Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1976-04-28
1977-11-22
Griffin, Donald A.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
G03G 1500
Patent
active
040593533
ABSTRACT:
A photoreceptor belt system in which the belt is drawn by vacuum against a flat surface as the belt moves around a closed path has an improved platen cloth or mesh extending over the surface for preventing the belt from contacting the surface, the open area of the mesh being between 20% and 80% of the total area of the mesh. Nylon netting having an open area equal to approximately 40% of its total area has been found to be particularly satisfactory.
REFERENCES:
patent: 3339469 (1967-09-01), McFarlane
patent: 3451754 (1969-06-01), Prew
patent: 3653755 (1972-04-01), Serfahs et al.
patent: 3694068 (1972-09-01), Jordan
Griffin Donald A.
Reichert Earl T.
Xerox Corporation
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