Belt conveyor and image forming apparatus

Details Belt conveyor and image forming apparatus Belt conveyor and image forming apparatus

2008-07-21

2011-11-15

Gray, David (Department: 2852)

Electrophotography

Image formation

Transfer

C399S167000

Reexamination Certificate

active

08059999

ABSTRACT:
An image forming apparatus is provided with an image bearing member for bearing a toner image in conformity with specified image information, a transfer belt mounted on a plurality of rollers for transferring the toner image on the image bearing member to the outer surface thereof or a recording sheet placed on the outer surface thereof, a bending roller whose outer circumferential surface presses the outer surface of the transfer belt to bend the belt inwardly, a torque limiter having a specified cutoff torque and mounted on a rotary shaft of the bending roller, a drive motor for giving a driving force to the bending roller via the torque limiter, and a drive controller for driving the drive motor such that the circumferential speed of the bending roller is faster than the rotating speed of the transfer belt.

REFERENCES:
patent: 5963769 (1999-10-01), Emukai et al.
patent: 1161661 (2004-08-01), None
patent: 2004-45631 (2004-02-01), None

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