Patent ID: 8055162

Claim:
A toner bottle for containing toner, the bottle comprising: a cylindrical body rotatable on an axis thereof in a rotating direction by means of a driving source; the cylindrical body having an opening, through which the toner is supplied to a developing unit; the cylindrical body further having ribs for conveying the toner toward the opening when the body rotates; and a scraper supported movably in the cylindrical body; the scraper being movable perpendicularly to the axis when the cylindrical body rotates; the scraper including a shaft extending over the whole length of the cylindrical body; the scraper further including a scraping part supported by the shaft; wherein a portion of the scraping part is in contact with the inner cylindrical surface of the cylindrical body, wherein the cylindrical body further has a protrusion formed on the inner cylindrical surface, and wherein the scraper further includes an engaging part for engaging with the protrusion when the cylindrical body rotates.