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Developing device and image forming device having same

A developing device, image technology, applied in the direction of electric recording process applying charge pattern, equipment for applying electric recording process of charge pattern, electric recording technique, etc.

Active Publication Date: 2017-10-20
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The one-component developer is stored in the box

Method used

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  • Developing device and image forming device having same
  • Developing device and image forming device having same
  • Developing device and image forming device having same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Embodiments of the present invention will be described in detail below with reference to 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, a black-and-white printer is exemplified as the image forming apparatus 1 , but the image forming apparatus may be a copier, a facsimile apparatus, or a multifunction peripheral having the functions of these apparatuses, or may be an image forming apparatus that forms a color image.

[0017] The image forming apparatus 1 includes: a main body casing 10 having a substantially rectangular parallelepiped box structure; an image forming unit 30 accommodated in the main body casing 10; a fixing unit 40; a toner cartridge 50; Paper Section 90.

[0018] The ma...

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PUM

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Abstract

In a development device, a developer carrier arranged in a housing containing a one-component developer has a circumferential surface carrying the developer. A developer conveying path includes one conveying path along the developer carrier in a first direction and another conveying path in a second direction opposite to the first direction. The developer is circulated and conveyed between the conveying paths. A developer conveying member is arranged in the one conveying path and rotationally driven to convey the developer along the first direction and to supply the developer to the developer carrier. A layer thickness adjusting member is arranged at a distance from the circumferential surface to adjust a layer thickness of the developer supplied to the developer carrier. The developer carrier has a circumferential speed Vd and the developer conveying member has a circumferential speed Vs so that a circumferential speed ratio Vd / Vs satisfies a relationship represented by 1.3‰¤Vd / Vs‰¤5.0.

Description

technical field [0001] The present invention relates to a developing device that develops an electrostatic latent image formed on an image carrier with a one-component developer, and an image forming device having the same. Background technique [0002] There is known a developing device employing a technique for developing an electrostatic latent image formed on an image carrier with a one-component developer used in an image forming device such as a printer. The developing device has: a developer carrier in which a fixed magnet is incorporated; a layer thickness regulating member which restricts the thickness of a developer layer formed on the developer carrier; a developer conveying member which supplies the developer to the developer. agent carrier. [0003] In the above developing device, at a position where the developer carrier and the developer conveying member face each other, the peripheral speed of the developer carrier is set to be 5 times or more that of the de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/08G03G15/09G03G15/00
CPCG03G15/0877G03G15/0893
Inventor 清水保冈田静四辻刚史山口晃史
Owner KYOCERA DOCUMENT SOLUTIONS INC