Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper
Patent
1987-04-23
1988-05-17
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Detailed holder for photosensitive paper
G03B 2758
Patent
active
047454440
ABSTRACT:
An improved arrangement is proposed for loading a paper mask on a photographic printer under a printing paper without fear of hitting the edge of printing paper and damaging it. One edge of the paper mask hits a part of the rocking body, pivoting it. This springs up the working plate and the push plate into their operative position. The front end of the push plate pushes up one edge of the printing paper. This facilitates the insertion of a paper mask under the printing paper. When an opening formed in the paper mask comes over the rocking body, the working plate and the push plate return to their inoperative position under gravity.
REFERENCES:
patent: 3470644 (1969-10-01), Craig
patent: 3689149 (1972-09-01), Livingood
patent: 4234251 (1980-11-01), Nishida et al.
patent: 4240744 (1980-12-01), Rapp et al.
patent: 4701046 (1987-10-01), Shiga
Hayes Monroe H.
Noritsu Kenkyu Center Co. Ltd.
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