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Title:
PAPER SHEET CONVEYING DEVICE
Document Type and Number:
Japanese Patent JP2008303021
Kind Code:
A
Abstract:

To provide a paper sheet conveying device capable of preventing any double feed and reducing the cost without using any static eliminating method by a static elimination brush.

The paper sheet conveying device for conveying paper sheets by the electrostatic conveying system comprises a conveying belt for conveying the paper sheets, a charging roller for charging the conveying belt, a high-voltage power source for applying the voltage to the charging roller, and a control means for controlling the high-voltage waveform of the high-voltage power source. The control means charges the paper sheets so that the polarities of the charges at the opposing positions when the n-th paper sheet to be conveyed and the (n+1)-th paper sheet to be conveyed are superposed on each other (where n denotes a natural number).


Inventors:
OGAWA SEIYA
SHUDA TOMOHIRO
KAWASAKI TOMOKO
HARADA YASUNARI
Application Number:
JP2007151211A
Publication Date:
December 18, 2008
Filing Date:
June 07, 2007
Export Citation:
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Assignee:
RICOH KK
International Classes:
B65H5/00; B41J11/06; B65H5/02
Domestic Patent References:
JP2007030316A2007-02-08
JP2004137016A2004-05-13
JP2004131242A2004-04-30
JP2004262557A2004-09-24
JP2005343167A2005-12-15
Attorney, Agent or Firm:
Chieko Tateno



 
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