Patent ID: 7725989

Claim:
A dual-axis hinge mechanism, comprising: a base seat; a first rotatable assembly comprising: a steady member non-rotatably received in the base seat; an elastic member non-rotatably received in the base seat; a rotary member rotatably assembled in the base seat, and comprising a rotational shaft having a threaded screw portion; a fastening member rotatable along the rotational shaft by threaded cooperation to adjust an external force for rotating the rotary member; and a second rotatable assembly comprising a pivotal shaft fixed to the rotary member, and a bracket pivotally assembled on the pivotal shaft; wherein the threaded screw portion of the rotational shaft extends through the steady member, the elastic member, the base seat, and then engaging with the fastening member, each of the rotary member and each of the steady member comprises an engaging surface, the engaging surfaces movably engage with each other, and one of the engaging surfaces forms at least one peak, and the other of the engaging surfaces defines at least one valley corresponding to the at least one peak.