Developing device and image forming device including the developing device

A developing device and developer technology, which is applied in the field of image forming devices and developing devices, can solve problems such as contamination of image forming devices, and achieve the effect of preventing forgetting to open the developer outlet

Active Publication Date: 2017-05-24
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The scattered developer will contaminate the inside of the image forming device, etc.

Method used

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  • Developing device and image forming device including the developing device
  • Developing device and image forming device including the developing device
  • Developing device and image forming device including the developing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0020] refer to figure 1 , the configuration of the image forming apparatus 1 according to an embodiment of the present invention will be described. figure 1 It is a cross-sectional view schematically showing the overall configuration of the image forming apparatus 1 of the present embodiment.

[0021] The image forming apparatus 1 is a tandem color printer. The image forming apparatus 1 includes rotatable photosensitive drums (image carriers) 11 a to 11 d. As the photosensitive drums 11 a to 11 d , an organic photoreceptor (OPC photoreceptor) formed with an organic photosensitive layer, an amorphous silicon photoreceptor formed with an amorphous silicon photosensitive layer, or the like is used. The photosensitive drums 11a to 11d are arranged to correspond to the respective colors of magenta, cyan, yellow, and black. The developing devices 2a to 2d, the exposure u...

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PUM

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Abstract

A development device includes a developer container, a developer bearing member, a mixing / transporting member, an opening / closing member, and a drive mechanism. The developer container contains a developer. The developer bearing member is rotatably supported by the developer container. The developer bearing member also has a surface facing an image bearing member on which an electrostatic latent image is to be formed. The developer is borne on the surface of the developer bearing member. The mixing / transporting member mixes and transports the developer in the developer container. The opening / closing member opens and closes a developer outlet for discharging an excess of the developer in the developer container. The drive mechanism drives the opening / closing member in association with driving of the developer bearing member or the mixing / transporting member to open the developer outlet.

Description

technical field [0001] The present invention relates to a developing device and an image forming device including the developing device. Background technique [0002] In an image forming apparatus, a latent image is formed on the surface of an image carrier made of a photoreceptor or the like, and the latent image is developed by a developing device to be visualized as a toner image. As one of the developing systems, there is a two-component developing system using two-component developers. A developing device employing a two-component developing system includes a developing container, a developing roller, and a stirring and conveying member. The developing container contains a two-component developer composed of a magnetic carrier and toner. The developing roller supplies developer to the image carrier. The agitating and conveying member conveys and supplies the developer in the developing container to the developing roller while agitating it. [0003] In a developing d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/08
CPCG03G15/0887G03G15/0893
Inventor 山根直树陆琳
Owner KYOCERA DOCUMENT SOLUTIONS INC
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