Patent attributes
A dual-shaft hinge device including a base and two rotatable plates connected to two lateral sides of the base. Each of the first rotatable plate and the second rotatable plate have a semicircular portion on which a plurality of teeth are disposed. A first rotatable rod and a second rotatable rod are disposed in the base. First gear teeth are disposed at one end of the first rotatable rod and mesh with the teeth of the first rotatable plate, and second gear teeth are disposed at one end of the second rotatable rod and mesh with the teeth of the second rotatable plate. An even number of gear rods are disposed in the base and mutually meshed with each other. Two lateral plates are connected to the base to position the aforementioned elements to the base.
