Title:
シート処理装置、及びそれを備えた画像形成装置
Document Type and Number:
Japanese Patent JP4590285
Kind Code:
B2
Abstract:
The invention comprises registration roller pairs which detect a skew amount of a sheet being conveyed; registration roller pairs which perform skew correction of the sheet while the sheet is being conveyed; a punch unit which performs punching of the sheet; a punch-unit driving portion which drives the punch unit; a sheet-edge detecting sensor which performs detection of a sheet edge in a direction intersecting with a sheet conveyance direction; a punch-unit moving device which moves the punch unit in the direction intersecting with the sheet conveyance direction; a sheet detecting sensor which performs detection of a sheet position in the sheet conveyance direction; and a controller portion which performs control such that after skew of the sheet is corrected by the registration roller pairs in accordance with detection results of skew amount sensors, and punching is performed on the sheet by the punch-unit moving device and the punch driving portion in accordance with a detection result of the sheet detecting sensor.
Inventors:
Tsuyoshi Moriyama
Takako Hanada
Masanori Taira
Akinori Nishikata
Hiroaki Tomiyasu
Takako Hanada
Masanori Taira
Akinori Nishikata
Hiroaki Tomiyasu
Application Number:
JP2005065415A
Publication Date:
December 01, 2010
Filing Date:
March 09, 2005
Export Citation:
Assignee:
Canon Inc
International Classes:
B65H9/00; B26D7/26; G03G15/00; B65H9/10; B65H33/04; B65H37/04; B65H43/04; B26D5/00; B26F1/02
Domestic Patent References:
| JP11020993A | ||||
| JP4305000A | ||||
| JP2002200594A | ||||
| JP2001097638A | ||||
| JP2000211802A |
Attorney, Agent or Firm:
Kazunobu Sera
Yoshiyuki Kawaguchi
Mayuko Wakuda
Yoshiyuki Kawaguchi
Mayuko Wakuda