Supermarket cart

Claim 1

IN A CART FOR TRANSPORTING ARTICLES OF THE TYPE HAVING A WHEELED FRAME OF A SHAPE TO TELESCOPE IN A CORRESPONDINGLY SHAPED FRAME OF ANOTHER CART AND A RECEPTACLE HAVING A BOTTOM AND PIVOTALLY MOUNTED ON THE FRAME FOR ROCKING MOVEMENT FROM A FORWARDLY EXTENDING TO AN UPRIGHT POSITION BY THE ENGAGEMENT OF ITS FORWARD END WITH THE REAR OF ANOTHER CART, THE IMPROVEMENTS IN SUCH A CART COMPRISING A FRAME HAVING SPACED UPRIGHT STANCHIONS WITH FORWARDLY PROJECTING AND INWARDLY TAPERED UPPER AND LOWER SUPPORTS, OF MEANS ACTING DIRECTLY ON SAID RECEPTACLE TO APPLY A FORCE THEREON OPPOSING THE FORCE OF GRAVITY AND TENDING TO MOVE IT TO AN UPRIGHT POSITION, A GATE HINGEDLY MOUNTED ON THE FORWARD END OF SAID RECEPTACLE TO CLOSE THE END THEREOF IN ONE POSITION AND FORM AN EXTENSION OF ITS BOTTOM IN ANOTHER POSITION, A FRAME AT THE REAR OF SAID RECEPTACLE PROVIDING A COMBINED HANDLE AND GUIDE STRUCTURE AND HAVING AN ABUTMENT FOR ENGAGEMENT BY THE FORWARD END OF THE RECEPTACLE OF ANOTHER CART, SAID WHEELED FRAME HAVING A BABY SEAT MOUNTED THEREON BETWEEN THE UPRIGHT STANCHIONS AND WHICH ACTS AS A TRUSS TO REINFORCE THE FRAME, A SECOND RECEPTACLE PIVOTALLY MOUNTED ON SAID WHEELED FRAME AND HAVING A FORWARDLY PROJECTING UPWARDLY AT AN WHEELED FRAME HAVING MEANS PROJECTING UPWARDLY AT AN ANGLE TO ROCK THE SECOND RECEPTACLE OF ANOTHER CART TO UPRIGHT POSITION WHEN ENGAGED THEREWITH, AND SAID UPPER AND LOWER SUPPORTS OF THE FRAME UNDERLYING THE FIRST AND SECOND RECEPTACLES TO LIMIT THEIR DOWNWARD ROCKING MOVEMENT ON THE FRAME AND PROVIDING A SUPPORT THEREFOR.