Removable shear knife assemblies

Claim 1

A SHEAR KNIFE ASSEMBLY FOR USE IN A MACHINE HAVING AN ELONGATED CORNER GROOVE COMPRISING A READILY REMOVABLE ELONGATED KNIFE HOLDER HAVING A GROOVE, AT LEAST ONE KNIFE ELEMENT POSITIONED IN SAID GROOVE AND HAVING AT LEAST ONE FACE ALINED WITH A CORRESPONDING FACE OF SAID HOLDER, ADJUSTABLE MEANS SECURING SAID KNIFE ELEMENT TO SAID HOLDER ONLY, WHICH MEANS IS ADJUSTABLE RELATIVE TO SAID HOLDER TO COMPENSATE FOR SHIMMING AFTER GRINDING OF SAID ALINED FACE WHEREBY THE KNIFE FACE MAY BE ALINED WITH SAID HOLDER FACE WHILE THE HOLDER AND KNIFE ARE REMOVED FROM THE MACHINE, MEANS CARRIED BY SAID HOLDER FOR REMOVABLY SECURING SAID HOLDER IN THE GROOVE OF SAID MACHINE PART, AND ADJUSTABLE MEANS EXTENDING THROUGH SAID KNIFE ELEMENT AND HOLDER FOR ADDITIONALLY SECURING SAID HOLDER IN THE GROOVE OF SAID MACHINE PART, SAID LAST MENTIONED MEANS BEING ADJUSTABLE RELATIVE TO SAID MACHINE PART AND RELATIVE TO SAID HOLDER TO COMPENSATE FOR A CHANGE IN POSITION AFTER SAID SHIMMING WHEREBY THE HOLDER WITH THE KNIFE MAY BE INSTALLED ON THE MACHINE WITHOUT DISTURBING THE ALIGNMENT BETWEEN THE KNIFE FACE AND HOLDER WHICH HAS BEEN PREVIOUSLY MADE WHILE THE PARTS WERE REMOVED FROM THE MACHINE.