Patent ID: 7630666
Filing Date: 2009-12-08
Classification: G03G

Abstract:
1. A developing device, comprising: a case main body comprising an opening; a developing roller coupled with the case main body at a position facing the opening, the developing roller capable of rotating and supporting developer housed in the case main body; an adjustment member coupled with the case main body and extending along a rotation axis direction of the developing roller, the adjustment member adjusting the thickness of the developer supported by the developing roller; and a side seal member, wherein the case main body comprises a first area facing a rotation plane of the developing roller, the adjustment member comprises a second area facing the rotation plane of the developing roller, the first area and the second area are aligned along a rotation direction of the developing roller, the side seal member comprises a first seal member mounted on the first area and making contact with the rotation plane of the developing roller, and a second seal member mounted on the second area and making contact with the rotation plane of the developing roller, the first seal member and the second seal member are configured separately and make contact with one another, and a part of the second seal member overlaps with an upper surface of the first seal member, and the part of the second seal member is located between the rotation plane of the developing roller and the upper surface of the first seal member.