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Belt conveyance device, media conveyance device, and printer

A technology of belt conveying and media, applied in the field of conveying sheet media by conveyor belt, can solve the problems of increasing conveying load and increasing the number of parts, and achieve the effect of reducing the number of parts, easy setting and realizing conveying speed.

Active Publication Date: 2015-07-01
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the structure of Patent Document 1 is such that the driven roller is arranged so as to be in contact with the horizontally extending portion of the intermediate transfer belt, and it is necessary to provide a separate driven roller in addition to the roller that defines the belt path.
Therefore, the number of parts increases
In addition, although it is necessary to maintain the pressing pressure to the extent that no slip occurs between the intermediate transfer belt and the driven roller, if the pressing pressure is higher than the normal requirement, the conveying load will increase

Method used

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  • Belt conveyance device, media conveyance device, and printer
  • Belt conveyance device, media conveyance device, and printer
  • Belt conveyance device, media conveyance device, and printer

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] Hereinafter, embodiments of a printer (medium transport device) including a belt transport device to which the present invention is applied will be described with reference to the drawings.

[0020] (overall composition)

[0021] figure 1 is an external perspective view of a printer according to an embodiment of the present invention, figure 2 It is a schematic longitudinal sectional view showing the internal mechanism of the printer. Such as figure 1 As shown, the printer 1 includes a cubic printer case 2 that is long in the front-rear direction as a whole. An operation panel 3 is provided on one side in the width direction of the upper portion of the front surface 2 a of the printer case 2 , and a paper discharge port 4 is formed on the other side. An opening and closing cover 5 for maintenance is provided below the paper discharge port 4 . Hereinafter, in this specification, the width direction of the printer is indicated by a symbol X, the front-back direction...

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PUM

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Abstract

A printer 1 has a belt conveyor mechanism 18 disposed to a platen unit 8 opposite a printhead 7. The belt conveyor mechanism 18 has three conveyor belts 81 mounted on a belt drive roller 82a and guide rollers 82b to 82d. The conveyor belt 81 curves in a C-shape when seen from outside the belt path where the conveyor belt 81 travels around a guide roller 82c. Another guide roller 82d is positioned outside of the belt path, and contacts the surface (conveyance surface) of the conveyor belt 81 curved in the C-shape. An encoder 84 and inertia member 85A are attached to the rotational shaft 82e of the guide roller 82d. Another inertia member 85B is attached to the output shaft 83a of the conveyor motor 83.

Description

technical field [0001] The invention relates to the technology of conveying sheet-like media with a conveyor belt. Background technique [0002] Devices such as printers and scanners that perform printing and reading information on sheet media are equipped with a belt conveyance mechanism (belt conveyance device) that conveys the medium using a conveyor belt that is suspended between rollers. Patent Document 1 discloses an image forming apparatus including such a belt conveyance mechanism. The image forming apparatus of Patent Document 1 transfers a toner image formed on a photoreceptor to an intermediate transfer belt to form a color image. The intermediate transfer belt is hung on three rollers of two pulleys and a belt conveying drive roller. A color image is transferred from the intermediate transfer belt to paper conveyed between one of the two pulleys and the secondary transfer drive roller. [0003] Patent Document 1: Japanese Patent Laid-Open No. 2006-78906 [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J11/00B41J11/42
CPCB65H7/02B65H5/021B65H2553/51B65H2404/252B65H2511/22B65H2513/10B65H2220/03B65G23/44
Inventor 洞口范夫
Owner SEIKO EPSON CORP
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