Patent ID: 7493068
Filing Date: 2009-02-17
Classification: G03G

Abstract:
1. A developing unit configured to supply developer to the surface of a developer support member installed in an image forming device, comprising: a first agitation transport member comprising a second agitation transport member; a housing in which the first and second agitation transport members are rotatably arranged in the interior thereof, a first gap in the radial direction formed between an outer circumferential portion of the supply region of the first agitation transport member and an inner circumferential portion of the housing facing the supply region being smaller than a second gap in a radial direction formed between an outer circumferential portion of the transport region of the first agitation transport member and an inner circumferential portion of the housing facing the transport region; and a bulkhead member being arranged between the first agitation transport member and the second agitation transport member, and the bulkhead member having openings connecting the first agitation transport member side and the second agitation transport member side at both ends of the second agitation transport member in the axial direction, the bulkhead member also having