Patent ID: 8611798
Filing Date: 2013-12-17
Classification: G03G

Abstract:
1. A developing device comprising: a developing housing in which a developer is to be contained; a first developer carrier that is placed opposedly to an image carrier which is rotated while a latent image is formed on a surface of the image carrier, that is supported by the developing housing, and that is rotated while holding the developer on a surface of the first developer carrier; a second developer carrier that is supported movably with respect to the developing housing, that is opposed to the image carrier on an upstream or downstream side of the first developer carrier in a rotation direction of the image carrier, and that is rotated while holding the developer on a surface of the second developer carrier; a coupling member that couples the first developer carrier with the second developer carrier, and that supports the second developer carrier in a rotatable manner with respect to the first developer carrier; and a stirring portion which is provided at an obliquely downward side of one of the first and second developer carriers which is provided at a downstream side of the other of the first and second developer carriers in a rotation direction of the image carrier; wherein: