Rotating type concatenated structure of the folding die portable information terminal and the cylindrical hinge which is provided on both sides

摘要

PROBLEM TO BE SOLVED: To provide a rotary coupling structure of a folding mobile information terminal in which an upper case and a lower case are unforcibly and easily coupled together with a simple configuration and there is no restriction on the position of the center of rotation.;SOLUTION: The rotary coupling structure of folding mobile information terminal comprises a first cylindrical hinge 41 and a second cylindrical hinge 42 provided in a lower front case 40, a half-round hinge 20 which is provided in the center part of one end of the upper front case 10 and has a cylindrical portion where the hinge 20 comes into contact with the second cylindrical hinge 42, a first coupling component 60, a second coupling component 70, and a first coupling component lock part for an upper rear cover 30. The first cylindrical hinge 41 has a notched portion on the side of a lower front case, and the first coupling component 60 has a tip portion 60a which engages an internal surface of the first cylindrical hinge 41 and projects to the side of the half-round hinge 20 to engage the half-round hinge 20 and a notched portion 60b engaging the notched portion of the first cylindrical hinge 41.;COPYRIGHT: (C)2008,JPO&INPIT