Patent ID: 7555119

Claim:
A device for automatically lifting a cover of a mobile phone by pressing, comprising: a pressing-and-controlling means having a shaft rod and a sliding wheel seat, one end of the sliding wheel seat formed with a first cam rail; a braking means having a braking disk connected onto the shaft rod with a predetermined elastic torque therebetween, a braking element sequentially connected onto the shaft rod for axially moving relative to the shaft rod, and a return spring provided between the corresponding end faces of the braking disk and the braking element, the braking disk, the braking element and the return spring accommodated within the sliding wheel seat, the other end of the braking element formed with a second cam rail; a rotating means comprising a rotating element and a compression spring abutting against one end face of the rotating element, the rotating element provided with a third cam rail and a fourth cam rail at an end corresponding to the first cam rail and the second cam rail, respectively, each of the above cam rails operatively connected to one another, the other end of the rotating element provided with a fifth cam rail; and a reciprocating means having a positioning sleeve connected onto the shaft rod and axially movable relative to the shaft rod and a closing spring abutting against one end of the positioning sleeve, one end of the positioning sleeve accommodated into the rotating element, the periphery of the other end thereof provided with wedges, the wedges operatively connected to the fifth cam rail.