Patent ID: 7753707

Claim:
An electrical connecting assembly, used for electrically connecting a chip module having a plurality of pins on the bottom thereof, the electrical connecting assembly comprising: an insulating base having a plurality of receiving holes and a first hole thereon; a plurality of terminals disposed in the receiving holes; a printed circuit board disposed under the insulating base, the printed circuit board having a first connecting area corresponding to the receiving holes for welding the terminals on the first connecting area, and the printed circuit board further having a second connecting area; a cover disposed and moving horizontally on the insulating base for carrying the chip module, the cover having a plurality of opening holes corresponding to the receiving holes, the pins penetrating through the opening holes to connect with the terminals in the receiving holes, and the cover having a second hole; and a driving unit welded on the second connecting area, the driving unit at least having one metal sheath disposed in the first hole, at least one welding portion, and one cam piece, one end of the welding portion connected to the metal sheath, the other end of the welding portion being welded on the second connecting area, the cam piece having an actuating portion, a first cam shaft extending from the actuating portion, and a second cam shaft formed between the first cam shaft and the actuating portion, the first cam shaft being disposed inside the first hole and the first cam shaft being held by the metal sheath, the second cam shaft being eccentric with the first cam shaft, and the second cam shaft being disposed inside the second hole.