Picture viewer

Details Picture viewer Picture viewer

1978-09-18

1980-12-16

Pitrelli, John F.

Card, picture, or sign exhibiting

Changing exhibitor

Shiftable display item or item support

40490, 40511, G09F 1130

Patent

active

042388988

ABSTRACT:
A picture viewer for displaying, progressively, all of the pictures in a pile of pictures, including a housing with a viewing window, a pile support in the housing beneath the window, leaf springs urging the support toward the window, a spring-disabling control on the housing to disable such springs, a slider to be withdrawn and returned to the housing, a rotary transporter in the housing adjacent the window engaging the top picture in the pile, a driver on the slider to revolve the rotary transporter, and a separator to hold the pile in the housing while the one picture is stripped off and moved out upon withdrawal of the slider, the one picture being pushed back into the housing and under the pile by the slider upon its return, the rotary transporter being non-revolving or spaced from the pile during slider return.

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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