Abstract: The invention concerns a motorized automatic hinge device with a rotatable support device for mounting of a door, shutter, gate or similar, at least one drive motor with transmissions for achieving the rotation of said rotatable support device, and power supply and control elements for said drive motor(s) and transmissions, wherein the support device for the door, shutter or gate is arranged in a hollow, substantially cylindrical outer structure in which said support device is accommodated, and wherein the motor(s) and transmissions are arranged within said substantially cylindrical outer structure such that, on activation of the control device, they cause said substantially cylindrical outer structure to rotate about its axis.