Optical apparatus for exposure and/or image reproduction of micr

Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper

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Details

353 27A, 353 27R, 353103, G03B 2758

Patent

active

045575959

ABSTRACT:
The apparatus can be an apparatus for exposure and/or image reproduction of microfiche sheet film. It comprises a cassette (24) arranged releasably in a holding arrangement (54, 56) and containing a plurality of microfiche film sheets in separate guides, an optical arrangement (14) and a transporting arrangement (16, 62, 64) for transporting individual microfiche film sheets between the cassette (24) and the optical arrangement. To protect the microfiche film sheets from dust and possibly light, it is proposed that the cassette (24) is insertable in the closed state into the holding arrangement (54, 56), and the removal opening of the guide of the microfiche film sheet to be transported to the optical arrangement (14), and an engagement zone at said sheet for the transporting arrangement (16, 62, 64), are adapted to be laid open by an opening mechanism. The cassette (24) is so constructed that the cassette is opened by the same movement with which the positioning of the guides receiving the microfiche film sheets in relation to the transporting plane is effected.

REFERENCES:
patent: 2982177 (1961-05-01), Briskin et al.
patent: 3754817 (1973-08-01), Iida et al.
patent: 3997257 (1976-12-01), Wells
patent: 4049342 (1977-09-01), Hearon
patent: 4184764 (1980-01-01), Bailey et al.

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