Picture viewer

Details Picture viewer Picture viewer

1978-09-18

1980-12-30

Pitrelli, John F.

Card, picture, or sign exhibiting

Changing exhibitor

Shiftable display item or item support

40490, 40511, G09F 1130

Patent

active

042415292

ABSTRACT:
The invention relates to an apparatus for the alternate exposure of individual sheets from a pile of sheets, in particular to a photo-viewing change device, having a bearing face for the sheet edges at one side of a pile of sheets and having an access means or a shifting device for shifting an end sheet of the pile of sheets parallel to its sheet face.

REFERENCES:
patent: 535635 (1895-03-01), Stone
patent: 2867051 (1959-01-01), Taylor
patent: 3377727 (1968-04-01), Weggeland
patent: 3495345 (1970-02-01), Weggeland
patent: 3783540 (1974-01-01), Barclay
patent: 4057920 (1977-11-01), Weggeland

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