Base enclosure for trailers

Claim 1

FOR USE WITH A TRAILER BODY, AN ENCLOSURE DEPENDING FROM THE BOTTOM OF THE TRAILER BODY COMPRISING ELONGATED BRACKET STRIPS ADAPTED TO BE SECURED ABOUT THE PERIPHERY OF THE TRAILER BOTTOM, SAID STRIPS INCLUDING A VERTICAL LEG TERMINATING IN A REVERSELY BENT FLANGE, A PLURALITY OF INTERLOCKED PANELS DEFINING A PLURALITY OF WALL STRUCTURES, EACH ONE OF WHICH HAS A REVERSELY BENT FLANGE ALONG ONE EDGE THEREOF RECEIVED IN INTERLOCKING ENGAGEMENT WITH THE REVERSELY BENT FLANGE ON ONE OF THE BRACKET STRIPS, MEANS FOR ANCHORING SAID INTERLOCK PANELS TO THE GROUND SURFACE ON WHICH THE TRAILER BODY IS DISPOSED, EACH OF SAID PANELS BEING SUBSTANTIALLY RECTANGULAR AND INCLUDING A REVERSELY BENT FLANGE JOINED TO EACH EDGE THEREOF, OPPOSITE FLANGES OPENING ALONG RESPECTIVELY OPPOSITE FACES OF SAID PANELS, ADJACENT FLANGES ON ADJACENT PANELS BEING INTERLOCKED TO DEFINE SAID WALL STRUCTURES AND THE UPPERMOST PANELS IN SAID WALL STRUCTURES EACH HAVING A REVERSELY BENT FLANGE INTERLOCKED WITH THE REVERSELY FLANGE ON SAID BRACKET STRIPS, SAID ANCHORING MEANS INCLUDING A SPIKE FORMED OF SHEET MATERIAL HAVING A PORTION OF Z-SHAPED CONFIGURATION AT ONE END THEREOF, THE LOWERMOST REVERSELY BENT FLANGES ON SOME OF THE LOWERMOST PANELS OF SAID WALL STRUCTURES RECEIVING A FLANGE OF SAID Z-SHAPED PORTION OF ONE OF SAID SPIKES IN INTERLOCKING ENGAGEMENT, THE END OF SAID SPIKE REMOTE FROM SAID Z-SHAPED PORTION BEING DRIVEN INTO SAID GROUND SURFACE.