Adjustable guided slicing knife

Claim 1

IN A GUIDED HAND KNIFE FOR SLICING MATERIAL INTO PREDETERMINED THICKNESSES INCLUDING A KNIFE HANDLE, A KNIFE BLADE HAVING FIRST AND SECOND FLAT SIDES AND A CUTTING EDGE RIGIDLY MOUNTED ON SAID HANDLE, AND AN ELONGATED SLICING GUIDE, THE IMPROVEMENT COMPRISING ADJUSTMENT MEANS MOUNTING SAID SLICING GUIDE ON SAID HANDLE IN PARALLEL RELATION TO SAID FLAT SIDES FOR MOVEMENT THROUGH AN ADJUSTMENT PATH FOR DETERMINING THICKNESSES OF MATERIAL TO BE SLICED, SAID ADJUSTMENT MEANS COMPRISING A MOUNTING BLOCK FORMED ON SAID SLICING GUIDE INCLUDING A HANDLECONTACTING FACE PERPENDICULAR TO SAID FLAT SIDES HAVING A TRANSVERSE SLIDING SURFACE FORMED THEREIN PERPENDICULAR TO SAID FLAT FACES, AND AN EXTENSION PROTRUDING OUTWARDLY FROM THE CENTER OF SAID HANDLE-CONTACTING FACE, SAID ADJUSTMENT MEANS FUTHER COMPRISING A MOUNTING BLOCKCONTACTING FACE FORMED AT THE FORWARD EDGE OF THE BOTTOM SIDE OF SAID KNIFE AND HAVING A MATING TRANSVERSE SLIDING SURFACE COMPLEMENTARY TO THE SLIDING SURFACE FORMED ON THE MOUNTING BLOCK, A CAVITY FORMED IN SAID HANDLE IN COMMUNICATION WITH SAID MOUNTING BLOCK-CONTACTING FACE AND SIZED TO RECEIVE SAID EXTENSION AND TO ALLOW TRANSVERSE MOVEMENT OF SAID MOUNTING BLOCK AND EXTENSION WITH SAID MATING SURFACES IN SLIDING ENGAGEMENT, A THREADED ADJUSTMENT SCREW ROTATABLY MOUNTED IN SAID HANDLE PERPENDICULAR TO SAID FLAT BLADE FACES EXTENDING THROUGH SAID CAVITY, A MATING THREADED OPENING FORMED IN SAID EXTENSION AND POSITIONED SUCH THAT SAID ADJUSTMENT SCREW, WHEN THREADED INTO SAID OPENING, MAINTAINS SAID STEPPED SHOULDERS IN INTIMATE CONTACT, AND AN ADJUSTMENT KNOB SECURED TO SAID SCREW FOR ROTATING SAME TO ADJUST THE POSITION OF SAID MOUNTING BLOCK AND SAID SLICING GUIDE WITH RESPECT TO SAID KNIFE BLADE.