Refuse collecting vehicle

Claim 1

IN A REFUSE COLLECTING VEHICLE BODY HAVING A LOADING HOPPER WITH PARALLEL UPWARDLY EXTENDING SIDEWALLS, A RECEIVING OPENING AT THE REAR OF SAID HOPPER AND AN OPENING INTO THE BODY AT THE FRONT OF SAID HOPPER, AND HAVING A UNITARY PACKER BLADE FOR MOVING REFUSE FROM SAID HOPPER INTO SAID BODY, THE IMPROVEMENT COMPRISING, A FIRST PAIR OF GENERALLY VERTICAL GUIDE TRACKS, ONE IN EACH OF SAID SIDEWALLS, ENGAGING MEANS AT THE UPPER CORNERS OF SAID PACKER BLADE RECIPROCATABLY MOUNTED IN SAID VERTICAL GUIDE TRACKS, A SECOND PAIR OF PARALLEL, MULTISIDED, CLOSED, GUIDE TRACKS SPACED BELOW SAID FIRST PAIR OF GUIDE TRACKS, ONE IN EACH OF SAID SIDEWALLS, GUIDE MEANS ON THE ENDS OF SAID PACKER BLADE ENGAGED WITH SAID TRACKS, EACH OF SAID TRACKS HAVING AN UPPER, FIRST LEG EXTENDING GENERALLY HORIZONTALLY FOR GUIDING SAID PACKER BLADE REARWARDLY OVER REFUSE IN SAID HOPPER, A REAR, SECOND LEG EXTENDING DOWNWARDLY FROM SAID FIRST LEG FOR GUIDING SAID PACKER BLADE INTO SAID HOPPER BEHIND SUCH REFUSE, A TRACK GATE IN SAID SECOND LEG THAT IS LOCATED ABOVE THE LOWER END THEREOF AND THAT IS OPENABLE BY SAID GUIDE MEANS MOVING DOWNWARDLY, FOR PREVENTING MOVEMENT OF SAID PACKER BLADE GUIDE MEANS UPWARDLY FROM THE LOWERMOST END OF SAID SECOND LEG, A LOWER, THIRD LEG EXTENDING GENERALLY HORIZONTALLY FOR GUIDING FORWARD FROM SAID SECOND LEG SAID PACKER BLADE ACROSS THE BOTTOM OF SAID HOPPER, A FOURTH LEG EXTENDING UPWARDLY AND FORWARDLY FROM SAID THIRD LEG AT THE BEGINNING OF SAID FIRST LEG FOR GUIDING SAID PACKER BLADE DURING MOVEMENT OF SUCH REFUSE INTO SAID BODY, A TRACK SWITCH IN SAID FOURTH LEG THAT IS LOCATED BENEATH THE UPPER END THEREOF AND THAT IS OPENABLE BY SAID GUIDE MEANS MOVING UPWARDLY, FOR PREVENTING MOVEMENT OF SAID PACKER BLADE GUIDE MEANS DOWNWARDLY IN SAID FOURTH LEG FROM THE UPPER FORWARD INTERSECTION OF SAID FOURTH AND FIRST LEGS, AND POWER MEANS FOR MOVING SAID PACKER BLADE AROUND THE PATH DEFINED BY SAID TRACKS.