Patent ID: 9037032
Filing Date: 2015-05-19
Classification: G03G

Abstract:
1. A developing cartridge comprising: a housing including a developing chamber and a developer accommodating chamber configured to accommodate developer; a developing roller provided in the developing chamber, and having a rotational axis extending in a facing direction in which sidewalls of the housing face each other; a supply roller provided in the developing chamber, and having a rotational axis extending in the facing direction, the supply roller being configured to supply the developer to the developing roller; a developing electrode provided on an outer side of one of the sidewalls relative to an interior of the housing, and electrically connected to the developing roller, wherein the developing electrode includes a developing protrusion protruding in a direction parallel to the rotational axis of the developing roller and at a position different from the rotational axis of the developing roller when seen from a direction along the facing direction; and a supply electrode provided on the outer side of the one sidewall, and electrically connected to the supply roller, wherein the supply electrode includes a supply protrusion protruding in a direction parallel to the rotational axis of the supply roller and at a position different from the rotational axis of the supply roller when seen from the direction along the facing direction, wherein the developing protrusion and the supply protrusion are arranged in an arrangement direction of the developing chamber and the developer accommodating chamber.