Patent ID: 7836550

Claim:
A damping hinge device, comprising: a hinge adapted for producing and releasing an elastic force by rotating; and a damper arranged coaxially with the hinge, the damper having a damping shell having a cylinder-shaped shell body and a top cover formed in the top of the shell body, a damping body received in the shell body of the damping shell, the damping body having a basic portion and a column portion extending from one end of the basic portion, a plurality of rotating slices and a plurality of limiting slices received in the shell body of the damping shell, the rotating slices and the limiting slices being alternately disposed on the column portion, the rotating slices being fixed to the damping body, while the limiting slices being fixed to the damping shell, damping oil being filled between the adjacent limiting slices and the rotating slices, an outer gasket disposed on the basic portion of the damping body and pressed against the shell body of the damping shell, and a pushing body, one end of the pushing body engaging with the hinge for rotating together with the hinge, the other end of the pushing body selectively engaging with the damping body for pushing the damping body together with the rotating slices to rotate when the elastic force of the hinge being released.