Electrophotography – Document handling – Copy
Reexamination Certificate
2005-11-07
2009-06-09
Colilla, Daniel J (Department: 2854)
Electrophotography
Document handling
Copy
C399S408000, C399S409000, C399S410000, C270S058080
Reexamination Certificate
active
07546081
ABSTRACT:
A paper perforating apparatus which can securely prevent a paper end portion from being caught in a punch hole, without having an assist member, such as mylar, in a paper finisher which comprises a perforating device capable of moving in a direction perpendicular to the paper conveyance direction, the paper perforating apparatus, comprising: a paper conveyance device for conveying a paper; a perforating device for perforating the paper; a paper end portion detecting device for detecting an end portion parallel to the conveyance direction of the paper; and a device for moving the perforating device in a direction perpendicular to the conveyance direction, wherein the paper perforating apparatus offsets a standby position of the perforating device, which is in the direction perpendicular to the paper conveyance direction, from a position in which holes are punched out on the paper by a predetermined distance, and the perforating device starts operation of perforation preparation from the standby position after being passed by a front end of the paper.
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Iida Jun-ichi
Kikkawa Naohiro
Matsushita Shingo
Saitoh Hiromoto
Suzuki Nobuyoshi
Colilla Daniel J
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Primo Allister
Ricoh & Company, Ltd.
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