Fixture for breaking open expendable roll film cartridges

Claim 1

A FIXTURE FOR BREAKING OPEN A FRANGIBLE FILM CARTRIDGE HAVING A TAKE-UP SPOOL ROTATABLY MOUNTED THEREIN AT ONE END THEREOF, SAID SPOOL HAVING A CORE WHOSE OPPOSITE ENDS ARE ACCESSIBLE FROM THE OUTSIDE OF THE CARTRIDGE, AND COMPRISING, A STATIONARY SUPPORT INCLUDING A GUIDEWAY OPEN AT ONE END TO RECEIVE A FILM CARTRIDGE SLID THEREINTO TAKE-UP SPOOL END FIRST AND OPEN AT THE SIDE OPPOSITE THE SUPPORT SO THAT A CARTRIDGE SLID THEREINTO CAN BE PIVOTED ABOUT THE SPOOL AXIS AWAY FROM THE SUPPORT, MEANS MOVABLY MOUNTED ON SAID SUPPORT ADJACENT SAID GUIDEWAY AND RESPONSIVE TO THE INSERTION OF A CARTRIDGE INTO SAID GUIDEWAY FOR GRIPPING THE ENDS OF THE CORE OF SAID TAKE-UP SPOOL SO THAT THE FREE END OF SAID CARTRIDGE CAN BE PIVOTED ABOUT THE AXIS OF SAID SPOOL AND AWAY FROM SAID SUPPORT, AND AT LEAST ONE BREAKER POINT FIXED TO SAID SUPPORT AND EXTENDING INTO SAID GUIDEWAY TO ENGAGE AND BREAK SAID CARTRIDGE AT A POINT ADJACENT SAID TAKE-UP SPOOL DURING THE FIRST PART OF THE PIVOTAL MOVEMENT OF SAID CARTRIDGE ABOUT SAID SPOOL AXIS AND THEREAFTER HOLD THAT PART OF THE CARTRIDGE ENGAGED THEREBY WHILE THE REMAINING PART OF THE CARTRIDGE IS PIVOTED AWAY THEREFROM TO BREAK OPEN THAT PART OF THE CARTRIDGE SURROUNDING SAID SPOOL SUFFICIENTLY TO ALLOW REMOVAL OF THE CARTRIDGE FROM SAID SPOOL WHILE IT REMAINS CAPTURED BY SAID CORE GRIPPING MEANS.