Electrophotography – Image formation – Fixing
Reexamination Certificate
2008-07-29
2008-07-29
Lateef, Marvin (Department: 4146)
Electrophotography
Image formation
Fixing
C399S329000, C219S216000
Reexamination Certificate
active
07406287
ABSTRACT:
A disclosed fixing device includes: a heat roller unit having a rotatable roller having an elastic body on a surface thereof and a heating unit heating the roller; a pad disposed along a circumference of the elastic body of the heat roller; a belt member disposed on a curved surface of the pad, the belt member rotating by following a rotation of the heat roller; and a pressure member pressing the belt member to the heat roller using the pad, the fixing device causing a conveyed recording medium carrying a visualized image to pass through a space between the heat roller and the pressure member so as to fix the visualized image on the recording medium, wherein a curvature of the curved surface of the pad is changed in a central portion and end portions in an axial direction of the heat roller.
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patent: 2007/0048045 (2007-03-01), Yagi et al.
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Hiraoka Chikara
Kamoshida Chiharu
Matsumoto Hiroyoshi
Obata Shigeru
Ogiso Toshio
Hyder G. M.
Ladas & Parry LLP
Lateef Marvin
Ricoh Printing Systems Ltd.
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