Photocopying – Contact printing – Light boxes
Patent
1991-01-18
1992-07-07
Grimley, A.
Photocopying
Contact printing
Light boxes
355219, 355221, G03G 2100
Patent
active
051287200
ABSTRACT:
In an electrostatographic reproduction apparatus employing at least one corona charger having an elongated shell and at least one corona wire running in the longitudinal direction within the walls of the charger shell, a device for collecting contamination products and harmful gasses from the corona charger. The collection device comprises a duct located within the shell of the charger closely adjacent to the walls thereof, the duct defining a series of ports spaced along the duct in the longitudinal direction of the charger shell. A flow of air into the duct is provided to directly collect harmful gasses produced by the corona charger and collect contamination products from the environment within the reproduction apparatus without allowing such contamination products to contact and contaminate the corona wire or shell.
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patent: 3936184 (1976-02-01), Tanaka et al.
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Harpavat et al., Xerox Disclosure Journal, vol. 1, no. 3, Mar. 1976, p. 57.
Eastman Kodak Company
Grimley A.
Kessler Lawrence P.
Royer William J.
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