Apparatus for transferring electrophotographic images

Details Apparatus for transferring electrophotographic images Apparatus for transferring electrophotographic images

1983-05-25

1985-05-07

Moses, Richard L.

Photocopying

Including fiber optics

355 16, 355 3R, G03G 1500

Patent

active

045154619

ABSTRACT:
Electrophotographic image transfer apparatus wherein a toner image on an image-donating element, e.g., previously uniformly charged and image-wise exposed photoconductor sheet, is transferred to a receptor element. Exact parallelism between both elements during such passage through a toner transfer zone is obtained by fitting one element onto a rotatable cylindrical member, fitting the other element to a flat holder that is carried tangentially of the cylindrical member, mounting the flat holder for balancing about a pivot axis which runs parallel with the direction of holder movement, providing two laterally spaced spacing strips to control the gap between the two elements, and biasing the flat holder towards the cylindrical supporting member with the spacer strips therebetween.
The apparatus is principally intended for producing large-size lithographic aluminum printing plates.

REFERENCES:
patent: 4402592 (1983-09-01), Schon et al.

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