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Developing device and image forming device

A developing device and image technology, applied to the electric recording process using charge patterns, equipment for electric recording processes using charge patterns, and electrography, which can solve the problems of small size and difficult assembly of sliding auxiliary parts

Active Publication Date: 2018-05-25
KYOCERA DOCUMENT SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in the case of the mechanism shown in Patent Document 3, there is a problem that the size of the slide assisting member is small and assembly is difficult.

Method used

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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Hereinafter, a developing device and an image forming apparatus including the developing device according to an embodiment of the present invention will be described with reference to the drawings. figure 1 It is a front sectional view showing the structure of an image forming apparatus including a developing device according to an embodiment of the present invention.

[0033] An image forming apparatus 1 according to an embodiment of the present invention is a multifunction peripheral having multiple functions such as a copy function, a print function, a scan function, and a facsimile function. The image forming apparatus 1 includes an operation unit 47 , an image forming unit 12 , a fixing unit 13 , a paper feeding unit 14 , a document supply unit 6 , an image reading unit 5 , and the like in an apparatus main body 11 .

[0034] The operation unit 47 receives an instruction to execute an image forming operation, an instruction to execute a document reading operation, ...

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PUM

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Abstract

A developing device includes a developing roller and a moving mechanism for moving the developing roller between two positions where the developing roller is in contact with and separated from a photoreceptor drum. The moving mechanism includes: a bearing portion for rotatably supporting the rotation shaft of the developing roller, a pressing member for pressing the bearing portion, a shaft member, a biasing member, and a wire member. The wire member connects the bearing portion and the shaft member, and biases the bearing portion in a direction to separate the bearing portion from the photoreceptor drum according to the applied force of the biasing member. Move toward the photoreceptor drum. According to the present invention, without complicating the structure, the assemblability is optimized, and the contact and separation of the developing roller relative to the image carrier is performed more smoothly, thereby improving the work efficiency when replacing the developing device.

Description

technical field [0001] The present invention relates to a developing device and an image forming device provided with the developing device, in particular to a mechanism for contacting and separating a developing roller from an image carrier. Background technique [0002] An image forming apparatus in the form of an electrophotographic is provided with a developing device that supplies a developer to an electrostatic latent image formed on a photoreceptor drum (image carrier) via a developing roller to generate a toner image. In this developing device, in order to enable the supply of the above-mentioned developer, the developing roller is arranged in an adjacent state to the extent of contact with the photosensitive drum. However, in order to take out the developing device without damaging the photosensitive drum during maintenance, etc., A mechanism is provided that moves the developing roller from a state of being adjacent to the photosensitive drum to a position of being...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/01G03G15/09
CPCG03G15/0121G03G15/0194G03G15/0921G03G15/0806G03G21/1676
Inventor 柏本昌广辻浩文
Owner KYOCERA DOCUMENT SOLUTIONS INC