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Transmission mechanism and paper feeder using same

A transmission mechanism and automatic paper feeding technology, which is applied to the electrical recording process using charge graphics, equipment and instruments using the electrical recording process using charge graphics, etc. It can solve the problems of large number of components, inaccurate actions, slow response, etc.

Active Publication Date: 2013-01-30
AVISION PRECISION IND (SUZHOU) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the combination of the clutch and the motor is replaced by a gear set, the number of components is large, so the coordination is complicated and the response is slow, which is prone to the disadvantage of inaccurate action.

Method used

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  • Transmission mechanism and paper feeder using same
  • Transmission mechanism and paper feeder using same
  • Transmission mechanism and paper feeder using same

Examples

Experimental program
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Effect test

no. 1 example

[0055] Regarding the first embodiment of the present invention, please refer to FIG. 3 , the arm member 42 of the switching assembly 40 has a first arm portion 421 and a second arm portion 422 , and there is a gap between the first arm portion 421 and the second arm portion 422 . angle.

[0056] The switching gear set 43 is composed of a plurality of gears, including a first gear set 44 and a second gear set 46 . The first gear set 44 has a plurality of intermeshing gears and is disposed on the first arm portion 421 , and the second gear set 46 has a plurality of intermeshing gears and is disposed on the second arm portion 422 .

[0057] The driving gear 48 has a main tooth portion 482 , and a coupling tooth portion 484 is combined with the main tooth portion 482 . The main tooth portion 482 meshes with the third gear 36 of the transmission gear train 30 , and the coupling tooth portion 484 meshes with the first gear set 44 and the second gear set 46 . The driving gear 48 is...

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Abstract

The invention relates to a paper feeder which is provided with a transmission mechanism and is used for driving a paper feeding mechanism to convey paper. The transmission mechanism comprises an output gear, a transmission gear meshed with the output gear and a switching assembly arranged between the transmission gear and the output gear and used for switching the rotation direction of the output gear, wherein the switching assembly comprises a movable arm member, a drive gear driven by a drive gear system to rotate towards the foreward direction or reverse direction, a switching gear set arranged on the arm member and meshed with the drive gear, and a clutch device used for limiting the arm member to move to enable the switching gear set to separate from the output gear. When the output gear is meshed with the switching gear set, the output gear changes the rotation direction according to the rotation direction of the switching gear set, and changes the rotating direction of a transmission shaft of the paper feeding mechanism; and when the output gear separates from the switching gear set, the output gear and the transmission shaft of the paper feeding mechanism are not driven by a power source.

Description

technical field [0001] The invention relates to a paper feeder and its transmission mechanism, in particular to an image reading device, such as a scanner, copier, printer, facsimile machine and multifunctional office machine, and a paper feeder and its transmission mechanism. Background technique [0002] Generally, the image reading device is equipped with a paper feeder to perform the function of automatically feeding manuscript paper. A traditional paper feeder consists of a paper feed roller set, a paper pickup roller for taking paper from a paper cassette, a paper separation roller with a paper separation function, a transmission mechanism, and a motor for driving the above-mentioned paper feeding components. [0003] Take a double-sided document scanner as an example, especially a double-sided document scanner with only a single image reading module. When performing double-sided scanning, the motor must rotate forward and reverse to make the paper feed roller set forw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H3/06B65H5/06B65H7/00B65H7/20G03G15/00
Inventor 郑松柏陈谷名林家晖
Owner AVISION PRECISION IND (SUZHOU) CO LTD
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