Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1976-03-04
1978-03-07
Moses, Richard L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
226119, G03G 1500
Patent
active
040777138
ABSTRACT:
In copying apparatus utilizing an endless belt to hold electrostatic or powder images and carry them through a station for transfer to a receiving surface, the belt is arranged for movement through a path containing turns where it is engaged by rollers, with some of these rollers contacting its image bearing side, and each roller so contacting the belt is constituted by freely rotatable narrow roller members which contact it only in narrow margins along its opposite edges, so outside the surface regions that usually carry the images. A considerable length of the belt can be held in a close undulating path, as in a compact magazine, by a series of rollers arranged in parallel rows with each roller in one of these rows constituted by such narrow roller members engaging the image bearing side of the belt.
REFERENCES:
patent: B481048 (1976-03-01), Toto et al.
patent: 2226187 (1940-12-01), Van Derhoef et al.
patent: 3737088 (1973-06-01), Barta et al.
patent: 3942190 (1976-03-01), Detwiler
patent: 3944354 (1976-03-01), Benwood et al.
Johnston Albert C.
Moses Richard L.
Oce'-van der Grinten N.V.
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