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US 7,623,821 B2Granted
Conveyor device, process cartridge, image forming apparatus, and method of forming image
AssigneeRicoh Company, Ltd.
InventorsTomohiro Kubota, Yoshiyuki Shimizu, Kenzo Tatsumi, Yoshihiro Kawakami, Tomofumi Yoshida, Hirobumi Ooyoshi, Koji Kato
Life of this patent
Estimating the term…
Abstract
A conveyor device includes a conveyor belt and a driving unit that applies a driving force to the conveyor belt at different portions in a width direction of the conveyor belt to drive the conveyor belt. The driving unit includes a driving shaft having a projection corresponding to each of the portions. The belt includes a recess corresponding to the projection arranged on each side of the conveyor belt in the width direction.
Claims14
A conveyor device for conveying toner of an electrophotographic imaging apparatus comprising:
- a drive shaft:
- a roller:
- and
- a belt that extends around the driving shaft and the roller supporting the belt, and comprises a plurality of partitions allowing the belt to effectively convey the toner and a plurality of recesses arranged at both sides of the belt in a width direction, wherein
- the driving shaft has only one projection corresponding to the recesses on one side of the belt in the width direction and another projection corresponding to the recesses on the other side of the belt in the width direction such that the driving shaft applies a driving force to the belt at least two different portions in a width direction of the belt to drive the belt.
2 more elements
Dependencies are inferred from the claim text.