Title:
SHEET PUNCHING DEVICE, SHEET PROCESSING DEVICE HAVING THE SAME, AND IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JP2015208826
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a sheet punching device that can reliably extrude a punch hole from the interior of a punching member and hardly impairs the quality of the punching shape since an operation to punch a sheet and an operation to extrude a punch chip are performed independently.SOLUTION: A sheet punching device includes: a placement table 53 on which a sheet is placed; a hollow punching member 60 for punching the sheet placed on the placement table 53; a punching moving member 66 for moving the punching member between a punching position where the punching member punches the sheet and a retreat position where the punching member is retreated from the punching position; a punching driving part 70 for driving the punching moving member 66, a chip extruding member 80 disposed in the hollow interior of the punching member for extruding punching chips remaining in the hollow interior; an extruding moving member 85 for moving the chip extruding member 80 between an extruding position where it is extruded from the hollow interior of the punching member and a housing position where it is housed in the hollow interior; and an extruding driving part 70 for driving the extruding moving member.
Inventors:
KUBOTA ICHITARO
FUKAZAWA EIJI
OSADA HISASHI
NAKANO TAKAHIRO
KOBAYASHI TAKUMA
FUKAZAWA EIJI
OSADA HISASHI
NAKANO TAKAHIRO
KOBAYASHI TAKUMA
Application Number:
JP2014093238A
Publication Date:
November 24, 2015
Filing Date:
April 29, 2014
Export Citation:
Assignee:
NISCA CORP
International Classes:
B26D7/18; B26F1/14; B42B5/00; B65H37/04
Domestic Patent References:
| JPH0476399U | 1992-07-03 | |||
| JP2005212991A | 2005-08-11 | |||
| JPH0476399U | 1992-07-03 | |||
| JP2005212991A | 2005-08-11 | |||
| JP2011084047A | 2011-04-28 | |||
| JP2013099850A | 2013-05-23 | |||
| JP2011084047A | 2011-04-28 | |||
| JP2013099850A | 2013-05-23 |
Foreign References:
| US4160396A | 1979-07-10 | |||
| US4160396A | 1979-07-10 | |||
| US4391171A | 1983-07-05 | |||
| US4391171A | 1983-07-05 |