Canon Kabushiki Kaisha

Canon Finetech Inc.

Yasutaka Iwasa

Hitoshi Kato

Tetsuya Terada

Naoto Watanabe

Kenichi Hayashi

Yusuke Obuchi

Shunsuke Nishimura

Tomokazu Nakamura

Masayoshi Kubo

Norio Motoi

Daisuke Matsukura

Masahiro Yonenuma

A sheet processing apparatus includes: a buffer unit which stores plural supplied sheets with upstream edges in a conveying direction thereof aligned; a processing tray on which sheets discharged from the buffer unit are stacked; and an oscillation roller pair and a return roller which convey the sheet stacked on the processing tray to bring the sheet into abutment against a stopper for receiving the upstream edge of the sheet. The buffer unit is adapted to align the upstream edges of only sheets to be stored before a sheet to be supplied last among the sheets to be stored.

Sheet processing apparatus and image forming apparatus including the sheet processing apparatus

Sheet processing apparatus for storing supplied sheets while preceding sheet are processed

A sheet treating apparatus including, a conveying device for conveying sheets, a sheet stack tray for stacking the sheets conveyed by the conveying device, a sensor detecting the sheets conveyed to the sheet stack tray, a pressure-contact conveying device for conveying the sheets on the sheet stack tray in pressure contact with the sheets, a pressure-contact device for bringing the pressure-contact conveying device into pressure-contact with the sheets, and a controlling device for varying a time from when the sensor detects the sheets to when the pressure-contact device starts operating according to a sheet conveyance speed of the conveying device.

Sheet treating apparatus and image forming apparatus

Growing community of inventors

Kanagawa, Japan

Yasutaka Iwasa