Photocopying – Contact printing – Light boxes
Patent
1994-09-01
1996-01-16
Beatty, Robert
Photocopying
Contact printing
Light boxes
355221, 355225, G03G 2100
Patent
active
054852510
ABSTRACT:
A cleaning device for a SCOROTRON type electrostatic charger to be used in an image forming apparatus such as a copying machine wherein both discharge wire and grid wire are cleaned by reciprocating a first cleaning member which is contactable with the discharge wire of the electrostatic charger and a second cleaning member contactable with the grid wire. Also, the respective cleaning members are alternately brought into contact with the respective discharge and grid wires in the forward stroke and return stroke of the first and second cleaning members.
REFERENCES:
patent: 3842273 (1974-10-01), Van Buskirk
patent: 3875407 (1975-04-01), Hayne
patent: 4956671 (1990-09-01), Otsuka
patent: 5023748 (1991-06-01), Okamoto et al.
patent: 5170314 (1992-12-01), Saito
Fukunaga Yasuyuki
Katafuchi Toshinobu
Kita Hideki
Nakamura Akira
Beatty Robert
Mita Industrial Co. Ltd.
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