Patent ID: 8837134

Claim:
A side-push type retractable USB memory stick, comprising: a PC board providing a data storage function, said PC board comprising a USB interface circuit located on a front side thereof and a metal shield surrounding said USB interface circuit; an insulative PC board holder comprising an accommodation chamber that accommodates said PC board, a front opening defined in one end of said accommodation chamber for enabling said metal shield of said PC board to extend out of said insulative PC board holder, a reduced rear close end located on an opposite end of said accommodation chamber, a springy plate located on one lateral side of said accommodation chamber, and a press portion outwardly protruded from said springy plate; a housing surrounding said insulative PC board holder, said housing comprising a front opening and a rear opening respectively located on opposing front and rear sides thereof, and a sliding slot located on one lateral side thereof for receiving said press portion of said insulative PC board holder for enabling said press portion of said insulative PC board holder to be operated by an external force to move said metal shield and USB interface circuit of said PC board in and out of the front opening of said housing; a rear end block press-fitted into the rear opening of said housing, said rear end block defining therein a recessed chamber for accommodating said reduced rear close end of said insulative PC board holder, when said metal shield and said USB interface circuit of said PC board are located with said housing, said reduced rear close end of said insulative PC board holder and a rear end of said PC board are located in said recessed chamber of said rear end block; and a front end block press-fitted into the front opening of said housing, said front end block defining a through hole for the passing of said metal shield and USB interface circuit of said PC board toward the inside or outside of said housing.