Patent ID: 9639023
Date: 2017-05-02
CPC Classifications: G03G

Claim:
1. A developing assembly, comprising: a rotatable developer bearing member for bearing a developer; a sliding member that slides against the developer bearing member with the developer therebetween, so that the developer is borne by the developer bearing member; and a regulating member that regulates the amount of the developer borne on the developer bearing member by sliding against the developer bearing member with the developer therebetween, the developing assembly executing a development action on an image bearing member by using the developer, the amount of which is regulated by the regulating member, wherein the sliding member has a free end that extends toward a downstream side of a direction of rotation of the developer bearing member, and a tip portion that is provided on the free end of the sliding member and slides against the developer bearing member, the developer bearing member has a first region where, when the developer is placed on a vertical direction upper side of the developer bearing member which is in a stationary state, the developer can remain without dropping, and a position against which the tip portion of the sliding member slides, the first region, and a position against which the regulating member slides are located on the developer bearing member in this order toward the downstream side of the direction of rotation of the developer bearing member during execution of the development action.