US Patent 7658620 Electrical connector having an improved frame

An electrical connector adapted for connection an Integrated Circuit (IC) chip to a printed circuit board (PCB) includes an insulating housing having a plurality of passageways, a plurality of contacts received in the passageways and a frame moveable assembled on the housing to allow the IC chip to be inserted therein. The frame includes a first and second side walls parallel to each other and a third side wall connecting with ends of the first and second side walls without a sidewall opposite the third wall, thereby a hatch is defined opposite to the third wall.