Patent ID: 7366445
Filing Date: 2008-04-29
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image bearing member, wherein a toner image is formed on said image bearing member and is transferred onto a recording material, thus forming an image on the recording material; a shaft for rotating said image bearing member, wherein said shaft is provided with a first projection and a second projection, and said image bearing member is provided with a first engaging portion and a second engaging portion which are engageable with said first projection and said second projection, respectively, and wherein said first engaging portion is abuttable to said first projection at downstream and upstream sides of said first projection with respect to a rotational direction of said shaft, and said second engaging portion is abuttable to said second projection at a downstream side of said second projection with respect to a rotational direction of said shaft, and wherein a gap is provided between said second engaging portion and said second projection at an upstream side of said second projection with respect to a rotational direction of said shaft.