Patent ID: 7055219

Claim:
A hinge for portable terminal coupling a first casing on which a keyboard portion is provided and a second casing on which a display portion is provided to each other, comprising: a rotary hinge part to which the first casing is coupled to be turnable relative to the second casing in a horizontally direction; and an opening/closing hinge part to which the second casing is coupled to be openable/closable relative to the first casing in a vertical direction; wherein said rotary hinge part composed of a fixed member having a pivotally supporting cylinder and a mounting base which is attached to the upper face of the first casing, a hinge shaft inserted through the pivotally supporting cylinder in an axial direction, and a rotary member attached to the hinge shaft with a turn thereof being controlled via a first cam mechanism; wherein said opening/closing hinge part is provided in said rotary member and has an opening/closing member which is rotatably mounted with a rotation thereof being controlled, to be in a perpendicular direction to a direction of the turn of said rotary hinge part via a second cam mechanism and to which an end portion of the second casing is coupled; wherein said first cam mechanism includes a first cam portion provided at an upper end of said rotary supporting cylinder, a second cam portion provided at a position facing said first cam portion on a lower face of said rotary member, and a resilient means for bringing said second cam portion into pressure contact with said first cam portion, said resilient means being resiliently provided between a flange portion of the hinge shaft and the pivotally supporting cylinder.