Patent ID: 7614898

Claim:
An electrical connector adapted to be electrically connected between an electronic card and a printed circuit board, the electrical connector comprising: an insulative housing comprising a front surface; a rear surface; a top surface; a slot defined in the front surface and having an inner bottom surface; a cavity defined on the top surface, adjacent to the rear surface and having two opposite inner surfaces; and a plurality of receiving spaces defined in the insulative housing side by side and communicating with the slot and the cavity; a plurality of terminals mounted in the receiving spaces respectively, each of the terminals comprising: a base portion; an upper arm having a first beam having a front end and a rear end and comprising a contact portion extending from the front end and toward the front surface of the insulative housing; and a meshing portion extending from the rear end and toward the rear surface of the insulative housing opposite to the contact portion; and an arc-shaped support post projecting in a direction toward the rear surface of the insulative housing, connected to the first beam, and joined to the base portion at a point serving as a first fulcrum; a lower arm located between the contact portion and the base portion and having a resilient contact portion connected to the to the base portion through an arc-shaped joining portion, wherein the arc-shaped joining portion is joined to the base portion at a point serving as a second fulcrum; and an operating member pivotally connected to the insulative housing in the cavity to control the plurality of terminals being operated in an open state or a closed state, and comprising a plurality of through channels; a plurality of rotating base portions respectively formed in the through channels, each of the rotating base portions being elliptical in cross-section and rotatably meshing with the meshing portion of the terminal and always abutting between the meshing portion and the base portion in both the open state and the closed state.