Patent ID: 8238800
Filing Date: 2012-08-07
Classification: G03G

Abstract:
1. A developing apparatus for developing a latent image formed on an image bearing member with a developer, said apparatus comprising: a first developer carrying member for feeding the developer to a first developing zone opposed to said image bearing member; a second developer carrying member for feeding the developer to a second developing zone opposed to said image bearing member; a supporting member for supporting said second developer carrying member swingably about said first developer carrying member; a driving device for applying a driving force to said first developer carrying member; and a driving belt for transmitting the driving force applied to said first developer carrying member to said second developer carrying member; a first supporting portion provided on a rotation shaft of said first developer carrying member and supporting said driving belt; and a second supporting portion provided on a rotation shaft of said second developer carrying member and supporting said driving belt, wherein said second supporting portion has a diameter which is larger than a diameter of said first supporting portion.