Toner conveying device, toner supply device and image forming apparatus using these
AssigneeSharp Kabushiki Kaisha
InventorsYasuyuki Ishiguro, Takeshi Okuda, Takeshi Wakabayashi, Jun Yamaguchi, Hiroshi Kawahito
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Abstract
A supply passage assembly arranged under a toner bottle for conveying toner supplied from the toner bottle to a developing unit arranged below, includes: a toner passage having a toner input port at top and a toner discharge port at bottom and incorporating rotators for agitating the toner supplied from the toner bottle and is constructed so that the toner passage includes a first swing member for agitating toner near the toner input port and a second swing member for agitating toner near the toner discharge port.
Claims20
A toner conveying device arranged under a toner container for storing toner, for conveying toner supplied from the toner container to a developing unit arranged below, comprising:
- a toner input port formed at the top thereof for receiving toner supplied from the toner container;
- a toner discharge port formed at the bottom thereof for discharging toner to the developing unit side;
- and
- a toner conveying passage incorporating rotators for agitating the toner supplied from the toner container, the rotators having radially extending members that contact and agitate toner in the toner conveying passage as the rotators rotate, characterized in that the toner conveying passage further includes a first swing member for agitating toner at and around the toner input port and a second swing member for agitating toner at and around the toner discharge port.
A toner conveying device arranged under a toner container for storing toner, for conveying toner supplied from the toner container to a developing unit arranged below, comprising:
- a toner input port formed at the top thereof for receiving toner supplied from the toner container;
- a toner discharge port formed at the bottom thereof for discharging toner to the developing unit side;
- and
- a toner conveying passage extending between the toner input port and the toner discharge port, wherein the toner conveying passage includes:
- a first swing member having a first end that sweeps back and forth across the toner input port to agitate toner in the toner input port;
- and
- a second swing member having a first end that sweeps back and forth across the toner discharge port to agitate toner in the toner discharge port.
Dependencies are inferred from the claim text.