Patent ID: 6704529
Filing Date: 2004-03-09
Classification: G03G

Abstract:
An image forming apparatus, comprising:a photosensitive drum coaxially bearing a photosensitive drum gear; a developing roller contacting with said photosensitive drum so as to form a first nip, said developing roller coaxially bearing a first pulley; a feeding roller contacting with said developing roller so as to form a second nip, said feeding roller coaxially bearing a feeding roller gear and feeding a developer to the developing roller; a power transmitting gear meshed with the photosensitive drum gear, said power transmitting gear coaxially bearing a second pulley; an idler gear concurrently meshed with the feeding roller gear and meshed with the power transmitting gear; and a belt connecting the first pulley to the second pulley, with a driving force transmitted from the photosensitive drum gear to the power transmitting gear, from the power transmitting gear to the feeding roller gear via the idler gear, and to the developing roller through the first and second pulleys and the belt.