The utility model is composed of a land wheel, a driving pin, a driving crank arm, a driving inserted link, a release spring, and a driving ratchet.

它由地轮、传动销、传动拐臂、传动插杆、回位弹簧和传动棘轮组成。

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Because the two springs can synchronously link and untread the first and the second slide members, the electronic card which is inserted in an electronic card connector can be pushed out.

借由两弹簧同步地联动退移该第一、二滑动构件，以顶出插置于电子卡连接器中的电子卡。

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