A rotary-type hinge device for a portable terminal for rotating the folder of the terminal from the body thereof about a first hinge axis and about a second hinge axis, which is perpendicular to the first hinge axis is provided. The rotary-type hinge device comprises a first hinge module coupled to the...http://www.google.de/patents/US7299526?utm_source=gb-gplus-sharePatent US7299526 - Rotary-type hinge device for a portable terminal
