Toner cartridge and color image forming apparatus in use therewi

Details Toner cartridge and color image forming apparatus in use therewi Toner cartridge and color image forming apparatus in use therewi

1995-04-18

1996-12-31

Pendegrass, Joan H.

Electrophotography

Image formation

Development

399223, 399 58, G03G 1508

Patent

active

055899196

ABSTRACT:
A toner cartridge in use with an image forming apparatus such as a printer. The toner cartridge includes a cylindrical container for accommodating toner, and the cylindrical container further includes; an opening at one side for discharging the toner accommodated in the cylindrical container; an spiral protrusion, provided on an inner circumferential surface of the cylindrical container, for conveying the toner toward the opening in the cylindrical container and for discharging the toner from the opening to outside the cylindrical container when the cylindrical container is rotated on an axis by a driver of the image forming apparatus; and a scoop, attached to the opening, for scooping the toner so that the spiral protrusion discharges the toner from the opening when the opening is at a position upper than a horizontal line extended through the axis.

REFERENCES:
patent: 4878091 (1989-10-01), Morita et al.
patent: 5150162 (1992-09-01), Saito
patent: 5455662 (1995-10-01), Ichikawa et al.

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