Patent attributes
A cartridge includes a frame; a rotatable member for carrying a developer; a blade member contacting the rotatable member; a first seal member provided extended in a rotational axis direction of the rotatable member between the blade member and the frame so as to contact the blade member and the frame; a second seal member provided extended in a direction crossing the rotational axis direction of the rotatable member between the rotatable member and the frame so as to have a first surface contacting the first seal member; and a second surface provided on the frame and extended in a direction crossing the rotational axis direction of the rotatable member so as to contact the first seal member. The first seal member includes a portion sandwiched between the first surface and the second surface with respect to the rotational axis direction.