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Paper-feeding apparatus having a part to vary a paper-entering angle in an image forming apparatus

A technology of paper feeding and equipment, applied in the direction of printing devices, office printing equipment, pile separation, etc., can solve problems such as paper feeding failures, paper picking problems, etc.

Inactive Publication Date: 2004-03-17
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] If the feed angle of the paper separation element 40 is not suitable for photographic paper, paper pick-up problems such as multi-feed or paper misfeed can occur

Method used

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  • Paper-feeding apparatus having a part to vary a paper-entering angle in an image forming apparatus
  • Paper-feeding apparatus having a part to vary a paper-entering angle in an image forming apparatus
  • Paper-feeding apparatus having a part to vary a paper-entering angle in an image forming apparatus

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Embodiment Construction

[0030] Preferred embodiments of the invention will now be described in detail with reference to the accompanying drawings, in which several examples of the invention are shown, in which like reference numerals are used for like elements.

[0031] figure 2 A first embodiment of the invention is shown. This figure shows a sheet feeding device 100 of an image forming apparatus having a portion for changing a sheet feeding angle according to a first embodiment of the present invention.

[0032] Such as figure 1 As shown in the paper feeding device 100, the paper feeding device 100 according to the first embodiment of the present invention includes a frame 110 including a paper stacker or a paper stacking tray, and one is arranged on the lower side of the frame 110 ( figure 2 the right-hand side of the frame 110), a pickup unit 130 that rotates in association with a power transmission gear train connected to a pickup roller drive motor (not shown) and picks up sheets stacked in...

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PUM

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Abstract

A paper feeding apparatus in an image forming apparatus including a paper-entering angle varying portion disposed in a frame to vary the angle of a leading end of a sheet entering a paper separating member according to the thickness or stiffness of the paper being fed. The paper-entering angle varying portion includes a paper leading end bending guide formed on the bottom surface of the frame in which paper is stacked. The paper feeding apparatus can prevent a paper feed problem, for example, multi sheet feed or a sheet feed failure by varying the paper-entering angle using the paper leading end bending guide when the paper is picked up according to the stiffness of the paper being fed.

Description

technical field [0001] The present invention relates to a paper feeder for an image forming apparatus such as a copier, printer or facsimile in an office, and more particularly to a paper feeder for an image forming apparatus having a portion for changing the paper feed angle to prevent paper pickup problems. Pickup problems are, for example, multiple feeds or misfeeds. These problems can be overcome by changing the angle of the leading edge of the paper contacting the paper separating member. Specifically, these problems can be overcome by changing the angle of the front end of the paper entering the paper separating member according to the thickness or hardness of the fed paper. Background technique [0002] Image forming apparatuses, ie office machines such as printers or facsimile machines generally include a paper feeder for feeding paper to the image forming unit. [0003] Such as figure 1 As shown, the paper feeding device 10 includes a frame 11 forming a stacker o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65H3/52B41J11/00B65H1/04B65H3/56
CPCB65H2405/113B65H1/266B65H3/56B65H2405/1136B65H1/04B65H2405/1111B41J11/00
Inventor 朴柱炫
Owner SAMSUNG ELECTRONICS CO LTD