Photographic film cropping device

Claim 1

A FILM CROPPING DEVICE THAT DEFINES A RETANGULAR OPENING OF VARIABLE AREA FOR USE IN ADJUSTABLY SELECTING A DESIRED PORTION OF A PHOTOGRAPH OF ANY DIMENSION FOR REPRODUCTION, WHICH DEVICE INCLUDES; (A) AN L-SHAPED SHEET OF TRANSPARENT RIGID MATERIAL HAVING A CENTRAL PORTION AND FIRST AND SECOND LEGS PROJECTING THEREFROM, SAID FIRST AND SECOND LEGS HAVING FIRST AND SECOND EDGES WHICH ARE DISPOSED ADJACENT AND IN A DIRECTION NORMAL TO ONE ANOTHER, WHICH SHEET HAS FIRST AND SECOND PARALLEL LATERALLY SPACED GROOVES FORMED THEREIN THAT AR IN COMMUNICATION WITH FIRST AND SECOND RECESSES FORMED IN SAID FIRST AND SECOND LEGS WHICH EXTEND OUTWARDLY THEREIN TO SAID FIRST AND SECOND EDGES, SAID CENTRAL PORTION AND SAID FIRST AND SECOND RECESSES COOPRATIVELY DEFINING FIRST AND SECOND STRAIGHT BODY SHOULDERS AT THE JUNCTION THEREOF THAT ARE PARALLEL TO SAID FIRST AND SECOND EDGES RESPECTIVELY, WHICH FIRST AND SECOND GROOVES HAVE UNDERCUT EDGES WITH SAID L-SHAPED SHEET BEING ADAPTED TO BE DISPOSED TO OVERLIE ALL OR A PORTION OF SAID PHOTOGRAPH WITHOUT OBSTRUCTING THE VIEW THEREOF; AND (B) A GENERALLY U-SHAPED MEMBER INCLUDING FIRST AND SECOND PARALLEL LEGS AND A WEB TGHAT CONNECTS ADJOINING ENDS THEREOF, SAID FIRST AND SECOND LEGS HAVING TAPERED SIDE EDGES WHICH SLIDABLY ENGAGE SAID UNDERCUT EDGES, WHICH WEB DEFINES THIRD AND FOURTH STRAIGHT EDGES THAT AR PARALLEL TO SAID FIRST AND SECOND EDGES RESPECTIVELY, WITH SAID THIRD AND FOURTH EDGES CONTACTING SAID FIRST AND SECOND SHOULDERS WHEN SAID MEMBER HAS BEEN MOVED INWARDLY A PREDETERMINED DISTANCE RELATIVE TO SAID SHEET TO PREVENT INADVERTENT DISPLACEMENT OF SAID MEMBER FROM SAID SHEET, SAID SHEET AND MEMBER COOPERATIVELY PROVIDING A RECTANGULAR OPENING OF VARIABLE SIZE BUT CONSTANT PROPORTION BETWEEN THE SIDES AND EDGES THEREOF THAT IS BOUNDED BY SAID FIRST, SECOND, THIRD AND FOURTH EDGES, WHICH OPENING DECREASES AND INCREASES IN CROSS SECTION AS SAID MEMBER IS MOVED TOWARDS AND AWAY FROM SAID PLATE, AND WITH THAT PORTION OF SAID PHOTOGRAPH INSIDE SAID OPENING PRESENTING THE APPEARANCE OF SAID PHOTOGRAPH AFTER THE SAME IS CROPPED.