Image forming apparatus having endless belt contact member
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United States of America Patent
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Jul 7, 2015
Grant Date -
Oct 10, 2013
app pub date -
Mar 27, 2013
filing date -
Apr 4, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes a transfer rotary member for forming a primary transfer portion between a photosensitive drum and an intermediate transfer belt. The transfer rotary member includes multiple rotary members whose diameters are different, into which the transfer rotary member is divided in a direction orthogonal to a moving direction of the intermediate transfer belt. The transfer rotary member is arranged so as to contact a surface of the intermediate transfer belt on a side opposite to a surface with which multiple photosensitive drums come into contact at the primary transfer portions, on a downstream side in the moving direction of the intermediate transfer belt with respect to a contact portion between the intermediate transfer belt and each photosensitive drum, the intermediate transfer belt being arranged so as to protrude on the photosensitive drum side.
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