Pin mounting plate for vacuum film holders

Details Pin mounting plate for vacuum film holders Pin mounting plate for vacuum film holders

1983-07-18

1985-01-22

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

355 91, G03B 2760

Patent

active

044948670

ABSTRACT:
In a vacuum film holder, a mounting plate for situating film registration pins at locations coinciding with the vacuum channel which holds the film against the glass pane covering the center of the film holder frame. The plate bridges the vacuum channel and fits partially in a groove formed in the frame and partially in an aligned notch formed in the glass. Locator pins and cooperating diamond-shaped pins on the plate fit in holes drilled through the frame within the groove to assure proper location of the registration pin in coincidence with the vacuum channel. A special tool permits the plate to be easily removed without damaging the glass of the film holder.

REFERENCES:
patent: 3115808 (1963-12-01), Durst
patent: 3645621 (1972-02-01), Wally
patent: 3762816 (1973-10-01), Wally
patent: 3771870 (1973-11-01), Taylor

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