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US 2010/0061772 A1Published application
Toner cartridge and image forming apparatus using the same
AssigneeSharp Kabushiki Kaisha
InventorShigeki HAYASHI
Life of this patent
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Abstract
An image forming apparatus includes a photoreceptor drum, a charger, an exposure device, a developing device, a toner cartridge for supplying toner to the developing device, a transfer device and a fixing device. The toner cartridge includes: a toner container, a toner discharge port, a toner discharger having a toner agitator. The toner discharger includes a toner discharger rotary shaft, around which a helical magnet is provided; and magnetic particles that form a helical magnetic brush along the magnet on the surface of the toner discharger rotary shaft.
Claims10
A toner cartridge comprising:
- a toner storing portion for storing toner;
- a toner discharge port for discharging the toner in the toner storing portion from the toner storing portion;
- and,
- a toner discharger for conveying the toner in the toner storing portion toward the toner discharge port by rotation thereof,
- characterized in that the toner discharger includes a toner discharger rotary shaft for rotating the toner discharger,
- the toner discharger rotary shaft has a magnet helically arranged about the axis thereof, and
- magnetic particles forming a helical magnetic brush along the magnet on the surface of the toner discharger rotary shaft.
4 more elements
Dependencies are inferred from the claim text.