Mobile combination tool chest and workbench

Claim 1

A PORTABLE COMBINATION TOOL CHEST AND WORK BENCH, INCLUDING: TWO LATERALLY SPACED SIDE WALLS HAVING TRANSVERSELY ALIGNED, ELONGATE OPENINGS FORMED IN THE LOWER PORTIONS THEREOF, SAID SIDE WALLS EACH HAVING A STRAIGHT UPPER EDGE, A REAR EDGE, A LOWER EDGE SHORTER THAN SAID UPPER EDGE AND PARALLEL THERETO, A FORWARD EDGE SHORTER THAN SAID REAR EDGE AND PARALLEL THERETO, AND AN UPWARDLY AND FORWARDLY INCLINED EDGE THAT EXTENDS UPWARDLY FROM THE FORWARD END OF SAID LOWER EDGE TO EFFECT A JUNCTION WITH THE LOWER END OF SAID FORWARD EDGE; REAR AND FORWARD END PIECES THAT EXTEND TRANSVERSELY BETWEEN SAID SIDE WALLS; A FIRST RIGID SHEET PARALLEL TO SAID UPPER EDGES AND DISPOSED WITHIN THE CONFINES OF SAID SIDE WALLS AND END PIECES AND AFFIXED TO THE INTERIOR SURFACES THEREOF ABOVE SAID OPENINGS, WHICH FIRST SHEET, END PIECES AND SIDE WALLS COOPERATIVELY DEFINE A TOOL CHEST; A SECOND RIGID SHEET PARALLEL TO SAID FIRST SHEET AND SPACED BELOW SAID OPENINGS, SAID SECOND SHEET BEING SITUATED WITHIN THE CONFINES OF SAID SIDE WALLS AND REAR END PIECE AFFIXED TO THE INTERIOR SURFACES THEREOF, WHICH SECOND SHEET SERVES AS A TEMPORARY SUPPORT FOR TOOLS WHEN NOT IN SAID CHEST; A RIGID RECTANGULAR COVER WHICH IS LONGER THAN SAID SIDE WALLS AND SUFFICIENTLY WIDE TO EXTEND BETWEEN THE EXTERIOR SURFACES OF SAID SIDE WALLS WHEN RESTING ON SAID UPPER EDGES THEREOF AND THE UPPER EDGES OF SAID REAR AND FORWARD END PIECES, SAID COVER HAVING END PORTIONS THAT OVERHANG SAID REAR AND FORWARD END PIECES; HINGE MEANS PIVOTALLY CONNECTING ONE LONGITUDINAL EDGE OF SAID COVER TO ONE OF SAID SIDE WALLS TO PERMIT SAID COVER TO BE PIVOTED INTO A POSITION WHERE