Patent ID: 8509658

Claim:
A toner supply container comprising: a substantial cylindrical container configured to contain toner; an opening provided at a circumferential peripheral portion of said cylindrical container and configured to permit discharge of the toner in said cylindrical container; a toner feeder provided in said cylindrical container and configured to feed the toner toward said opening by rotation of said toner feeder relative to said cylindrical container; a stepped gear provided on a longitudinal end surface of said cylindrical container, said stepped gear including: a large diameter gear portion; and a small diameter gear portion having a diameter smaller than a diameter of said large diameter gear portion; and a co-axial gear provided co-axially with an axis of said toner feeder on the longitudinal end surface of said cylindrical container and configured to engage with said small diameter gear portion, said co-axial gear having a diameter larger than a diameter of said large diameter gear portion.