Sheet finishing apparatus, sheet punching apparatus and...

Details Sheet finishing apparatus, sheet punching apparatus and... Sheet finishing apparatus, sheet punching apparatus and...

2011-05-31

2011-05-31

Crawford, Gene (Department: 3651)

Sheet-material associating

Associating or disassociating

Sheet associating

Reexamination Certificate

active

07950647

ABSTRACT:
A drive mechanism which drives a punching blade between a position at a side of a sheet and a standby position separate from the sheet, and a punch motor that rotates in a forward direction and a reverse direction and drives the drive mechanism are provided, a first load of the punch motor at the rotation in the forward direction and a second load of the punch motor at the rotation in the reverse direction are measured in a state where the sheet does not exist, and a drive amount of the punch motor is corrected according to the first load and the second load.

REFERENCES:
patent: 2005/0000336 (2005-01-01), Hattori et al.
patent: 2007/0227324 (2007-10-01), Baba
patent: 2008/0264226 (2008-10-01), Iguchi
patent: 2009/0062096 (2009-03-01), Sasahara
patent: 2002-239986 (2002-08-01), None
patent: 2004-345834 (2004-12-01), None
patent: 2005-075550 (2005-03-01), None
patent: 2007-45605 (2007-02-01), None
patent: 2007-190634 (2007-08-01), None
patent: 2007-190658 (2007-08-01), None
patent: 2007-191245 (2007-08-01), None

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