Dog cage

Claim 1

AN ANIMAL CAGE COMPRISING: A BODY ELEMENT INCLUDING FRONT, BACK, SIDE TRANSAND TOP WALLS, OF WHICH THE BACK WALL HAS A TRANSVERSE EVACUATION SLOT FOR ALIGNMENT WITH A GUTTER FORMING PART OF THE WALL OF A BUILDING IN WHICH THE CAGE IS INSTALLED; AN EXCRETA FLUSHING ELEMENT IN THE FORM OF A REARWARDLY TILTED BROAD FLATLY-PITCHED FUNNEL-LIKE DRAIN FLOOR HAVING A SUBSTANTIALLY LEVEL REAR EDGE PORTION PROJECTING THROUGH THE BACK WALL EVACUATION SLOT OF THE CAGE BODY ELEMENT AND PROVIDED WITH BOTTOM DRAINAGE SURFACES THAT SLOPE TOWARD THE LOWEST POINT OF SAID DRAIN FLOOR, WHICH POINT IS LOCATED OUTSIDE THE CAGE BODY ELEMENT AND HAS A DISCHARGE OPENING; AND A URINE COLLECTION ELEMENT INCLUDING: A DOWNSPOUT PROJECTING FROM THE DISCHARGE OPENING IN THE DRAIN FLOOR OF THE EXCRETA FLUSHING ELEMENT; A TRACK SUPPORTED WITHIN THE CAGE BODY ELEMENT BENEATH THE EXCRETA FLUSHING ELEMENT AND ARRANGED TO EXTEND FROM FRONT TO REAR IN UNDERLYING RELATION TO THE DOWNSPOUT; AND A SLIDE MOVABLE LENGTHWISE ON SAID TRACK AND HAVING SEATING MEANS FOR A URINE SAMPLE RECEIVER LOCATED AT ITS REAR END PORTION.