| 摘要 |
An electrical connector assembly comprises a cover, a base having a number of conductive terminals received therein, and a cam mechanism for driving the cover along the base. The cover provides a number of standoffs for distancing a mounting face of the base from a printed circuit board. The cam mechanism comprises a cam including a lower column and an upper column stacked together with axes thereof being offset from each other a predetermined distance, a locking spring, and an opening and a recess respectively defined in the cover and the base for receiving the cam and the spring. The lower column defines a pair of notches spanning an arc of approximately 90 degrees around a periphery thereof. When the cam rotates in the recess of the base, the spring moves between the pair of notches and the upper column moves in the opening of the cover to drive the cover along the base.
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