Paper supply device for ink-jet printer

An inkjet printer and paper feeding device technology, applied in printing devices, printing presses, printing and other directions, can solve problems such as paper skew, reduced printing quality, inability to drive rollers 32 and feeding rollers 33 to smoothly transport paper, etc.

Inactive Publication Date: 2004-08-04
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the ordinary paper feeding device 30 of an inkjet printer cannot make the driving roller 32 and the supply roller 33 convey the paper smoothly because the pickup roller 31 is placed on the paper even after the paper is picked up.
Therefore, the paper cannot be smoothly conveyed to the print head
thus reducing print quality
Also, when the pickup roller 31 does not press the paper with the same load every time it picks up the paper, the paper may be skewed or jammed.

Method used

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Embodiment Construction

[0024] The paper feeding device of the inkjet printer according to the embodiment of the present invention will be described in more detail below with reference to the accompanying drawings. The same elements as in the prior art will be denoted by the same reference numerals.

[0025] Such as figure 2 As shown, the paper feeding device 100 of the inkjet printer according to the embodiment of the present invention includes a motor 110 , a feeding roller 120 , a coupling housing 130 , a pickup roller 140 and a clutch 150 .

[0026] The motor 110 is a power source for driving the supply roller 120 and the pickup roller 140, and is usually a DC motor. The motor 110 mainly moves the supply roller 120 to supply, so it is also called an LF motor. The motor 110 is connected to a timing belt 111 , and the timing belt 111 is connected to a reduction gear 112 .

[0027] The feed roller 120 directs the paper picked up by the pickup roller 140 toward the print head 10 ( figure 1 ) is ...

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PUM

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Abstract

A paper feeding device of an inkjet printer includes a motor generating a drive force, a pickup drive shaft rotated by the motor, a pivoting link housing disposed on the pickup drive shaft, a pickup roller connected to the ling housing, and a clutch enlinking the pickup drive shaft and the link housing enabling the link housing to pivot by a predetermined angle by rotation of the pickup drive shaft.

Description

technical field [0001] The present invention relates to inkjet printers, and more particularly to paper feeding devices for inkjet printers. Background technique [0002] An inkjet printer is a printing device that produces an image on paper by ejecting ink from a print head, and generally has a front-in and front-out (FIFO) feed structure in which the device feeds and discharges in the same direction. [0003] figure 1 An example of an inkjet printer with a FIFO feed structure is shown. refer to figure 1 , the inkjet printer includes: a print head 10, which sprays ink onto the paper; a paper feed cassette 20, in which the paper is stacked; and a paper feed device 30, which stacks the paper The paper is supplied to the print head 10. The paper feeding device 30 includes: a pick-up roller 31, which picks up the stacked paper; a driving roller 32, which conveys the picked-up paper; and a supply roller, which continues conveying the conveyed paper to the print head 10 . ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J13/00B41J13/10B65H3/06
CPCB41J13/103B65H2404/1521B65H2301/423245B65H2403/723B65H2403/72B65H3/06B41J13/00
Inventor 姜承旭
Owner SAMSUNG ELECTRONICS CO LTD
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