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Image forming apparatus

An imaging device and a toner image technology, which are applied to instruments, equipment of electrical recording technology applying charge patterns, optics, etc., can solve the problem of difficulty in ensuring the dimensional accuracy of cleaning blades and the like

Inactive Publication Date: 2005-10-12
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, it is difficult to ensure dimensional accuracy between the cleaning blade and each photosensitive drum

Method used

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  • Image forming apparatus
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Embodiment Construction

[0030] The following will be combined with Figures 1 to 10 Examples of the present invention will be described. In the drawings, the same elements are identified by the same reference numerals, and repeated explanations are omitted.

[0031] refer to figure 1 , in the main unit 1 of the color imaging device, the imaging units 2, 3, 4 for forming yellow (Y), magenta (M), cyan (C) and black (K) toner images respectively , 5 according to Shun detachable to set up. The exposure devices 6a, 6b, 6c, 6d are arranged to correspond to the imaging units 2 to 5, respectively.

[0032] like figure 2 As shown in detail, each image forming unit 2 to 5 includes: a photosensitive drum (photosensitive element) 2a, 3a, 4a or 5a as a rotatable image carrier; a charging device (charging section) 15 which charges the photosensitive drum 2a to 5a Charged to a uniform potential; the developing roller (developing part) 2b, 3b, 4b or 5b is used to stick the toner from the toner cartridge to th...

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PUM

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Abstract

In an image forming apparatus, the workability of assembling of a cleaning blade is improved, and the dimensional accuracy between the cleaning blade and a photosensitive member is properly ensured. A cleaning blade 19 having a body portion 19 a configured by an elastic plate member and a planar base plate portion 19 b to which the body portion 19 a is secured is held and secured by: a first butting part P 1 which is a predetermined position in a first face S 1 positioned in a front portion of the base plate portion 19 b in the rotation direction of a photosensitive drum 2 a to 5 a; a second butting part P 2 which is in a second face S 2 opposed to the first face S 1 , and which is positioned closer to the photosensitive drum 2 a to 5 a than the first butting part P 1 ; a third butting part P 3 which is an end part of the base plate portion 19 b that is opposite to the photosensitive drum 2 a to 5 a; and the photosensitive drum.

Description

technical field [0001] The present invention relates to an imaging device. Background technique [0002] In an image forming apparatus using an electrophotographic system, conventionally, a photosensitive element as an image carrier is charged by a charging device, and the charged photosensitive element is irradiated with light corresponding to image information to form a latent image, which is formed by developed by a developing device, and the developed toner image is transferred to a recording medium to form an image. [0003] With the advancement of colorization of images, tandem color imaging devices having a plurality of imaging units for performing imaging processing respectively have been proposed. In such an apparatus, colored toner images including a cyan image, a magenta image, a yellow image, and preferably a black image are formed on respective photosensitive members, and at the transfer positions of the photosensitive members, the respective color The powder ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00G03G21/00G03G21/10
CPCG03G21/0017G03G21/0011
Inventor 沟口义浩井嶋喜明
Owner PANASONIC CORP