Patent ID: 8849150

Claim:
A charging device comprising: a charging member that includes a rotating shaft and charges a surface of a charging object while rotating in contact with the charging object; a cleaning member that includes a rotating shaft extending along the rotating shaft of the charging member and removes unwanted matter from a surface of the charging member while rotating in contact with the charging member; and a bearing member that includes a first receiving portion having an open part on one side thereof and a substantially concave-shaped bottom on another side thereof, the first receiving portion receiving a circumference of the rotating shaft of the charging member at the bottom thereof, and a second receiving portion having an open part on one side thereof and a substantially concave-shaped bottom on another side thereof, the second receiving portion receiving a circumference of the rotating shaft of the cleaning member at the bottom thereof, wherein the open part of the first receiving portion and the open part of the second receiving portion face respectively different directions, and a part of an inner surface of the second receiving portion forms a part of an outer surface of the first receiving portion and the part of the inner surface is also adjacent to the open part of the second receiving portion.