Patent ID: 9612626
Date: 2017-04-04
CPC Classifications: G06F

Claim:
1. A hinge device used in an electronic device used by opening a second housing from a closed state to a predetermined angle relative to a first housing, comprising: a first housing connector configured to rotatably hold a hinge rotating shaft on the first housing; a second housing connector configured to fix the hinge rotating shaft to the second housing; a hinge torque generator provided in a connection between the first housing connector and the second housing connector and configured to generate a predetermined rotation torque between the hinge rotating shaft and the first housing connector; a hinge lock provided on the first housing side and configured to restrain rotation of the hinge rotating shaft in response to input of a lock signal, the hinge lock including a first gear provided on the hinge rotating shaft and rotated in synchronization with the hinge rotating shaft, a second gear provided on the first housing side and continuously engaged with the first gear, and an actuator capable of restraining rotation of the second gear by applying pressure on a part of the second gear; and a controller capable of generating the lock signal to the hinge lock.