Patent ID: 8953977
Filing Date: 2015-02-10
Classification: G03G

Abstract:
1. A developer container comprising: a casing having a filling port for filling developer therethrough, the filling port being defined by a cylindrical through-hole having an inner peripheral surface, and a protruding portion protruding radially inward from the inner peripheral surface; and a cap configured to be attached to the casing in a first direction for covering the filling port, the cap comprising: wherein the flange portion has a downstream end portion formed with a sloped surface that slopes radially inward toward downstream in the first direction toward the outer peripheral surface of the main body portion, wherein the cylindrical through-hole has a downstream end portion, and wherein the casing further includes a contacting portion provided at the downstream end portion, the sloped surface of the flange portion being abuttable on the contacting portion upon attachment of the cap to the casing.