Daylight enlarger

Details Daylight enlarger Daylight enlarger

1983-07-05

1985-07-16

Hix, L. T.

Photocopying

Projection printing and copying cameras

With focusing or projection screen

355 60, 355 74, 354308, G03B 1328

Patent

active

045292973

ABSTRACT:
In a daylight enlarger of the fixed focus type which comprises an enclosed image forming area having two arm-holes which allow an operator's hands to enter this area there being present a lamphouse and transparency holder placed above the image framing area but outside the enclosed area and an enlarging lens in the transparency holder there being present in the transparency holder between the transparency and the enlarging lens a movable inclined mirror which in a first position when the lamphouse is operating with a transparency in the holder reflects an erect illuminated image of the transparency away from the enlarger so that it can be viewed by the operator of the enlarger, but which in a second position is moved from beneath the transparency so allowing the illuminated image of the transparency to fall on the image framing area, there is provided means manually controllable from inside the enclosed image forming area of the enlarger to cause the inclined mirror to be moved out of the path of the light which passes through the transparency to the enlarging lens and thence to the image projection area so enabling print material present in the image forming area to be exposed.

REFERENCES:
patent: 1808274 (1931-06-01), Webster
patent: 1894004 (1933-01-01), Rose
patent: 3890043 (1975-06-01), Pramstraller
patent: 4053219 (1977-10-01), Damm et al.
patent: 4452527 (1984-06-01), Turner et al.

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