Developer cartridge

A technology of developing cartridge and extension part, applied in the field of developing cartridge, can solve the problem of uneven pressing force and the like

Active Publication Date: 2011-09-28
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] As a result, the pressing force of the developing roller against the photosensitive drum may become uneven in the axial direction of the developing roller

Method used

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Experimental program
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Embodiment Construction

[0031] 1. The overall structure of the color laser printer

[0032] Such as figure 1 As shown, the color laser printer 1 is a direct tandem color laser printer and is placed horizontally. The color laser printer 1 has a main body casing 2 , a paper feeding section 3 for feeding paper P inside the main body casing 2 , and an image forming section 4 for forming an image on the fed paper P. As shown in FIG.

[0033] (1) Main shell

[0034] The main body casing 2 has a substantially rectangular box shape in side view, and accommodates the paper feeding section 3 and the image forming section 4 . The front cover 5 is provided on one side wall of the main body case 2 so that a later-described processing unit 9 is installed or removed.

[0035] By assuming that the laser printer 1 is located in the orientation where it is intended to be used, "up", "down", "up", "down", "above", "below", "under", Terms like "right", "left", "front", "rear". In use, a color laser printer 1 such a...

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PUM

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Abstract

In a developer cartridge, the base portion is fixed to an outer surface of the one side of the frame, and extends from one end thereof to another end thereof in a second direction orthogonal to the first direction. The first extending portion extends from one end thereof to another end thereof in the first direction. The one end of the first extending portion is connected to another end of the base portion. The second extending portion extends from one end thereof to another end thereof in a direction opposite to the second direction. The one end of the second extending portion is connected to another end of the first extending portion. The input portion is connected to another end of the second extending portion and inputs electrical power from an external device. The electrode is deformable such that a distance between the base portion and the second extending portion becomes smaller.

Description

technical field [0001] The present invention relates to a developing cartridge provided on an image forming apparatus such as a laser printer. Background technique [0002] A tandem color laser printer is well known in the prior art as a color printer utilizing an electrophotographic method, which is provided with a plurality of photoconductors and a plurality of developing cartridges. In a tandem color laser printer, multiple photoconductors are arranged in parallel, corresponding to four color toners of yellow, magenta, cyan, and black. A plurality of developing cartridges are arranged corresponding to the photoconductors so as to feed toner to the photoconductors. [0003] The following developing cartridges are proposed as examples of developing cartridges provided in such tandem color laser printers. That is, the developing cartridge includes a developing roller and a feed roller in contact with the developing roller. When the developing cartridge is attached to a dr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/08G03G15/00
CPCG03G15/0832G03G21/1871G03G15/0855G03G21/1652G03G15/0865G03G21/1676G03G21/1647
Inventor 加藤修一
Owner BROTHER KOGYO KK
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