Electrophotography – Image formation – Development
Reexamination Certificate
2011-06-21
2011-06-21
Porta, David P (Department: 2884)
Electrophotography
Image formation
Development
C399S119000, C492S031000, C492S035000
Reexamination Certificate
active
07965965
ABSTRACT:
Provided is a development device including: a development roller in which continuous spiraling inclined grooves having different inclinations with respect to an axial direction are formed so as to cross each other; and a feed roller which is in contact with the development roller and feeds toner to the development roller, wherein transportation force, which is used for transporting the toner on the development roller from one side to the other side of the axial direction of the development roller, is generated by the rotation of the feed roller.
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Fukumoto Takatomo
Kobashi Masaru
Kurebayashi Yoshiyuki
Maeda Masahiro
Matsumoto Daisuke
Maschoff Gilmore & Israeisen
Porta David P
Schmitt Benjamin
Seiko Epson Corporation
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