Frictionless vacuum feeder for book copying

Details Frictionless vacuum feeder for book copying Frictionless vacuum feeder for book copying

1985-12-20

1987-06-16

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Copying both sides of original

355 82, G03B 2732

Patent

active

046732861

ABSTRACT:
An arrangement for turning pages of a facedown booklet for use with a copier. A rotating vacuum roll located between two platens peel pages from the book as the book is moved back and forth between the two platens. As the book moves over the vacuum roll, an air knife fluffs the pages and the page adjacent the vacuum roll is captured by the vacuum roll. As the book spine passes through the region between the platens, the vacuum roll reverses and with assistance from the air knife presses the captured pages against the other half of the book.

REFERENCES:
patent: 2681603 (1954-06-01), Grinten
patent: 3484970 (1969-12-01), Berlinsky et al.
patent: 3550296 (1970-12-01), Castagna
patent: 3800453 (1974-04-01), Kroes
patent: 3929587 (1976-02-01), Westrom
patent: 4102071 (1978-07-01), D'Arcy
patent: 4121361 (1978-10-01), D'Arcy
patent: 4160334 (1979-07-01), Willis

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