Blade-connecting means

Claim 1

IN AN ELECTRIC KNIFE DEVICE IN WHICH A PAIR OF ADJACENT KNIFE BLADES ARE RECIPROCATED IN OPPOSITE DIRECTIONS BY A DRIVING MECHANISM IN THE KNIFE HANDLE STRUCTURE OF THE DEVICE, THE IMPROVEMENT OF A PAIR OF BLADE-ENGAGING ELEMENTS MOUNTED IN SAID HANDLE STRUCTURE ALONGSIDE EACH OTHER FOR RECIPROCAL MOVEMENT IN OPPOSITE DIRECTIONS BY SAID DRIVING MECHANISM, EACH OF SAID ELEMENTS HAVING A SOCKET IN WHICH THE REAR END PORTION OF A RESPECTIVE KNIFE BLADE MAY BE INSERTED UPON LONGITUDINAL MOVEMENT OF A SAID BLADE REARWARDLY TOWARD SAID HANDLE STRUCTURE, EACH OF SAID ELEMENTS HAVING A PIN ADAPTED TO EXTEND INTO LOCKING POSITION ACROSS THE SOCKET THEREOF ATHWART THE PATH OF THE REAR END PORTION OF KNIFE BLADE BEING INSERTED INTO SAID SOCKET, EACH SAID PIN BEING RESILIENTLY BIASED TOWARD SAID LOCKING POSITION ATHWART SAID PATH AND BEING MOVABLE AGAINST SAID RESILIENT BIAS AWAY FROM SAID LOCKING POSITION SO AS TO CLEAR SAID REAR END PORTION OF THE SAID KNIFE BLADE, A PAIR OF SWINGABLE ARM MEMBERS EACH CARRIED BY A SAID ELEMENT TO RECIPROCATE THEREWITH AND TO SWING RELATIVE TO THE LONGITUDINAL AXIS THEREOF, EACH ARM MEMBER CARRYING A SAID PIN TO MOVE THE PIN UPON SWINGING OF THE RESPECTIVE ARM MEMBER, EACH ARM MEMBER HAVING AN ABUTTING PORTION EXTENDING THEREALONG, SAID REAR END PORTION OF EACH KNIFE BLADE HAVING AN INCLINED EDGE PROVIDING A CAMMING SURFACE ENGAGEABLE BY SAID PIN FOR CAMMINGLY MOVING SAID PIN AGAINST SAID RESILIENT BIAS AWAY FROM SAID LOCKING POSITION UPON THE INSERTION OF A KNIFE BLADE REAR END PORTION INTO A SAID SOCKET, SAID KNIFE BLADE REAR