Cropper

Details Cropper Cropper

1994-02-04

1994-10-18

Gellner, Michael L.

Photocopying

Projection printing and copying cameras

Detailed holder for photosensitive paper

G03B 2758

Patent

active

053573137

ABSTRACT:
The cropper consists of two pieces of thin, rigid material (i.e. steel, aluminum, plastic, fiberglass, etc.). The smaller piece fits into the flanged track of the larger piece, and slides freely up and down inside the larger piece allowing for infinite variations of the framed area.

REFERENCES:
patent: 3709591 (1973-01-01), Alzmann
patent: 4190357 (1980-02-01), Kostiner
patent: 4208124 (1980-06-01), Fox
patent: 4568180 (1986-02-01), Kogane
patent: 4583837 (1986-04-01), Shiga
patent: 4609268 (1986-09-01), Crawford
patent: 4854049 (1989-08-01), Kuhtik
patent: 5045878 (1991-09-01), Taeger
patent: 5086317 (1992-02-01), Sugishima et al.
patent: 5115271 (1992-05-01), Hagopian

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