Enlargement frame for photographic paper - comprises base plate as paper locator, pivotable mask frame with runners displaceable on at least one frame for mask strips determining paper format

摘要

The paper stop and retainer (6) is arranged next to the location (14) for the frame on a one-part bearing plate set on the rear edge of the base plate (1). The mask frame (3) comprises four frames connected at the corners by angle pieces (8), which are cut to lengths from a U-shaped cross-section extrusion press profile of light metal. The angle pieces consist of plastics parts reinforced by metal inlays, the arms of which are pressed into the open ends of the frame profile and screwed there. USE/ADVANTAGE - A photographic paper enlargement frame which has greater stability with regard to size and wt. of the pivotable mask frame.