Ricoh Company, Ltd.

Yohichi Itoh

Hiroshi Yasuda

Shinji Imoto

Hideomi Sakuma

Akira Ishii

Hideo Aoki

Kiyoshi Tsukamura

Tsuneo Maki

Tomiyoshi Misumi

Hiroshi c/oRICOH Elemex Corp Yasuda

Akira c/o Ricoh Elemex Corp Ishii

An image-forming apparatus includes an endless conveyor belt, a counter roller, and a clutch part. The endless conveyor belt is rotatable to convey paper with a surface of the conveyor belt being charged. The counter roller holds the paper between the conveyor belt and the counter roller and conveys the paper. The clutch part is caused to slip by the difference in velocity between the conveyor belt and the counter roller. The counter roller is driven through the clutch part.

Stably operable image-forming apparatus with improved paper conveying and ejecting mechanism

In an intermediate transfer part (), a beadis formed on an inner side of an intermediate transfer belt (), which is rotated by an intermediate transfer belt drive roller (). Driven roller bearings () support an intermediate transfer belt driven roller (). The intermediate transfer belt driven roller () is movable in a thrust direction. Ends of the intermediate transfer belt driven roller () and the intermediate transfer belt driven roller () interfere with a bead () so as to restrict a deflection of the intermediate transfer belt in the thrust direction. The intermediate transfer belt driven roller () is movable in the thrust direction against a deflection of the intermediate transfer belt ().

Belt conveyance apparatus and image forming apparatus using such a belt conveyance apparatus

An inkjet recording device is disclosed that is capable of precisely defining the gap between a conveyance belt and a recording head and maintaining good flatness of the conveyance belt and a recording medium being conveyed. A guide unit is arranged to push a portion of the conveyance belt from the inner side to approach the recording unit. The guide unit has a number of projecting ribs formed on the surface of the guide unit in contact with the conveyance belt and arranged to be perpendicular to the rolling direction of the conveyance belt.

Inkjet recording device

Growing community of inventors

Kanagawa, Japan

Yohichi Itoh