Surface contact card connector

A surface contact card connector comprising:

• a base section made of an insulating material;
• a cover section attached to said base section at a rear end for rotation between open and close positions;
• a contact element provided on said base section such that a contact portion of said contact element is brought into contact with a surface contact card when said cover section is closed to said base section;
• base and cover engaging side walls provided on opposite sides of both said base and cover sections, respectively, such that when said cover section is closed to said base section, said base and cover engaging side walls are spaced and faced respectively to each other;
• at least said base or cover engaging side walls of said base or cover section being cantilevered arms and flexible;
• engaging windows having through openings provided in said base or cover engaging side walls of said base or cover section;
• engaging and releasing projections provided on said cover or base engaging side walls such that when said cover section is closed to said base section, said engaging and releasing projections flex said cantilevered arms of said base or cover section outwardly and engage with said engaging windows;
• said engaging projections each having a substantially right-angled triangle shape whose upper side is substantially at right angles to said cover engaging side walls and said releasing projections each having a triangular shape and are provided at positions where portions of said cover engaging side walls with said releasing projections are more flexible than portions of said cover engaging side walls with said engaging projections when said cover section is opened from said base section.