Scharniermechanismus für aufklappbares elektronisches Gerät

摘要

A hinge mechanism for a foldable electronic apparatus having a first and a second casing. A first and a second cylindrical hinge are provided on the first and second casings, respectively. The second hinge is formed with lugs each having two contact faces having angles a and b (smaller than a). A locking member is received in the first hinge and provided with recesses each contacting one of the lugs at either of the angles a and b, depending on the direction of rotation, i.e., the folding direction or the unfolding direction.