Electrophotography – Image formation – Development
Reexamination Certificate
2007-04-10
2007-04-10
Brase, Sandra I. (Department: 2852)
Electrophotography
Image formation
Development
Reexamination Certificate
active
10942974
ABSTRACT:
The present invention provides a development roller disposed in proximity of a photosensitive body which is charged by a charging member and on which an electrostatic latent image is formed, the development roller performing development by transferring toner to the photosensitive body. The development roller includes a toner layer formation area where a toner layer is formed on a surface of a development roller main body portion and a small diameter portion which has a diameter smaller than that of the toner layer formation area and which is located in at least a part of an area where the toner layer is not formed on the surface of the development roller main body portion.
REFERENCES:
patent: 5105226 (1992-04-01), Sugihara
patent: 5617191 (1997-04-01), Murakami et al.
patent: 5970294 (1999-10-01), Narita et al.
patent: 6070037 (2000-05-01), Sugihara et al.
patent: 05-011582 (1993-01-01), None
patent: 1999-015301 (1999-03-01), None
Akaike Akitoshi
Ando Masahiro
Kayahara Yasufumi
Saiki Atsuna
Suzuki Toshiaki
Brase Sandra I.
Fuji 'Xerox Co., Ltd.
Sughrue & Mion, PLLC
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