Patent ID: 11920395

Abstract:
A hinge module capable of fixing a first housing and a second at various opening angles and a foldable electronic device including the same are provided. The foldable electronic device includes a first housing, a second housing provided in a shape corresponding to a shape of the first housing, and a hinge module rotatably connecting the first housing to the second housing, the hinge module configured to fix the first housing and the second housing at a certain opening angle, wherein the hinge module includes a fixed gear fixed without rotation and configured to allow a rotation of a counterpart gear in a first direction, and limit a rotation of the counterpart gear in a second direction opposite to the first direction, a guiding gear configured to allow a rotation of a counterpart gear in the second direction and limit a rotation of the counterpart gear in the first direction, a first rotary gear configured to be engaged with the fixed gear, a second rotary gear configured to be engaged with the guiding gear, and an elastic member arranged between the first rotary gear and the second rotary gear, and providing an elastic force for the first rotary gear and the second rotary gear to move toward the fixed gear and the guiding gear, respectively.