Photocopying – Contact printing – Light boxes
Patent
1992-02-21
1993-08-10
Grimley, A. T.
Photocopying
Contact printing
Light boxes
361225, G03G 1502
Patent
active
052353869
ABSTRACT:
A charging device including a movable member to be charged, and a charging member which is contactable to the member to be charged so as to charge the member to be charged, wherein the coefficient of dynamic friction between the member to be charged and a surface of the charging member contactable to the member to be charged is not lower than 0.4.
REFERENCES:
patent: 4851960 (1989-07-01), Nakamura et al.
patent: 4967231 (1990-10-01), Hosoya et al.
patent: 5089851 (1992-02-01), Tanaka et al.
patent: 5112708 (1992-05-01), Okunuki et al.
patent: 5126913 (1992-06-01), Araya et al.
patent: 5140371 (1992-08-01), Ishihara et al.
patent: 5168309 (1992-12-01), Adachi et al.
Hasegawa Hiroto
Nanataki Hideo
Ohtsuka Yasumasa
Ono Kazuaki
Sasame Hiroshi
Canon Kabushiki Kaisha
Grimley A. T.
Ramirez Nestor R.
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