Patent ID: 7140073

Claim:
A rotation-stop mechanism for a folder of a portable wireless terminal, the portable wireless terminal comprising a terminal body, the folder rotatably coupled to the terminal body and adapted to rotate about a first rotation axis extending transversely to the terminal body so as to be opened away from or closed to the terminal body, and a hinge module for rotatably coupling the terminal body to the folder, wherein the terminal body is formed with side hinge arms at both sides of its one end, and the folder is formed at its one end with a center hinge arm rotatably coupled between the side hinge arms through the hinge module, and the hinge module is received in the center hinge arm and adapted to provide a rotating force for causing the folder to be opened away from or closed to the terminal body according to its opened angle from the terminal body; the rotation-stop mechanism comprising: a hinge dummy having at least two hinge holes extending radially, the hinge dummy being fixed to an inner surface of one of the side hinge arms; a hinge protrusion protruded through one end of the hinge module and adapted to be selectively coupled into one of the hinge holes; and a button mounted on the one of the side hinge arms, the button serving to separate the hinge protrusion from the hinge hole.