Photographic exposure apparatus including a means for the relati

Details Photographic exposure apparatus including a means for the relati Photographic exposure apparatus including a means for the relati

1984-08-21

1990-01-30

Hayes, Monroe H.

Photocopying

Contact printing

Superimposed carriers

355 78, G03B 2702

Patent

active

048976890

ABSTRACT:
A photographic exposure apparatus comprising a support serving as a carrier for sheet material which is an original, or a photographic material, or is an original together with a photographic matrial; and a translucent positioning sheet for covering at least partially said support and which is adapted to engage a corner of said sheet material, characterized in that said translucent positioning sheet is provided with a pair of locating means spaced apart from each other so as to engage two neighbouring corners of said sheet material, whereby said sheet material may be located in a predetermined position, the said positioning sheet being attached to the said support.

REFERENCES:
patent: 2055207 (1936-09-01), Roullard
patent: 2781598 (1957-02-01), Plastaras
patent: 3353281 (1967-11-01), Schulze

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