Patent ID: 8221148

Claim:
A positioning structure of an electrical connector comprising: a housing, having a slot comprising a plurality of conducting terminals on two sidewalls; at least two side arms, positioned at two sides of said housing, respectively comprising an extending plate which assembled to said housing, a movable arm and a fixed arm; said movable arm and said fixed arm are positioned in a single-piece structure; said every fixed arm is extending downwardly with an inserting plate, wherein said every fixed arm has a bent portion bent outwardly for joining said inserting plate; and at least two positioning sets, respectively receiving said side arm, comprising a straight plate and bent plates respectively positioning at two sides of said straight plate, wherein said every positioning set is welded to a circuit board by bottom portions of said straight plate and said every bent plate; a receiving chamber is formed between said bent plates for receiving said inserting plate; and to restrict said side arm by every said positioning set enables a fine adjustment while assembling said housing.