Electrophotography – Image formation – Transfer
Reexamination Certificate
2005-09-20
2005-09-20
Chen, Sophia S. (Department: 2852)
Electrophotography
Image formation
Transfer
C399S297000, C492S027000
Reexamination Certificate
active
06947696
ABSTRACT:
An image forming apparatus includes a transfer roller pressed against an image carrier for transferring an image from the image carrier to a recording medium being conveyed via a nip between the transfer roller and the image carrier. The transfer roller is positioned in an angular range of less than ±90° from the top of said image carrier in the direction of rotation of the image carrier. In addition, the transfer roller has a greater diameter at its opposite end portions than at its center portion in the axial direction thereof.
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Hayakawa Tadashi
Yanagida Masato
Chen Sophia S.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
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