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Skew rectification mechanism for fed paper

a skew and paper technology, applied in the direction of transportation and packaging, thin material processing, article separation, etc., can solve the problems of failure to achieve a micro-correction effect, difficult to smoothly deliver paper, and problems such as problems

Inactive Publication Date: 2009-10-01
KINPO ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]It is therefore a primary object of the present invention to provide an improved skew rectification mechanism for fed paper and a method for rectifying skew of fed paper. The skew rectification mechanism is able to micro-rectify skew of the paper in a more smooth state.

Problems solved by technology

However, some problems exist in the above patent.
Therefore, such measure fails to achieve a micro-correction effect.
This makes it difficult to smoothly deliver the paper.

Method used

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  • Skew rectification mechanism for fed paper
  • Skew rectification mechanism for fed paper
  • Skew rectification mechanism for fed paper

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Embodiment Construction

[0017]Please refer to FIGS. 1 and 2. The skew rectification mechanism for fed paper of the present invention includes a paper receptacle 20 in which a roll of paper 21 is contained, a recording section 30 for recording data or information on the paper 21 fed from the paper receptacle 20, and at least one detector 40 arranged in a position adjacent to a paper-feeding path for detecting the delivery condition of the paper 21 and transmitting detection signals to a control section 50. The control section 50 serves to controllably actuate motors 61, 62 to drive gears 71, 72. A guide section 10 is arranged between the paper receptacle 20 and the recording section 30 for guiding and delivering the paper 21.

[0018]The guide section 10 includes a first rotational shaft 11 and a second rotational shaft 12 coaxially interconnected with each other by a coupling shaft 13. The first and second rotational shafts 11, 12 are parallel to a transverse reference axis χ of the paper 21. The first and se...

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Abstract

Skew rectification mechanism for fed paper. The skew rectification mechanism includes a first rotational shaft and a second rotational shaft arranged in parallel to a transverse reference axis of the paper. The rotational shafts are rotationally drivable by motors. A roller is coaxially fitted around each rotational shaft for guiding the paper to advance. In case of skew taking place in delivery of the paper, the first and second rotational shafts are rotated at different rotational speed to smoothly micro-rectify the skew of the paper.

Description

BACKGROUND OF THE INVENTION[0001]The present invention is related to a skew rectification mechanism for fed paper, and more particularly to a skew rectification mechanism in which the rotational shafts for feeding the paper can be rotated at different rotational speeds to micro-rectify the skew of the paper.[0002]A conventional paper-feeding mechanism is applied to a printing machine or an office machine for faxing, printing or scanning papers. The conventional paper-feeding mechanism is generally equipped with rollers for picking, feeding and delivering the paper through the machine. In some cases, the paper is fed in a skewed state. In order to correct the skew of the paper, some measures have been developed. For example, U.S. Pat. No. 5,947,617 discloses a skew correction mechanism for a roll paper. The skew correction mechanism includes rotational shafts and rollers eccentrically mounted on the rotational shafts for pulling the paper back to its true position.[0003]To speak in m...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B65H7/02
CPCB65H23/0326B65H2801/12B65H2701/1315B65H2511/514
Inventor CHEN, TUO-JENPAN, TIEN-YULAI, YI-LIN
Owner KINPO ELECTRONICS
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