Photocopying – Contact printing – Light boxes
Patent
1995-03-16
1996-11-19
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
361225, G03G 1502
Patent
active
055768059
ABSTRACT:
A charging member contactable to a member to be charged to electrically charge it, the improvement residing in that a microhardness of an end region, with respect to a longitudinal direction, of the charging member is larger than that in a central region of the charging member.
REFERENCES:
patent: 4360262 (1982-11-01), Genthe
patent: 4379630 (1983-04-01), Suzuki
patent: 5126913 (1992-06-01), Araya et al.
patent: 5140371 (1992-08-01), Ishihara et al.
patent: 5363176 (1994-11-01), Ishihara et al.
Ashibe Tsunenori
Ishihara Yuzi
Mizoe Kiyoshi
Canon Kabushiki Kaisha
Pendegrass Joan H.
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