Transfer device and image forming apparatus incorporating same

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United States of America Patent

PATENT NO 11073775
APP PUB NO 20200301319A1
SERIAL NO

16815820

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Abstract

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A transfer device includes a rotatable image bearer configured to bear a toner image to be transferred to a recording medium, a first rotator, and a second rotator. The second rotator is configured to contact the first rotator via the rotatable image bearer to form a transfer nip in which the recording medium is sandwiched. The second rotator is rotatable with the image bearer. The transfer device satisfies a conditional expression (t1+R)/(t2+R)>0.98, where t1 represents a thickness of a thinnest recording medium, t2 represents a thickness of a thickest recording medium, and R represents a radius of curvature of the transfer nip.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDOHTA-KU TOKYO 143

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakura, Makoto Ibaraki, JP 31 237

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