Patent ID: 7532459

Claim:
A portable terminal comprising; a first housing; a second housing rotating in a direction toward or away from the first housing with respect to a first hinge axis and rotating with respect to a second hinge axis, which extends perpendicularly to the first hinge axis; and a hinge apparatus comprising a third housing, which is rotatably coupled to the first housing and rotates with respect to the second hinge axis on the first housing, the hinge apparatus connects the first housing and the second housing, wherein the second hinge axis extends perpendicularly to a face of the first housing and provides a rotation axis for the first hinge axis; and the second housing is rotatably coupled to the third housing while rotating with respect to the first hinge axis and rotates with the third housing with respect to the second hinge axis, further comprising: a pair of side hinge arms formed at both ends of the third housing; and a center hinge arm formed at one end of the second housing and rotatably combined between the side hinge arms.