Patent ID: 7526237
Filing Date: 2009-04-28
Classification: G03G

Abstract:
1. A toner cartridge, comprising: a rotary having a rotary shaft, an engager being arranged on a tip of one end portion of the rotary shaft, and an agitator being configured to agitate toner and arranged on an outer periphery of the rotary shaft, the one end portion having an annular groove formed in a predetermined position from the tip of the one end portion; and a bearing having a retainer, and an enclosed space being configured to accommodate the engager, the retainer rotatably supporting the one end portion of the rotary shaft, and restricting movement of the engager in the axial direction of the rotary, the retainer having a first retaining portion being configured to support a lower side of the annular groove, and a second retaining portion being detachable from the first retaining portion and being configured to support the upper side of the annular groove, the engager having a larger width than the one end portion of the rotary shaft supported by the retainer, and the retainer having contact surfaces being contactable with a contact surface of the engager in order to restrict movement of the engager in the axial direction.