Paper stopping component and printer using the same

A technology of printers and components, applied in printing devices, printing, etc., can solve problems such as paper jams

Inactive Publication Date: 2009-07-01
QISDA SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But when printing is finished, if the tail of a paper does not break away from the paper discharge roller 40 completely, then when the paper pickup roller 20 picks up the paper, because the paper discharge roller 40 will rotate towards the direction opposite to the direction of paper discharge, it will be turned on the contrary. The paper is rewound into the printer, causing paper jams
[0005] In addition, during the paper conveying process, there will be friction with the rollers to generate static electricity, which will also cause the paper to adhere to the paper output rollers and cause paper jams

Method used

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  • Paper stopping component and printer using the same
  • Paper stopping component and printer using the same
  • Paper stopping component and printer using the same

Examples

Experimental program
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Effect test

Embodiment 1

[0019] Please also refer to image 3 and Figure 4 , which are respectively a schematic diagram of a partial structure of a printer according to Embodiment 1 of the present invention and a side view thereof. The printer includes a main body 100 , a feed roller 160 , a paper output roller 120 and a paper blocking member 110 . The paper output roller 120 is set on the main body 100. When printing, the paper 10 is driven into the printing area by the feed roller 160; after the printing is completed, the paper 10 is clamped by the paper clamping member 130 and the paper output roller 120 which are also arranged on the main body 100 to continue to print. The paper tape leaves the paper outlet 5, and falls on the tray 150 after the paper 10 is output.

[0020] The paper blocking member 110 is disposed on the main body 100 by being connected with the rotating shaft 116 , and the paper blocking member 110 can rotate along with the rotating shaft 116 . The paper blocking member 110 ...

Embodiment 2

[0026] Please refer to Image 6 , which is a side view of a partial structure of a printer according to Embodiment 2 of the present invention. The difference from the first embodiment is that the detection device 180 is arranged on the main body 100 relative to the stop portion 114 , and the rest of the same components as the first embodiment continue to use their reference numerals, and their functions will not be repeated. The detection device 180 is, for example, a touch sensor. According to the contact state between the detection device 180 and the stopper 114 , it is detected whether the paper 10 has been detached from the paper output roller 120 . For example, when there is no paper, the detection device 180 and the stopper 114 are in contact with each other. When the paper is input, the stop portion 114 is pressed down, and the detection device 180 is out of contact with the stop portion 114, and the detection device 180 outputs a signal to notify the printer that the...

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PUM

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Abstract

The invention relates to a paper-retaining member, which is arranged inside a printer and comprises a body and a paper delivery roller. The paper-retaining member comprises a retaining part and a retaining elastomer, wherein the retaining elastomer is fixed on the printer and biased on the retaining part. When the tip of a piece of output paper is away from the retaining part, the retaining elastomer drives the retaining part to rise to be higher than the surface of the paper delivery roller, so as to retain a paper outlet and prevent the paper jam phenomenon due to backroll of the paper.

Description

technical field [0001] The invention relates to a paper stop member and a printer using the same, in particular to a paper stop member capable of preventing paper from rewinding and a printer using the same. Background technique [0002] figure 1 It is a schematic diagram of the structure of a conventional printer with an Auto Sheet Feed (ASF). exist figure 1 The paper 2 on the middle paper holder 4 is drawn into the printer by a pick-up roller 20 for printing, and the printed paper is transported by a feed roller 30 and an exit roller 40 and discharged to the outside of the printer. The feed roller 30 and the paper discharge roller 40 are connected by a timing belt (not shown) to rotate synchronously and in the same direction. [0003] Figure 2A-2B Respectively, the relationship between the feed roller and the paper pickup roller in the traditional paper-feeding state and printing state. The pick-up roller 20 and the feed roller 30 are driven by the same motor 50 , b...

Claims

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Application Information

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IPC IPC(8): B41J13/02
Inventor 赵明杰
Owner QISDA SUZHOU
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