Electrical connector having insulating insert for assembling card ejector

An electrical card connector comprising:

• an insulating housing defining a plurality of contact passageways for receiving terminals therein, an arm extending from a lateral end of the housing, the arm defining a retaining slot and a pair of apertures in communication with the retaining slot;
• and
• an insulating insert including a main body adapted for receiving a card ejector for ejecting an electronic card inserted into the connector, a retaining portion retained within the retaining slot of the housing, and a pair of teeth integrally formed at the retaining portion and engagingly received in the apertures of the arm of the housing;
• wherein
• the retaining slot includes an outer small rectangular passage, the retaining portion of the insert has a connect portion connecting with the main body thereof, the connect portion being fittingly engaged in the small rectangular passage of the retaining slot;
• wherein
• the retaining slot includes a trapezoidal section in inner of the small rectangular passage, the retaining portion of the insert has a trapezoidal portion fittingly engaged in the trapezoidal section of the retaining slot;
• wherein
• the retaining slot includes a large rectangular passage in inner of the trapezoidal section, the retaining portion of the insert has a rectangular portion fittingly engaged in the large rectangular passage;
• wherein
• the apertures are defined through upper and lower surfaces of the arm of the housing, the teeth being respectively protruded upwards and downwards from top and bottom faces of an end of the rectangular portion of the retaining portion of the insert.