Patent ID: 7287302

Claim:
A swing hinge device of a portable terminal having a first housing and a second housing rotatably coupled to the first housing about a hinge axis, the swing hinge device comprising: a hinge housing extending along a longitudinal direction and having a reception space formed therein and a plurality of housing-side fastening pieces; a hinge shaft rotatably coupled to the hinge housing and having a plurality of crests formed thereon; a hinge cam positioned in the reception space of the hinge housing to linearly travel therein along the longitudinal direction of the hinge housing and having a number of troughs formed thereon that face the respective crests; a hinge spring positioned between the hinge housing and the hinge cam to provide an elastic force so that the hinge cam is adapted to linearly travel while forcing it against the hinge shaft; a stopper protrusion formed on the hinge shaft; and a stopper groove formed in each housing-side fastening piece of the hinge housing to guide and stop rotational movement of the stopper protrusion along the stopper groove.