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Transfer belt device, method of assembling the same, and image forming apparatus

A transfer belt and rotating shaft technology, which is applied to the equipment, electrorecording, optics, etc. of the electrorecording process applying charge patterns, and can solve the problems of thinning of the flat space of the difficult-to-transfer belt.

Inactive Publication Date: 2013-02-06
RICOH KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then, it is difficult to further thin and reduce the flat space formed between the transfer belts

Method used

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  • Transfer belt device, method of assembling the same, and image forming apparatus
  • Transfer belt device, method of assembling the same, and image forming apparatus
  • Transfer belt device, method of assembling the same, and image forming apparatus

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Embodiment Construction

[0029] Exemplary embodiments of the present invention are explained in detail below with reference to the accompanying drawings. attached figure 1 is a schematic diagram for explaining the entire structure of an image forming apparatus including the transfer belt device according to the embodiment of the present invention. as attached figure 1 As shown in , the image forming apparatus includes four process units 1K, 1C, 1M, and 1Y for forming an image by using black, cyan, magenta, and yellow developers corresponding to color separation elements of a color image.

[0030] The process units 1K, 1C, 1M, and 1Y contain toners of different colors therein. However, the processing units 1K, 1C, 1M, and 1Y include similar structures. The processing unit 1K is explained as an example. The process unit 1K includes an image carrier 2 , a cleaning unit 3 , a charging unit 4 and a developing unit 5 . The processing unit 1K is connectable and detachable from the main body of the imagi...

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PUM

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Abstract

The present invention discloses a transfer belt device, an assembling method thereof and an image forming apparatus. In the transfer belt device, rolls including a tension roller are arranged in parallel. A pair of supporting members supports both ends of the rollers. A transfer belt is supported by the rollers. A biasing member applies a tension to the transfer belt by biasing the tension roller in a predetermined direction. The tension roller is movably supported in a straight-line direction. The biasing member is arranged in an area surrounded by the supporting members and the transfer belt in a direction of traversing from one supporting member to other supporting member.

Description

technical field [0001] The present invention relates to a transfer belt device, a method of assembling the transfer belt device, and an image forming apparatus including the transfer belt device. Background technique [0002] A direct transfer system is known as a transfer system for a typical image in a color image forming apparatus. In this direct transfer system, toner images of different colors respectively formed on a plurality of photosensitive drums are transferred onto paper conveyed by a transfer belt (transfer conveyor belt) by being sequentially directly superimposed. Due to this, a color image is formed. Also, an indirect transfer system was used as another transfer system. In this indirect transfer system, toner images of different colors formed similarly to the foregoing are transferred onto a transfer belt (intermediate transfer belt) by sequential superimposition. Due to this, a color image is formed. The color image is transferred in its entirety to the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/16G03G15/00
Inventor 井上知史坂下武司吉濑允纪目黑雄二村松武流
Owner RICOH KK