Photocopying – Projection printing and copying cameras – Detailed holder for photosensitive paper
Patent
1976-09-17
1978-06-20
Wintercorn, Richard A.
Photocopying
Projection printing and copying cameras
Detailed holder for photosensitive paper
355 54, G03B 2758
Patent
active
040958922
ABSTRACT:
A photographic developing apparatus comprising a rectangular easel with upper and lower edges, opposed first and second side edges and opposed top and bottom surfaces, the easel including sidewalls that form the top surface into a paper support surface capable of supporting a sheet of photographic print paper, a plurality of covers arranged in first and second parallel columns in a covering relationship on the paper support surface and hinged to the sidewalls such that the covers are capable of being selectively opened and closed and a plurality of lateral grooves formed in the bottom surface, and an easel support including a planar surface having a central area corresponding to a predetermined location, four rectangular elements each including an inner locating surface so as to provide opposed first and second side surfaces and opposed upper and lower surfaces, the side surfaces and the upper and lower surfaces having a dimension such that when the easel is positioned on the planar surface with its lower edge and its first side edge abutting the lower and the first surfaces, respectively, the upper cover in the second column is in the predetermined location, and a ridge extending laterally between the side surfaces and serving to engage a groove so as to retain the easel in a plurality of fixed locations, each corresponding to a location wherein a cover is disposed in the predetermined location. When one of the side edges abuts the corresponding side surface and the ridge engages a groove each cover is capable of being located in the predetermined location.
REFERENCES:
patent: 3289531 (1966-12-01), Streit
patent: 3728021 (1973-04-01), Retzyl et al.
patent: 3944364 (1976-03-01), Petrini et al.
LandOfFree
Photographic developing apparatus employing an easel selectively does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Photographic developing apparatus employing an easel selectively, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photographic developing apparatus employing an easel selectively will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1131735