Patent ID: 7711398

Claim:
A portable terminal comprising: a terminal body having a keypad; a display unit having first display screen; and a hinge unit comprising a display unit hinge portion and a terminal body hinge portion, wherein the display unit hinge portion is rotatably coupled to the terminal body hinge portion thereby defining a hinge axis, and wherein the display unit having a major axis and a minor axis is rotatably mounted on the display unit hinge portion, wherein the display unit major axis is rotatable from being perpendicular to the hinge axis to being parallel to the hinge axis, and a second display screen disposed on an outer surface of the display unit and visible through the display unit hinge portion, wherein the terminal body has a major axis and a minor axis and is mounted on the terminal body hinge portion, the terminal body major axis being rotatable from being perpendicular to the axis of rotation to being parallel to the hinge axis, and wherein the terminal body hinge portion comprises: a second retaining flange disposed on the terminal body hinge portion for inserting into a circular hole formed on a lower surface of the terminal body, wherein a second coupling protrusion is formed at an upper surface of the second retaining flange, and a second retaining ring coupled with the terminal body hinge portion for securing the terminal body to the terminal body hinge portion and for enabling rotation of the terminal body with respect to the terminal body hinge portion, wherein a second coupling groove is formed on a lower surface of the second retaining ring into which the second coupling protrusion is inserted, and a flange portion is inserted into the circular hole formed on the lower surface of the terminal body.