Belt conveying apparatus and image forming apparatus

摘要

Provided is a small sized belt conveying apparatus provided with a separating unit configured to move a transfer member and an image forming apparatus provided with the belt transfer apparatus. The image forming apparatus includes a drive unit configured to transmit a drive force from a drive source provided in an apparatus body, and a drive transmitting unit configured to transmit the drive force branched and transmitted from the drive unit. The separating unit is configured to move the transfer member by a drive force transmitted by the drive transmitting unit via the drive unit.

主权项

1. A belt conveying apparatus provided in an image forming apparatus that is configured to transfer a toner image from an image bearing member that carries the toner image to a transfer medium, comprising:
an endless belt that moves in a direction of conveyance; a plurality of stretching members configured to stretch the endless belt; a drive roller, which is one of the plurality of stretching members, configured to stretch the endless belt and convey the endless belt; a transfer member arranged corresponding to the image bearing member configured to carry the toner image via the endless belt; a separating unit configured to cause the transfer member to move to a pressing position where the image bearing member is pressed via the endless belt and a separated position separated from the image bearing member in comparison with the pressing position; a drive unit configured to transmit a drive force from a drive source provided in an apparatus body to the drive roller, and a drive transmitting unit configured to transmit the drive force branched and transmitted from the drive force to the separating unit,wherein the separating unit moves the transfer member by the drive force transmitted by the drive transmitting unit via the drive unit.