Connector for electric car

A connector, comprising:

• a housing;
• a female terminal including an electrical contact portion for receiving an electrical contact portion of a male terminal, said female terminal mounted in said housing, said contact portion of said female terminal having an exposed portion which is exposed out of said housing;
• tapered holes formed in said exposed portion;
• ball bearings received respectively in said tapered holes;
• a slide cover slidably mounted on an outer periphery of said housing, said slide cover having projected portions formed on an inner surface thereof so as to limit outward movements of said ball bearings from said tapered holes when said projected portions are over said tapered holes, and said slide cover having retraction grooves for receiving said ball bearings released by said projected portions when said slide cover slides;
• and
• a groove formed around said contact portion of said male terminal, said groove receiving said ball bearings projected to an inside of said contact portion of said female terminal when said male terminal is inserted into said female terminal.