Patent ID: 6142690
Filing Date: 2000-11-07
Classification: G03G

Abstract:
An image forming apparatus comprising:a plurality of image bearing members disposed along a conveying direction of a recording sheet; anda drive power transmission mechanism intermediate of said plurality of image bearing members and a drive source, and configured to translate movement of said drive source to movement of said plurality of image bearing members, said drive power transmission mechanism having a first group of drive power transmission members and a second group of drive power transmission members, wherein each member of said first and second groups corresponds to one of said plurality of image bearing members, and wherein said first and second groups are arranged such that a member of said first group is adjacent a member of said second group, and such that said groups are offset relative to each other so that said drive power transmission members of said groups provide synchronized movement of said plurality of image bearing members,wherein said drive power transmission mechanism includes a first intermediate drive power transmission member that couples said drive power transmission members of said first group to said drive source, anda second intermediate drive power transmission member that couples said drive power transmission members of said second group to said drive source.