Canon Kabushiki Kaisha

Itsuo Sekita

Naoto Watanabe

Mitsushige Murata

Katsuaki Hirai

Seiichiro Adachi

Yuji Morishige

When performing a punching operation for each of sheets individually conveyed to a predetermined punching position within a conveying path, each of the individually conveyed sheets is positioned at the predetermined punching position before performing the punching operation.

Sheet processing apparatus

A structure including a transporting roller for transporting sheets; and a curling roller for transporting the sheets at a location downstream from the transporting roller in a sheet-transporting direction, the driving torque of the curling roller being larger than the driving torque of the transporting roller. The transporting roller and the curling roller are constructed so that their speeds can be switched from a first transporting speed to a second transporting speed which is greater than the first transporting speed. The time required to switch the speed of the curling roller from the first transporting speed to the second transporting speed is made longer than the time required to switch the speed of the transporting roller from the first transporting speed to the second transporting speed.

Growing community of inventors

Ibaraki, Japan

Itsuo Sekita