Merchandise cart having ground engageable anti-theft means

Claim 1

A CART FOR TRANSPORTING MERCHANDISE COMPRISING IN COMBINATION: (A) A RIGID FRAME HAVING TWO TUBULAR LOWER SIDE PORTIONS EXTENDING THROUGHOUT THE LENGTH OF THE CART INCLUDING A FRONT END AND A REAR END, THE TWO LOWER SIDE PORTIONS OF THE FRAME HAVING THEIR PORTIONS ADJACENT THE FRONT AND THE REAR ENDS IN A SUBSTANTIALLY HORIZONTAL PLANE AND AN INTERMEDIATE PORTION LYING BETWEEN THE SAID FRONT AND REAR ENDS AND CONNECTED THERETO, THE INTERMEDIATE PORTION HAVING A SECTION RUNNING IN A HORIZONTAL PLANE BELOW AND PARALLEL WITH THE HORIZONTAL PLANE EXTEDING THROUGH THE FRONT AND REAR END PORTIONS OF THE TUBULAR FRAME; (B) THE TWO LOWER TUBULAR SIDE PORTIONS OF THE FRAME HAVING PORTIONS EXTENDING UPWARDLY FROM THE REAR ENDS THEREOF FOR A PREDETERMINED DISTANCE; (C) A BASEKT SUPPORTED ON THE UPWARDLY EXTENDED SIDE PORTIONS, SAID BASKET EXTENDING OVER AND ABOVE THE LOWER HORIZONTAL PORTIONS OF THE FRAME; (D) A FIXED WHEEL SUPPORTING MEANS PERMANENTLY AND RIGIDLY FIXED TO THE REAR END OF EACH OF THE HORIZONTAL LOWER TUBULAR SIDE PORTIONS FOR RECEIVING AND SUPPORTING A ROTATABLE WHEEL AND A COMBINATION CASTER AND WHEEL SUPPORT ADJACENT THE FRONT END OF THE HORIZONTAL FRAME, SAID WHEELS ADAPTED TO MOVABLY SUPPORT THE CART UPON A SUPPORTING SURFACE, THE WHEELS SUPPORTING THE CART IN A POSITION WHEREBY THE LOWER INTERMEDIATE PORTION OF THE FRAME IS IN CLOSE PROXIMITY TO THE SUPPORTING SURFACE FOR THE CART, FOR ENGAGING IRREGULARITIES IN THE SUPPORTING SURFACE BEYOND A PREDETERMINED HEIGHT AS THE CART IS MOVED OVER THE SUPPORTING SURFACE.