Vehicle bodies

Claim 1

IN A VEHICLE HAVING A REFUSE BODY PROVIDED WITH AN ELONGATED PACKING CHAMBER HAVING AN INNER CEILING SURFACE AND HAVING A PACKER DEVICE OPERATING LENGTHWISE OF THE CHAMBER ALONG SAID INNER CEILING SURFACE, SAID BODY HAVING AN OPENING IN THE TOP THEREOF THROUGH SAID INNER CEILING SURFACE, THE COMBINATION THEREWITH, OF A COVER FOR THE OPENING, MEANS MOUNTING THE COVER FOR MOVEMENT LENGTHWISE OF THE BODY AND EXTERNALLY THEREOF TO A POSITION OVER THE OPENING, SAID MOUNTING MEANS INCLUDING FIRST TRACKS EXTENDING ALONG OPPOSITE SIDES OF THE OPENING FROM A POINT ADJACENT THE OPENING TO A POINT FURTHER FROM THE OPENING FOR GUIDING ONE END PORTION OF THE COVER SUBSTANTIALLY TO AND AWAY FROM THE OPENING, SECOND TRACKS EXTENDING LENGTHWISE OF THE FIRST TRACKS AND EXTENDING REARWARDLY AND UPWARDLY AWAY FROM THE OPENING FOR GUIDING THE OPPOSITE END OF THE COVER SUBSTANTIALLY TO AND AWAY FROM THE OPENING, SAID TRACKS MOVING THE COVER INTO THE OPENING WHEN IN REGISTRY THEREWITH WITH THE INNER SURFACE OF THE COVER FORMING A CONTINUATION OF THE CEILING SURFACE OF THE CHAMBER FOR UNIFORM MOVEMENT OF THE PACKER DEVICE THEREALONG WHEN THE COVER IS IN PLACE.