Title:
SHEET FEEDING DEVICE AND PRINTING DEVICE
Document Type and Number:
Japanese Patent JP2018150106
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To accurately detect separation of a sheet from a roll and perform automatic paper feeding.SOLUTION: In automatic paper feeding from a roll, a sheet feeding device detects sheet separation using a sensor installed in a position to which a sheet outer face comes close to a sheet separated from an outer periphery of the roll, and of which sensor output varies according to a distance to the sheet outer face. The sheet feeding device feeds a sheet while changing a rotation direction of the roll to a first direction opposite to a second direction when the roll is rotated in the second direction and a prescribed change occurs in the sensor output.SELECTED DRAWING: Figure 9
Inventors:
NAGAYAMA MASATO
IGARASHI YUKI
KAMADA MASASHI
NEGISHI MASAFUMI
SHINJO RYOYA
KOBAYASHI RYO
SUZUKI TOMOHIRO
OBATA TSUTOMU
IGARASHI YUKI
KAMADA MASASHI
NEGISHI MASAFUMI
SHINJO RYOYA
KOBAYASHI RYO
SUZUKI TOMOHIRO
OBATA TSUTOMU
Application Number:
JP2017046414A
Publication Date:
September 27, 2018
Filing Date:
March 10, 2017
Export Citation:
Assignee:
CANON KK
International Classes:
B65H19/10; B41J15/04; B65H7/02
Domestic Patent References:
| JPH0592634A | 1993-04-16 | |||
| JP2013226759A | 2013-11-07 | |||
| JP2000169013A | 2000-06-20 | |||
| JP2004023387A | 2004-01-22 | |||
| JP2011037557A | 2011-02-24 | |||
| JPH1149409A | 1999-02-23 | |||
| JP2016098059A | 2016-05-30 | |||
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Foreign References:
| US9073718B2 | 2015-07-07 | |||
| US20160137448A1 | 2016-05-19 |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office