Patent ID: 7127776

Claim:
A hinge unit of a portable electronic device, the hinge unit comprising: a fixed hinge plate fixed to a first unit having a first display module, the fixed hinge plate having a first hinge cylinder; a hinge link having a first hinge shaft rotatably inserted in the first hinge cylinder, the hinge link connecting the first unit with a second unit having a second display module; a movable hinge bracket assembled with the second unit and configured to be rotated about a second hinge shaft, the movable hinge bracket having a guide section for guiding the hinge link that is movably inserted through the movable hinge bracket; and a stopper disposed at a corresponding portion between the hinge link and the guide section of the movable hinge bracket to control the hinge link movement with respect to the movable hinge bracket, wherein the hinge link extends through hinge slots formed through rear ends of the first and second units to couple the first and second units with each other.