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Developing device and image forming apparatus

A developing device and image technology, which is applied in the fields of electrical recording technology using charge graphics, equipment for using electrical recording technology using charge graphics, and electrical recording technology, can solve problems such as developer fog and achieve the effect of suppressing insufficient supply

Active Publication Date: 2014-06-04
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, developer fog in the form of vertical stripes will be generated on the image

Method used

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  • Developing device and image forming apparatus
  • Developing device and image forming apparatus
  • Developing device and image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] Embodiments of the present invention will be described in detail below based on the drawings. figure 1 It is a perspective view showing the appearance of the image forming apparatus 1 according to one embodiment of the present invention. in addition, figure 2 It is a side sectional view showing the internal structure of the image forming apparatus 1 according to one embodiment of the present invention. Here, the image forming apparatus 1 will be described by taking a monochrome printer as an example, but the image forming apparatus may be a copier, a facsimile apparatus, or a multifunction machine having these functions, or an image forming apparatus that forms a color image.

[0031] The image forming apparatus 1 includes a main body case 10 having a substantially rectangular parallelepiped frame structure, an image forming unit 30 housed in the main body case 10 , a fixing unit 40 , a toner container 50 , and a supply unit 90 .

[0032] A front cover 11 is provided...

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PUM

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Abstract

The invention relates to a developing device and an image forming apparatus provided with the same. The developing device of this disclosure has: a housing, a developing roller, a developer conveying path, a partition board, a second communication path, a developer receiving port, a first conveying member, a second conveying member, and a conveyance capability inhibition part. A toner is cyclically conveyed in a first conveying path and a second conveying path. A first stirring screw is disposed in the first conveying path and driven into ration around a first rotation axis for toner conveyance. Formed downstream of the first stirring screw by the conveyance capability inhibition part is a toner accumulation part, and the amount of toner refilled from a toner refill port is adjusted. Where an aperture area of the first communication path is A1 and a circular area formed by an outer circumferential edge of the first stirring screw in section orthogonal to the first rotation axis is A2, relationship 0.5Ax2

Description

technical field [0001] The present invention relates to a developing device suitable for mounting in image forming devices such as copiers and printers, and an image forming device including the developing device. Background technique [0002] The developing device is configured to include a developing housing including a developing roller and an agitating screw, and a toner container for toner replenishment detachably attached to the developing housing. An openable and closable toner discharge port is provided at the bottom of the toner container, and a toner replenishment port is provided at a position corresponding to the toner discharge port of the developing housing. When the toner container is mounted on the developing housing and the toner discharge port and the toner replenishing port are opened, the toner in the toner container is supplied to the prescribed circulation conveying path formed in the developing housing . [0003] The circular conveyance path is compo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/08
CPCG03G15/0879G03G15/0893
Inventor 中植隆久和田实冈田静四辻刚史山口晃史清水保
Owner KYOCERA DOCUMENT SOLUTIONS INC
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