Patent ID: 8204408
Filing Date: 2012-06-19
Classification: G03G

Abstract:
1. A development apparatus comprising, inside a development case: a developer bearing member that supplies developer including at least toner to a latent image bearing member; a developer conveying member that conveys the developer towards the developer bearing member, wherein the developer conveying member comprises a rotating shaft and a fin spirally formed on an outer circumferential portion of the rotating shaft; and a developer affixing prevention member that prevents the developer from affixing to the developer conveying member, wherein the developer affixing prevention member comprises an elastic member having a fixed end and a free end, and wherein the free end of the developer affixing prevention member is disposed so as to contact the fin or contact the fin and the rotating shaft; wherein a cut-out portion is formed in a portion of the fin of the developer conveying member faced by the free end of the developer affixing prevention member, and wherein the free end of the developer affixing prevention member that has been elastically deformed with rotation of the fin due to rotation of the developer conveying member is elastically returned via the cut-out portion.