Platen transport and vacuum plenum for book copying

Details Platen transport and vacuum plenum for book copying Platen transport and vacuum plenum for book copying

1985-12-20

1987-09-15

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Copying both sides of original

40531, 355 76, G03B 2732, G03B 2752

Patent

active

046935940

ABSTRACT:
An arrangement for transporting a book facedown onto an and off of a copier includes a platen transport and a belt transport positioned on opposite sides of a vacuum plenum that is used to peel the bottommost page from a book to turn the same as the book is moved back and forth between the transport platen and belt member. As the book moves the vacuum plenum a by predetermined amount, it contacts a roller and is supported on the roller as it is transported onto and off of the platen by the platen transport. The roller reduces the friction between the pages of the book and the platen.

REFERENCES:
patent: 3484970 (1969-12-01), Berlinsky et al.
patent: 3550296 (1979-12-01), Castagna
patent: 3800453 (1974-04-01), Kroes
patent: 3939587 (1976-02-01), Weststrom
patent: 4102071 (1978-07-01), D'Arcy
patent: 4121361 (1978-10-01), D'Arcy
patent: 4160334 (1979-07-01), Willis

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