Exposure device of a copying machine

Details Exposure device of a copying machine Exposure device of a copying machine

1976-05-24

1978-03-21

Wintercorn, Richard A.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355 3R, 355 14, G03B 2762

Patent

active

040800717

ABSTRACT:
An exposure device for a copying machine that has a transparent platen includes a pair of reflecting members covering the end areas of the platen. The reflectors are movable according to the size of paper placed into the copying machine so as to increase or decrease the covering areas whereby the effective coverage area of the platen is made to coincide with the size of copy paper fed into the copying machine.

REFERENCES:
patent: 3671121 (1972-06-01), Albert
patent: 3724942 (1973-04-01), Gibson et al.
patent: 3751155 (1973-08-01), Liechty
patent: 3792913 (1974-02-01), Simmons

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