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Image reading unit and image reading apparatus

An image reading and component technology, which is applied in the direction of developing and printing devices, image communication, electrical components, etc., can solve the problems of image influence, position change, temperature rise, etc., to improve assembly, suppress distance change, and ensure driving stability. Effect

Inactive Publication Date: 2011-02-02
NISCA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the light source is continuously turned on for a long period of time for continuous reading, there is a problem that heat accumulates inside the holder, the temperature of the board rises, and the position of the mirror changes, which affects the image.

Method used

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  • Image reading unit and image reading apparatus
  • Image reading unit and image reading apparatus
  • Image reading unit and image reading apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Embodiments of the image reading device for reading images of the present invention will be described below with reference to the accompanying drawings.

[0042] (composition)

[0043] elephant figure 1 As shown, the image reading device 10 of the present embodiment includes an image reading part 1, which reads an image of a draft; an automatic draft transfer part 2, which is arranged on the image Above the reading unit 1 , the originals are conveyed one by one to a predetermined position where the image reading unit 1 performs a reading process.

[0044]

[0045] The image reading unit 1 includes a box-shaped casing 501 made of synthetic resin. The material of the housing 501 is a mixture of acrylonitrile-butadiene-styrene (ABS) and polycarbonate (PC), with a linear thermal expansion coefficient of about 80×10 -5 ( / °C) synthetic resin. The housing 501 is composed of a box-shaped housing bottom 501a and a cover-shaped housing top 501b. The box-shaped housing bott...

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PUM

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Abstract

To provide an image reader which is easily assembled and performs accurate scanning.The image reader is provided with: an image reading unit 6 for performing the read scanning of a still original; a shaft 506 for guiding the image read unit 6; a motor PM1 for moving the image reading unit 6; a timing belt 507 and pulleys P3 and P4 for transmitting the driving force of the motor PM1 to the image reading unit 6; and first and second reinforcing plates 502 and 551 attached to a lower casing 501a so as to reinforce the lower casing 501a. The first reinforcing plate 502 constitutes a guide for guiding the image reading unit 6 in a sub scanning direction. The motor PM1, timing belt 507 and pulleys P3 and P4 are fixed to the second reinforcing plate 551. A drive unit 520 is integrally attached to the lower casing 501a with a small number of components.

Description

[0001] The present invention is a divisional application of the No. 200410006132.1 invention patent application filed on March 2, 2004 with the title of "image reading component and image reading device". technical field [0002] The present invention relates to an image reading device used in a facsimile machine, an image forming device, a scanner used in connection with a computer, and the like. Background technique [0003] A common image reading device includes an image reading unit, which is loaded with an image sensor such as a CCD inside a box-shaped housing, and the image reading unit is moved in the sub-scanning direction, and the image reading unit is fixed to the housing. The manuscript on the upper platen is read and processed. In addition, inside the casing, a drive source for driving a motor or the like of the image reading unit, a timing belt for transmitting drive from the drive source to the image reading unit, and a pair of pulleys around which the timing b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/107H04N1/10G03B27/54H04N1/04H04N1/028H04N1/03H04N1/024
Inventor 由井贤一
Owner NISCA KK