The object of the present invention is to provide toner bottles and the
like in which the possibility to damage the ring gear, in particular the
teeth of the ring gear, is remarkably suppressed at processing the toner
bottle such as handling, packaging, and transporting, thus packaging and
transporting are principally possible without cushioning materials.
Accordingly, provided is a toner bottle comprising a cylindrical bottle
having a bottom, a cylindrical aperture for supplying a toner, and a ring
gear, wherein a helical concave is formed on the side wall of the
cylindrical bottle along the axis of the cylindrical bottle, the
cylindrical aperture is disposed at one end of the cylindrical bottle,
the cylindrical aperture is concentric with the cylindrical bottle, and
the outside diameter of the cylindrical aperture is smaller than the
outside diameter of the cylindrical bottle, the ring gear is disposed on
the cylindrical aperture, the ring gear is concentric with the
cylindrical aperture, and the tip circle diameter of the ring gear is
smaller than the outside diameter of the cylindrical bottle.