Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1976-08-26
1978-09-05
Pellinen, A. D.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
15 1, 1525652, 15345, 134 1, G03G 2100
Patent
active
041115465
ABSTRACT:
An electrostatographic reproducing apparatus and process include a system for ultrasonically cleaning residual material from the imaging surface. Ultrasonic vibratory energy is applied to the air space adjacent the imaging surface to excite the air molecules for dislodging the residual material from the imaging surface. Preferably pneumatic cleaning is employed simultaneously with the ultrasonic cleaning. Alternatively a conventional mechanical cleaning system is augmented by localized vibration of the imaging surface at the cleaning station which are provided from behind the imaging surface.
REFERENCES:
patent: T893001 (1971-12-01), Fisler
patent: 2858652 (1958-11-01), Luthman et al.
patent: 3190793 (1965-06-01), Starke
patent: 3552850 (1971-01-01), Royka et al.
patent: 3668008 (1972-06-01), Severynse
patent: 3713987 (1973-01-01), Low
patent: 3741157 (1973-06-01), Krause
patent: 4007982 (1977-02-01), Stange
patent: 4026701 (1977-05-01), Till et al.
J. R. Frederick, "Ultrasonic Engineering," John Wiley & Sons, Inc., 1965, pp. 28-31, 130,131.
Heany, II William A.
Pellinen A. D.
Ralabate James J.
Weinstein Paul
Xerox Corporation
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