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Photosensitive-member cartridge, developing cartridge, and image-forming device

A photosensitive member and developing cartridge technology, which is applied to an electric recording process applying a charge pattern, equipment of an electric recording process applying a charge pattern, optics, etc. Problems such as shaking of the transport roller on the cassette side, interference with the operation of the photosensitive member cassette, etc.

Active Publication Date: 2009-10-07
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, when the photosensitive member cartridge is not mounted on the main body of the image forming apparatus, the cartridge-side conveyance roller shakes, thereby disturbing the operation of the photosensitive member cartridge
Also, when the cartridge-side conveying roller shakes, the cartridge-side conveying roller may protrude to the outside of the cartridge case of the photosensitive member cartridge due to its own weight.

Method used

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  • Photosensitive-member cartridge, developing cartridge, and image-forming device
  • Photosensitive-member cartridge, developing cartridge, and image-forming device
  • Photosensitive-member cartridge, developing cartridge, and image-forming device

Examples

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Embodiment Construction

[0046] Next, laser printers according to some embodiments of the present invention will be described with reference to the drawings. Note that in the following description, the words "front", "rear", "left", "right", "upper", "lower" are used to define the various parts when the laser printer is placed in the orientation it will be used .

[0047] Such as figure 1 As shown, the laser printer LP according to the embodiment of the present invention includes a housing 1 and a process cartridge 2 accommodated substantially at a central portion of the housing 1 . The process cartridge 2 is detachable from the housing 1 through the front surface of the housing 1 . The process cartridge 2 includes a photosensitive member cartridge 3 and a developing cartridge 4 detachably attached to the photosensitive member cartridge 3 .

[0048] The photosensitive member cartridge 3 includes a photosensitive drum 13 , a transfer roller 14 , a charger 36 and a casing 30 . The photosensitive drum ...

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PUM

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Abstract

The photosensitive member cartridge has upper registration rollers, both ends of which are rotatably supported on respective housing side walls by roller supporting members. A torsion coil spring engages the roller support member and the side wall, and urges the upper registration roller upward. When the photosensitive member cartridge is a single unit, the upper registration roller is held in a retracted position relative to the bottom wall of the housing without shaking.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Japanese Patent No. 2005-240781 filed on August 23, 2005. The entire content of the priority application is incorporated herein by reference. technical field [0003] The present disclosure relates to a photosensitive member cartridge including a conveying roller for conveying a recording medium, to a developing cartridge detachably mounted on such a photosensitive member cartridge, and to an image forming apparatus including a detachable process cartridge, processing The cartridge has a photosensitive member cartridge and a developing cartridge detachably mounted on the photosensitive member cartridge. Background technique [0004] There have been provided image forming apparatuses that form a visible image by supplying a developer to an electrostatic latent image formed on a photosensitive member and transfer the visible image to a recording medium. In this type of image formi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/18G03G15/08G03G15/00
CPCG03G2221/1672G03G2215/00405G03G21/1814
Inventor 神村直哉
Owner BROTHER KOGYO KK