Charging device, drum unit and image forming apparatus

Abstract

The charging device includes a charging roller, a bush and a case. The charging roller is configured to come into contact with or be close to a surface of an image carrier and configured to charge the surface of the image carrier. The bush is configured to support an end portion of the charging roller in a rotatable manner. To the case, the end portion of the charging roller is attached along a predetermined attachment direction by the bush. The case includes a pair of guide walls standing along the attachment direction so as to guide the bush. The bush includes a bearing part and a restriction part. The end portion of the charging roller is inserted into the bearing part. The pair of guide walls is put between the bearing part and the restriction part.

Dependencies are inferred from the claim text.