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Process cartridge

A technology of process box and developer box, applied in the field of process box, can solve problems such as lifting constraints, and achieve the effects of convenient maintenance, improved operability, and good operability

Active Publication Date: 2014-07-30
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accordingly, when the other end portion of the developing cartridge is lifted, the predetermined portion of the developing cartridge contacts the contact piece of the lock lever, whereby further lifting is restrained.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] Hereinafter, exemplary embodiments of the present invention will be specifically described with reference to the accompanying drawings.

[0019] (printer)

[0020] as in figure 1 As shown in , a laser printer 1 (an example of an image forming apparatus) has a body casing 2 (an example of a main body). One side wall of the body case 2 is formed with a cartridge attachment and detachment port 3 and is provided with a front cover 4 that opens and closes the cartridge attachment and detachment port 3 .

[0021] In the following description, the side where the front cover 4 is provided is referred to as a front side. Up, down, left, and right of the laser printer 1 are set when viewed from the front side of the laser printer 1 . In addition, regarding the developing cartridge 7 (to be described later), front and rear are set based on a state in which the developing cartridge is mounted to the body casing 2 . In addition, the top, bottom, left and right of the developing ...

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PUM

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Abstract

The process cartridge includes: a drum cartridge; a developing cartridge that holds a developing roller at a first end thereof and is detachably mounted to the drum cartridge; a locking member that is provided to the drum cartridge, and the a locking member displaceable between a locking position and a locking release position; an operating member displacing the locking member to the locking release position; and a lifting member that moves from the drum when the locking member is displaced to the locking release position. a cartridge-lifting second end portion of the developing cartridge; a developing-side holding portion extending in a direction perpendicular to a direction in which the second end portion is lifted from the drum cartridge; and a drum-side holding portion when the developing cartridge is installed, The drum side holding portion extends parallel to the developing side holding portion while opposing the developing side holding portion in the lifting direction.

Description

technical field [0001] The present invention relates to a process cartridge detachably mounted to an image forming apparatus. Background technique [0002] In an image forming apparatus such as a laser printer, it is known that a developing cartridge holding a developing roller is mounted to a drum cartridge holding a photosensitive drum, and these cartridges are then integrally mounted as a process cartridge to the main body of the apparatus. [0003] In one example of the process cartridge, the drum cartridge has a developing cartridge accommodating portion. The photosensitive drum is arranged at one side of the developing cartridge accommodating portion and faces the developing cartridge accommodating portion. Meanwhile, the developing roller is disposed at one end of the developing cartridge so that a portion of its peripheral surface is exposed to the outside. [0004] When the developing cartridge is mounted to the drum cartridge, the developing cartridge is arranged...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/18G03G15/08
CPCG03G21/1821
Inventor 高木猛行
Owner BROTHER KOGYO KK