated slot with a first key element therein, a plurality of first terminals being received in the first insulative housing; for connecting to a first memory card therein a second insulative housing positioned below said first insulative housing and having a second elongated slot with a second key element therein, a plurality of second terminals being received in the second insulative housing; for connecting a second memory card therein; and a metal peg positioned adjacent to said first key element and said second key element and having ends respectively inserted into said first insulative housing and said second insulative housing wherein said first insulative housing has a bottom surface with an opening therein and said second insulative housing has a top surface with another opening therein, said ends of the peg being respectively inserted into said openings; wherein said openings respectively communicates with said first elongated slot and said second elongated slot, each of said first key element and said second key element having a gap engaging with one of the ends of said metal peg; wherein a pair of metal nails are inserted to the electrical connector assembly at two ends thereof from an up-to-bottom direction, with their tip ends through the first insulative housing and the second insulative housing one by one.