Patent ID: 7986981

Claim:
A portable terminal comprising: a first housing having a face in which a mounting unit is formed; a second housing combined with the mounting unit in order for the second housing to rotate while facing the first housing; a first guide protrusion protruding in a back face of the second housing in order to provide a rotation axis for the second housing; and a second guide protrusion spaced apart from the first guide protrusion and protruding in the back face of the second housing, wherein after a 90 ° rotation, of the second housing from a longitudinal position in which the second housing is longitudinally aligned with the first housing, in one of a clockwise and a counterclockwise direction, one of two side faces of the second housing closely contacts a sidewall of the mounting unit and a lower cross-section of the second housing is aligned with one of two side faces of the first housing.