Patent ID: 9195207
Filing Date: 2015-11-24
Classification: G03G

Abstract:
1. A cartridge, comprising: a developing roller configured to rotate around a first rotational axis extending in a predetermined direction and to carry developer thereon, the developing roller having a first end and a second end that are apart from each other in the predetermined direction, a from-first-to-second direction being defined along the predetermined direction as being directed from the first end to the second end; a developing electrode formed of a conductive material and configured to be electrically connected to the developing roller, the developing electrode including a main part and a protruding portion that protrudes from the main part in the from-first-to-second direction; and a detection body formed of an insulating material and rotatably supported by the protruding portion, the detection body including a first opening that exposes part of the protruding portion and a covering portion configured to cover part of the protruding portion, wherein the first opening is formed to extend in a rotating direction of the detection body, wherein the covering portion includes: