Photocopying – Contact printing – Light boxes
Patent
1990-05-29
1991-11-12
Grimley, A. T.
Photocopying
Contact printing
Light boxes
310323, 355303, G03G 2100
Patent
active
050651943
ABSTRACT:
Apparatus for removing toner particles from a film photoconductor used in copiers, printers, and other electrostatographic devices. A piezo film is wrapped around a pliable material which is positioned around a rigid tubular member. The ends of the piezo material are clamped to the tubular member by special clamps which allow the piezo film to expand and contract radially when excited by an alternating power source. The film is positioned against the inside of the photoconductor to impart an agitating or vibrating motion which accelerates and loosens toner particles from the other side of the film. A charged roller is spaced from the photoconductor and attracts the agitated toner to the roller for deposit in a collection hopper.
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Eastman Kodak Company
Grimley A. T.
Nguti Tallam I.
Ramirez Nestor R.
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