A MULTI JOINT STRUCTURE OF SUPPORTING DEVICE FOR A PORTABLE DEVICE

摘要

PURPOSE: A sliding joint structure of a multi-stage bar is provided to enable a user to easily control an angle of a portable terminal by fixing the portable terminal. CONSTITUTION: A rotation control body is installed between a first hinge body and a middle hinge body. A joint assembly(40) is rotated in order to control a rotation angle. A rotation control body is installed between the middle hinge body and a second hinge body. The joint assembly is rotated in order to control a rotation angle. The first hinge body is moved inside a lower bar or a middle bar. The first hinge body is fixed on the lower bar or the middle bar by using a fastening groove.