US Patent 7866985 CPU socket assembly with package retention mechanism

A CPU socket assembly includes a CPU socket and a pick up cap mounted to the CPU socket. The CPU socket has an insulative housing with a receiving space, a number of electrical contacts secured to the insulative housing with contact portions disposed in the receiving space; and a retention piece attached to the insulative housing. The retention piece has a pressing section covering part of the receiving space to retaining a package in the CPU socket.