Transfer belt unit and image forming apparatus using the same

A transfer belt unit and image forming apparatus that achieves the reduction in size and cost of a transfer belt unit and can prevent fluctuation of the cleaning performance. The unit has a transfer belt, a plurality of rollers around which the transfer belt 14 is laid with certain tension, wherein...

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Bibliographic Details
Main Authors NOMURA YUJIRO, ARUGA TOMOE, ABE NOBUMASA
Format Patent
LanguageEnglish
Published 24.03.2005
Edition7
Subjects
CINEMATOGRAPHY
CONVEYING
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HANDLING THIN OR FILAMENTARY MATERIAL
HOLOGRAPHY
MAGNETOGRAPHY
PACKING
PERFORMING OPERATIONS
PHOTOGRAPHY
PHYSICS
PNEUMATIC TUBE CONVEYORS
SHOP CONVEYOR SYSTEMS
STORING
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
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Summary:A transfer belt unit and image forming apparatus that achieves the reduction in size and cost of a transfer belt unit and can prevent fluctuation of the cleaning performance. The unit has a transfer belt, a plurality of rollers around which the transfer belt 14 is laid with certain tension, wherein at least one of the rollers is a tension roller 13 for tensioning to the transfer belt; frames supporting the plurality of rollers; tensioning mechanisms which are disposed on the side faces of the frames to bias the tension roller in a belt tensioning direction; a cleaning means being in contact with the transfer belt at a position opposing the tension roller; rotation preventing members which prevent the rotational torque from being transmitted to the cleaning means; and position restricting members which restrict the relative position between the cleaning means and the tension roller.
Bibliography:Application Number: US20040980297