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Endless member drive apparatus and image forming apparatus

The technology of a ring-shaped component and a driving device is applied in the fields of electric recording technology using charge patterns, equipment for electric recording technology using charge patterns, and electrography, and can solve problems such as difficult idler roller (53) correction, and achieve Inexpensive structure, prevention of excessive swing, effect of structure correction

Inactive Publication Date: 2011-02-09
FUJIFILM BUSINESS INNOVATION CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In addition, the idle roller (53) is supported on the arm (63) which is rotatably supported on the belt frame (61), and not only due to the spring for applying tension to the transfer belt (51) ( 59) and due to the rotation of the arm (63), once the idler roller (53) passes its dead point, the idler roller (53) cannot return to its original position, thus making it difficult to stabilize the serpentine operation of the idler roller (53) correction

Method used

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  • Endless member drive apparatus and image forming apparatus
  • Endless member drive apparatus and image forming apparatus
  • Endless member drive apparatus and image forming apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] figure 1 is an overall explanatory view of the image forming apparatus according to Embodiment 1 of the present invention.

[0055] figure 2 is an enlarged perspective view of a main part of the belt assembly according to Embodiment 1 of the present invention.

[0056] image 3 for figure 2 An illustration of the belt assembly shown in , showing the media carousel removed from the belt assembly.

[0057] Figure 4A with 4B An explanatory diagram of the main parts of the printer. specifically, Figure 4A is an explanatory diagram showing the main parts of the printer in a state where the media transport belt is not rotating, and Figure 4B This is an explanatory diagram of the main parts of the printer showing the state in which the media conveyor belt is rotating. here, in Figure 4A with 4B In , the rear frame and the like are omitted.

[0058] exist figure 1 In , a printer U is shown as an example of the image forming apparatus according to Embodiment 1...

Embodiment 2

[0099] Figure 6A with 6B is an explanatory diagram of main parts of a driven roller and a driven bearing according to Embodiment 2 of the present invention, and corresponds to that according to Embodiment 1. Figure 5A with 5B . specifically, Figure 6A is an explanatory diagram showing the state in which the media conveyor belt is skewed backwards, and Figure 6B An explanatory diagram showing the state where the media conveyor belt is skewed forward.

[0100] Next, Embodiment 2 of the present invention will be described. In the following description of Embodiment 2, constituent elements corresponding to those of Embodiment 1 are given the same reference numerals, and detailed description thereof is omitted here.

[0101] This embodiment differs from Embodiment 1 in the following respects, but in the remaining respects, the present invention is similar in construction to Embodiment 1.

[0102] exist Figure 6A with 6B In the image forming apparatus according to Embo...

Embodiment 3

[0106] Figure 7 is an explanatory diagram of the whole of an image forming apparatus according to Embodiment 3 of the present invention.

[0107] Next, Embodiment 3 of the present invention will be explained. In the following description of Embodiment 3, constituent elements corresponding to those of Embodiment 1 are given the same reference numerals, and detailed description thereof is omitted here.

[0108] This embodiment differs from Embodiment 1 in the following respects, but in the remaining respects, the present invention is similar in construction to Embodiment 1.

[0109] exist Figure 7 Among them, a digital color copier U' as an example of an image forming apparatus according to Embodiment 3 includes a printer section U1' as an example of an image recording apparatus, an image scanner U2' as an example of an image reading apparatus, and an automatic document feeder U3'.

[0110] The automatic document feeder U3' is supported on a platen glass PG provided on the ...

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PUM

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Abstract

The invention discloses an endless member drive apparatus and an image forming apparatus. The endless member rotation drive apparatus includes: an endless member that rotates by receiving drive force; a drive support member that supports and drives the endless member; a rotatable support member that supports the endless member and is rotated along with the rotation of the endless member; a supporting body for supporting the rotatable support member to be able to be moved in the shaft direction of the rotatable support member and also able to be rocked in the direction intersecting the shaft direction, elastic members whose outer shapes are varied based on the movement of the rotatable support member in the shaft direction along with the deviation of the endless member. By having the outer shapes of the elastic members varied, the rotatable support member is rocked in the direction for correcting the deviation in the endless member.

Description

[0001] This application is a divisional application of an invention patent application filed on September 28, 2008, with the title of the invention "ring-shaped component driving device and image forming device" and the application number 200810168842.2. technical field [0002] The present invention relates to an annular member driving device and an image forming device. Background technique [0003] As technologies related to conventional image forming apparatuses including ring-shaped members, technologies respectively disclosed in the following patent documents are known. [0004] In JP-A-2006-162659 (the term "JP-A" used here means "Unexamined Published Japanese Patent Application"), there is disclosed a technology regarding the structure: The pulley (57) that is in contact with the belt edge (58) of (51) is rotatably supported on the end of the idler roller (53), and is provided with a tiltable roller tilting lever (64), which roll tilting lever (64 ) is used to suppo...

Claims

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Application Information

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IPC IPC(8): G03G15/16G03G15/00
CPCG03G2215/00143G03G15/1615G03G2215/00151G03G15/00
Inventor 须藤真树中村裁也
Owner FUJIFILM BUSINESS INNOVATION CORP