Patent ID: 7865116
Filing Date: 2011-01-04
Classification: G03G

Abstract:
1. A rotary type developing device that receives a force from an input gear member that is rotated by gear train that receives a motive force from a drive source provided in a color image forming device, the rotary developing device comprising: a plurality of containers being configured to accommodate respectively and internally developers of different colors; and a support member including a support having a rotating shaft being configured to support said plurality of containers, a first annular gear being configured to be rotated by the input gear member, and a second ring-shaped annular member having a larger external diameter than said first annular gear, and being disposed adjacent to and on the outer side of said first annular gear and on the same rotational axis; wherein said second annular member has a notch having a predetermined width of three gear teeth of said first annular gear.