Nesting shopping cart having user controlled brake means released by nesting action of another like cart

Claim 1

IN A SHOPPING CART HAVING AN UNDERCARRIAGE MOUNTED ON FRONT AND REAR WHEELS AND A MERCHANDISE CONTAINING RECEPTACLE SUPPORTED ON SAID CARRIAGE, SAID SHOPPING CART BEING ADAPTED FOR TELESCOPING ASSOCIATION WITH A SIMILAR CART, A SELECTIVELY OPERABLE BRAKE MEMBER ARRANGED ADJACENT A REAR WHEEL OF SAID CARRIAGE; CONTROL ARM MOUNTED ADJACENT SAID BRAKE MEMBER TO MOVE THEREAGAINST FORCING SAME TO A BRAKING POSITION AGAINST THE WHEEL; A BRAKE SET PEDAL ON SAID CONTROL ARM PROJECTING REARWARDLY OF SAID CART PERMITTING THE APPLICATION OF DOWNWARD FOOT PRESSURE TO OBTAIN BRAKE APPLICATION; AN UPWARDLY AND FORWARDLY PROJECTING BRAKE RELEASE PEDAL SECURED TO SAID ARM TO PERMIT THE EXERTION OF FOOT PRESSURE IN A DIRECTION TO OBTAIN BRAKING RELEASE; AND A STORAGE RELEASE ARM SECURED TO SAID BRAKE CONTROL ARM AND EXTENDING IN THE PATH OF MOVEMENT OF THE UNDERCARRIAGE OF AN ASSOCIATED TELESCOPING CART WHEREBY ENGAGEMENT OF SAID UNDERCARRIAGE OF SAID ASSOCIATED CART WITH SAID STORAGE RELEASE ARM MOVES SAID CONTROL ARM TO A BRAKE DEACTIVATING POSITION WHEN A PAIR OF SAID CARTS ARE TELESCOPICALLY ASSOCIATED.