Gearing, comprising a processing unit and a transmission gear of the image forming apparatus including the processing unit

The name of the present invention is a gear transmission comprising a processing unit and the transmission gear of the image forming apparatus includes a processing unit. Gearing comprises a drive rotator and the driven external gear. The active rotor includes a driving internal gear to rotate about an axis of rotation. The driven external gear with the internal gear to active the driving force transmitted to the drive target.