Cropping kit

Details Cropping kit Cropping kit

1982-09-02

1984-06-19

Hix, L. T.

Photocopying

Projection printing and copying cameras

Detailed holder for original

355125, G03B 2762

Patent

active

044550820

ABSTRACT:
Apparatus for cropping and marking the mount of mounted transparencies, the apparatus including a supporting base having a rectangularly-shaped aperture forming a pathway extending from top and bottom through the base, a set of opposite sides having a slideway extending therethrough communicating with the rectangular aperture, a further set of opposite sides having a further slideway extending therethrough communicating with the rectangular aperture, an elongated masking member with a plurality of variously sized openings spaced along its length and being adapted to be received in sliding engagement within the slideway, a transparency holder having at least one transparency holding aperture and adapted to be received in sliding engagement within the further slideway. The apparatus provides use of an adjusting or slidable masking member that eliminates extraneous images from interferring with the selection process and what comes through the cutout is the selected portion thereof. A magnifying glass attachment placed over the rectangular aperture and a removable light source attached to the underside of the rectangular aperture are used with especially dense or low contrast transparencies.

REFERENCES:
patent: 708770 (1902-09-01), Johnson
patent: 1072215 (1913-09-01), Druhe
patent: 2720045 (1955-10-01), Miller
patent: 3194114 (1965-07-01), Weinberg

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